Sorbed-water (H2O-) corrected chemistry for ferromanganese crust samples from the western equatorial Pacific Ocean

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Metadata:

Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Kira L. Mizell
Originator: James R. Hein
Publication_Date: 20191227
Title:

Sorbed-water (H2O-) corrected chemistry for ferromanganese crust samples from the western equatorial Pacific Ocean

Geospatial_Data_Presentation_Form: comma-delimited text
Series_Information:

Series_Name: data release
Issue_Identification: DOI:10.5066/P93YOXHY

Publication_Information:

Publication_Place:

Pacific Coastal and Marine Science Center, Santa Cruz, California

Publisher: U.S. Geological Survey

Online_Linkage: https://doi.org/10.5066/P93YOXHY
Online_Linkage:

https://www.sciencebase.gov/catalog/item/5deb42f2e4b02caea0f0f3ca

Description:

Abstract:

Ferromanganese crust samples were collected via dredge during four oceanographic research cruises to the western equatorial Pacific Ocean. The location (latitude, longitude, depth) and concentrations of 27 major and trace elements in the most recent growth layers of ferromanganese crusts from 57 dredge sites are presented here, as well as select seawater chemistry at each location. These data were used in statistical analyses to determine how oceanographic conditions affect the chemical composition of ferromanganese crusts throughout the region. The changes in ferromanganese crust composition show that modern measurements of these primary oceanographic parameters, as well as paleoceanographic reconstructions, can be used to define regions of interest for FeMn crust exploration.

Purpose:

Determine if fluctuations in chemical oceanographic parameters at different geographic locations are robustly recorded by FeMn crusts.

Supplemental_Information:

Samples analyzed for this data release include samples collected both on USGS-led and on NSF-funded cruises associated with the following NSF grant numbers: 1154070, OCE-9730394, and OCE-0351437. Information on the USGS field activity can be found at: http://cmgds.marine.usgs.gov/fan_info.php?fan=1984-015-FA; information from the NSF-funded cruises can be found at: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1154070; https://www.nsf.gov/awardsearch/showAward?AWD_ID=9730394; https://www.nsf.gov/awardsearch/showAward?AWD_ID=0351437.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19840728
Ending_Date: 20191219

Currentness_Reference: ground condition at time data were collected

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: 167.633
East_Bounding_Coordinate: -170.24
North_Bounding_Coordinate: 13.904
South_Bounding_Coordinate: -14.968

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:5deb42f2e4b02caea0f0f3ca

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: geoscientificInformation
Theme_Keyword: economy

Theme:

Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: Nonliving Resources
Theme_Keyword: Assessments

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: chemical analysis
Theme_Keyword: mass spectroscopy
Theme_Keyword: geochemistry
Theme_Keyword: metallic mineral resources

Theme:

Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: sediment geochemistry
Theme_Keyword: mineral resources
Theme_Keyword: chemical analysis

Theme:

Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Hazards and Resources Program
Theme_Keyword: CMHRP
Theme_Keyword: Pacific Coastal and Marine Science Center
Theme_Keyword: PCMSC
Theme_Keyword: Global Ocean Mineral Resources

Place:

Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Pacific Ocean

Place:

Place_Keyword_Thesaurus: None
Place_Keyword: Tuvalu
Place_Keyword: Howland Island
Place_Keyword: Baker Island
Place_Keyword: Tokelau
Place_Keyword: Marshall Islands
Place_Keyword: Gilbert Islands
Place_Keyword: Samoa

Access_Constraints: None
Use_Constraints:

USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator(s) of the dataset and in products derived from these data.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

U.S. Geological Survey, Pacific Coastal and Marine Science Center

Contact_Person: PCMSC Science Data Coordinator

Contact_Address:

Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060

Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov

Browse_Graphic:

Browse_Graphic_File_Name:

https://www.sciencebase.gov/catalog/file/get/5deb42f2e4b02caea0f0f3ca?name=WestEquatPacSmt_SampleLocMap.png&allowOpen=true

Browse_Graphic_File_Description:

Map of sample locations from the western equatorial Pacific Ocean

Browse_Graphic_File_Type: PNG

Native_Data_Set_Environment: Mac OSX 10.11.6, Microsoft Excel 16.16.17 for Mac
Cross_Reference:

Citation_Information:

Originator: Kira Mizell
Originator: James R. Hein
Originator: Phoebe J. Lam
Originator: Anthony A.P. Koppers
Originator: Hubert Staudigel
Publication_Date: 2020
Title:

Geographic and oceanographic influences on ferromanganese crust composition along a Pacific Ocean meridional transect, 14N to 14S

Other_Citation_Details:

Mizell, K., Hein, J.R., Lam, P.J., Koppers, A.A.P., and Staudigel, H., 2020, Geographic and oceanographic influences on ferromanganese crust composition along a Pacific Ocean meridional transect, 14N to 14S: Geochemistry, Geophysics, Geosystems, https://doi.org/10.1029/2019GC008716.

Online_Linkage: https://doi.org/10.1029/2019GC008716

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

All geochemistry data were calibrated against certified reference materials.

Logical_Consistency_Report: No formal logical accuracy tests were conducted.
Completeness_Report:

Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

A formal accuracy assessment of the horizontal positional information in the dataset has not been conducted.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:

A formal accuracy assessment of the vertical positional information in the dataset has not been conducted.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator: Garcia, H. E.
Originator: Locarnini, R. A.
Originator: Boyer, T. P.
Originator: Antonov, J. I.
Originator: Baranova, O. K.
Originator: Zweng, M. M.
Originator: Reagan, J. R.
Originator: Johnson, D. R.
Publication_Date: 2014
Title:

World Ocean Atlas 2013, Volume 3: Dissolved Oxygen, Apparent Oxygen Utilization, and Oxygen Saturation

Geospatial_Data_Presentation_Form: database
Publication_Information:

Publication_Place: online
Publisher: NOAA

Online_Linkage: https://www.nodc.noaa.gov/OC5/WOD13/

Type_of_Source_Media: downloadable online database
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19000101
Ending_Date: 20131231

Source_Currentness_Reference: ground condition at time data were collected

Source_Citation_Abbreviation: WOA 2013 Oxygen (micromol_per_l)
Source_Contribution:

seawater dissolved oxygen concentrations in micromoles per liter at each sample latitude and longitude were exported from the WOA 2013 database using Ocean Data View (Schlitzer, R., Ocean Data View, odv.awi.de, 2018).

Source_Information:

Source_Citation:

Citation_Information:

World Ocean Atlas 2013, Volume 4: Dissolved Inorganic Nutrients (phosphate, nitrate, silicate)

Geospatial_Data_Presentation_Form: database
Publication_Information:

Publication_Place: online
Publisher: NOAA

Online_Linkage: https://www.nodc.noaa.gov/OC5/WOD13/

Type_of_Source_Media: downloadable online database
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19000101
Ending_Date: 20131231

Source_Currentness_Reference: ground condition at time data were collected

Source_Citation_Abbreviation:

WOA 2013 Phosphate (micromol_per_l) and Silicate (micromol_per_l)

Source_Contribution:

seawater dissolved phosphate and silicate concentrations in micromoles per liter at each sample latitude, approximate longitude, and depth were exported from the WOA 2013 database using Ocean Data View (Schlitzer, R., Ocean Data View, odv.awi.de, 2018).

Source_Information:

Source_Citation:

Citation_Information:

Originator: Key, R.M.
Originator: Kozyr, A.
Originator: Sabine, C. L.
Originator: Lee, K.
Originator: Wanninkhof, R.
Originator: Bullister, J.
Originator: Feely, R. A.
Originator: Millero, F. J.
Originator: Mordy, C.
Originator: Peng, T.-H.
Publication_Date: 2004
Title:

A global ocean carbon climatology: Results from Global Data Analysis Project (GLODAP)

Geospatial_Data_Presentation_Form: database
Publication_Information:

Publication_Place: online
Publisher: Global Biogeochemical Cycles

Online_Linkage: https://www.nodc.noaa.gov/ocads/oceans/glodap/GlopDV.html

Type_of_Source_Media: downloadable online database
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20170918
Ending_Date: 20170921

Source_Currentness_Reference: ground condition at time data were collected

Source_Citation_Abbreviation: GLODAP carbonate ion concentration (micromol_per_kilogram)
Source_Contribution:

dissolved carbonate ion concentrations in micromol per kilogram at each sample latitude, approximate longitude, and depth were exported from the GLODAP database using Ocean Data View (Schlitzer, R., Ocean Data View, odv.awi.de, 2018).

Source_Information:

Source_Citation:

Citation_Information:

Originator: NASA Goddard Space Flight Center
Originator: Ocean Ecology Laboratory
Originator: Ocean Biology Processing Group
Publication_Date: 2019
Title:

Moderate-resolution Imaging Spectroradiometer (MODIS) Aqua, Level 3, 4km mission composite, default chlorophyll algorithm data

Geospatial_Data_Presentation_Form: database
Publication_Information:

Publication_Place: online
Publisher: NASA

Online_Linkage: https://oceancolor.gsfc.nasa.gov/data/aqua/

Type_of_Source_Media: downloadable online database
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20190301
Ending_Date: 20190701

Source_Currentness_Reference: ground condition at time data were collected

Source_Citation_Abbreviation: NASA MODIS Aqua MODISA
Source_Contribution:

Sea surface chlorophyll-a concentrations at each sample latitude and longitude were exported from a map of monthly 4 km from the NASA MODIS Aqua MODISA database in milligrams per meter cubed.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Richard Norris, Curator
Originator: James Hawkins, Assoc Curator, Rocks
Originator: Alexandra Hangsterfer, Collections Manager
Publication_Date: 2019
Title:

Geological Collections, Scripps Institution of Oceanography, University of California, San Diego

Geospatial_Data_Presentation_Form: Sample repository
Publication_Information:

Publication_Place: online
Publisher: Scripps Institution of Oceanography

Online_Linkage: http://collections.ucsd.edu/

Type_of_Source_Media: digital dataset
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1900
Ending_Date: 2019

Source_Currentness_Reference: ground condition at time data were collected

Source_Citation_Abbreviation: Rock samples from AVON2 cruise
Source_Contribution:

Rock samples from cruise AVON2 were provided by this sample repository

Source_Information:

Source_Citation:

Citation_Information:

Originator: Joe Stoner, Principal Investigator
Originator: Anthony Koppers, Co-PI
Originator: Maziet Cheseby, Curator
Originator: Cara Fritz, Asst. Curator
Originator: Bobbi Conard, Asst. Curator
Originator: Mysti Weber, Asst. Curator
Publication_Date: 2019
Title:

Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Marine Geology Repository

Geospatial_Data_Presentation_Form: Sample repository
Publication_Information:

Publication_Place: online
Publisher: Oregon State University

Online_Linkage: http://core-repository.coas.oregonstate.edu/

Type_of_Source_Media: digital dataset
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1900
Ending_Date: 2019

Source_Currentness_Reference: ground condition at time data were collected

Source_Citation_Abbreviation: Rock samples from cruises KM0506 and RR1310
Source_Contribution:

Rock samples from cruises KM0506 and RR1310 were provided by this sample repository

Process_Step:

Process_Description:

The water content (H2O-) of each FeMn crust was determined by gravimetric analysis, and the weight percent water was then used to correct element concentrations in each sample to sorbed-water-free values using the following formula: water normalized = [raw element concentration]/[(100 – wt.% water)/100].

Process_Date: 08222019

Process_Step:

Process_Description:

Results from the all lab analyses were combined into a comma-delimited text document (WestEquatPacSmt_all_chem.csv) for this data release.

Source_Used_Citation_Abbreviation: All source contributions were used for this dataset
Process_Date: 12182019

Process_Step:

Process_Description:

Citation for accompanying journal article was completed in Cross-Reference section of metadata

Process_Date: 20200114
Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Susan A Cochran
Contact_Organization:

U.S. Geological Survey, Pacific Coastal and Marine Science Center

Contact_Address:

Address_Type: mailing and physical
Address: 2885 Mission St.
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Country: United States

Contact_Voice_Telephone: 831-460-7545
Contact_Electronic_Mail_Address: scochran@usgs.gov

Process_Step:

Process_Description:

Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed.

Process_Date: 20201019
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross

Contact_Position: Marine Geologist
Contact_Address:

Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598

Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Point
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 57

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.001
Longitude_Resolution: 0.001
Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: D_WGS_1984
Ellipsoid_Name: WGS_1984
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: WestEquatPacSmt_all_chem.csv
Entity_Type_Definition:

table containing results from analyses of ferromanganese crusts as well as compiled oceanographic data at the latitude, longitude, and/or water depth of each sample location.

Entity_Type_Definition_Source: Producer defined

Attribute:

Attribute_Label: Island_Region
Attribute_Definition:

lists the island, islands, or island nation nearby the sample location

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Marshall
Enumerated_Domain_Value_Definition: name of islands nearby where the sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Gilbert
Enumerated_Domain_Value_Definition: name of islands nearby where the sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Tuvalu
Enumerated_Domain_Value_Definition: name of island nation nearby where the sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Samoa
Enumerated_Domain_Value_Definition: name of island nation nearby where the sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: HBT
Enumerated_Domain_Value_Definition:

name of islands and island nation nearby where the sample was collected; H = Howland; B = Baker; T = Tokelau

Enumerated_Domain_Value_Definition_Source: producer defined

Attribute:

Attribute_Label: Cruise_ID
Attribute_Definition:

Lists the research cruise during which samples were collected. The Cruise ID names were decided by the research teams leading the four expeditions and can include vessel abbreviation (e.g. RR= Roger Revelle, KM= Kilo Moana, L= Lee), the region (e.g. CP= Central Pacific), the year, the expedition, and/or the project name (e.g. AVON2).

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: L9-84-CP
Enumerated_Domain_Value_Definition: research cruise on which sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: AVON2
Enumerated_Domain_Value_Definition: research cruise on which sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RR1310
Enumerated_Domain_Value_Definition: research cruise on which sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: KM0506
Enumerated_Domain_Value_Definition: research cruise on which sample was collected
Enumerated_Domain_Value_Definition_Source: producer defined

Attribute:

Attribute_Label: Sample_Dredge_ID
Attribute_Definition: The name or dredge ID for each sample
Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Unrepresentable_Domain:

The dredge and sample names were decided by the research teams leading the four expeditions and are therefore not consistent. They can include D, denoting dredge, each contain a number to denote the dredge number, and some include further hyphenated numbers and letters to denote rock numbers or subsamples.

Attribute:

Attribute_Label: Layer_Interval
Attribute_Definition:

The layer interval of the ferromanganese crust sample in millimeters

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Unrepresentable_Domain:

The layer intervals are listed as ranges from zero (surface of the crust) to any integer value that is less than or equal to 15 (depth in millimeters below the surface of the crust). Samples with mean listed for the layer interval represent the mean chemistry for the uppermost crust layers (less than or equal to 15 millimeters) from multiple individual ferromanganese crusts recovered from the listed dredge location.

Attribute:

Attribute_Label: Latitude
Attribute_Definition: Latitude
Attribute_Definition_Source: based on ship navigation systems
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -14.968
Range_Domain_Maximum: 13.904
Attribute_Units_of_Measure: decimal degrees
Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: Longitude
Attribute_Definition: Longitude
Attribute_Definition_Source: based on ship navigation systems
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -179.803
Range_Domain_Maximum: 179.875
Attribute_Units_of_Measure: decimal degrees
Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: Water_Depth
Attribute_Definition: Water depth in meters of sample collection
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1399
Range_Domain_Maximum: 4354
Attribute_Units_of_Measure: meters (m)
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Oxygen
Attribute_Definition: seawater dissolved oxygen concentration at sample location
Attribute_Definition_Source: WOA 2013 Oxygen (micromol_per_l)
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 91
Range_Domain_Maximum: 198
Attribute_Units_of_Measure: micromol per liter
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Chlorophyll-a
Attribute_Definition: seawater surface chlorophyll-a concentration at sample location
Attribute_Definition_Source: NASA MODIS Aqua MODISA
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.037
Range_Domain_Maximum: 0.182
Attribute_Units_of_Measure: milligram per cubic meter
Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: Carbonate_ion
Attribute_Definition:

seawater carbonate ion concentration at sample location; samples for which carbonate ion concentration was not reported are marked with NA.

Attribute_Definition_Source: GLODAP carbonate ion concentration (micromol_per_kilogram)
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 59
Range_Domain_Maximum: 78
Attribute_Units_of_Measure: micromol per kilogram
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Silicate
Attribute_Definition:

seawater dissolved silicate concentration at sample location; samples for which dissolved silicate concentration was not reported are marked with NA.

Attribute_Definition_Source:

WOA 2013 Phosphate (micromol_per_l) and Silicate (micromol_per_l)

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 113
Range_Domain_Maximum: 153
Attribute_Units_of_Measure: micromol per liter
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Excess_Silica
Attribute_Definition:

Excess silica at sample location. Excess silica was calculated by multiplying the Si/Al ratio for average ocean island basalt (3.37; Dasgupta, Jackson, and Lee, 2010, https://doi.org/10.1016/j.epsl.2009.11.027) by the Al concentration for each FeMn crust and then subtracting this theoretical Si concentration from the measured Si concentration for each FeMn crust.

Attribute_Definition_Source: producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -3.76
Range_Domain_Maximum: 4.88
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Phosphate
Attribute_Definition:

seawater dissolved phosphate concentration at sample location; samples for which dissolved phosphate concentration was not reported are marked with NA.

Attribute_Definition_Source:

WOA 2013 Phosphate (micromol_per_l) and Silicate (micromol_per_l)

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2.30
Range_Domain_Maximum: 2.92
Attribute_Units_of_Measure: micromol per liter
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Fe
Attribute_Definition: Iron concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 14.6
Range_Domain_Maximum: 35.6
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Mn
Attribute_Definition: Manganese concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 12.2
Range_Domain_Maximum: 33.3
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Si
Attribute_Definition: Silicon concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.88
Range_Domain_Maximum: 8.76
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Al
Attribute_Definition: Aluminum concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 2.89
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Mg
Attribute_Definition: Magnesium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.93
Range_Domain_Maximum: 1.71
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Ca
Attribute_Definition: Calcium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.52
Range_Domain_Maximum: 4.32
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Na
Attribute_Definition: Sodium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.38
Range_Domain_Maximum: 2.23
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: K
Attribute_Definition: Potassium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.29
Range_Domain_Maximum: 0.89
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Ti
Attribute_Definition: Titanium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.79
Range_Domain_Maximum: 2.22
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: P
Attribute_Definition: Phosphorous concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.30
Range_Domain_Maximum: 0.81
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: H2O-
Attribute_Definition: water content in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 15.3
Range_Domain_Maximum: 28.9
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: As
Attribute_Definition: Arsenic concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 144
Range_Domain_Maximum: 408
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Ba
Attribute_Definition: Barium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1074
Range_Domain_Maximum: 3707
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Cd
Attribute_Definition: Cadmium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2.50
Range_Domain_Maximum: 6.17
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Co
Attribute_Definition: Cobalt concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1405
Range_Domain_Maximum: 18879
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Cr
Attribute_Definition: Chromium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.75
Range_Domain_Maximum: 108
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Cu
Attribute_Definition: Copper concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 286
Range_Domain_Maximum: 3775
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Mo
Attribute_Definition: Molybdenum concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 148
Range_Domain_Maximum: 780
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Ni
Attribute_Definition: Nickel concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 734
Range_Domain_Maximum: 6520
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Pb
Attribute_Definition: Lead concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 728
Range_Domain_Maximum: 2142
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Sr
Attribute_Definition: Strontium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1230
Range_Domain_Maximum: 2258
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: V
Attribute_Definition: Vanadium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 483
Range_Domain_Maximum: 1118
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Zn
Attribute_Definition: Zinc concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 503
Range_Domain_Maximum: 841
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Y
Attribute_Definition: Yttrium concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 103
Range_Domain_Maximum: 234
Attribute_Units_of_Measure: parts per million
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: Fe/Mn
Attribute_Definition: Ratio of iron to manganese concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.5
Range_Domain_Maximum: 2.1
Attribute_Units_of_Measure: decimal fraction
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Si/Al
Attribute_Definition: Ratio of silicon to aluminum concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.1
Range_Domain_Maximum: 710
Attribute_Units_of_Measure: decimal fraction
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: K/Al
Attribute_Definition: Ratio of potassium to aluminum concentration in each sample
Attribute_Definition_Source: standard reporting value in geochemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.2
Range_Domain_Maximum: 96
Attribute_Units_of_Measure: decimal fraction
Attribute_Measurement_Resolution: 0.1

Overview_Description:

Entity_and_Attribute_Overview: The first line of the csv file is a header line.
Entity_and_Attribute_Detail_Citation: U.S. Geological Survey

Distribution_Information:

Distributor:

Contact_Information:

Contact_Person_Primary:

Contact_Person: U.S. Geological Survey - Science Base
Contact_Organization: U.S. Geological Survey

Contact_Address:

Address_Type: mailing and physical
Address: Denver Federal Center, Building 810, Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225

Contact_Voice_Telephone: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov

Resource_Description:

These data are available in .csv format contained in a single file.

Distribution_Liability:

Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: comma-delimited text
Format_Version_Number: Microsoft Excel 16.16.17 for Mac
Format_Information_Content: File contains table in .csv format
File_Decompression_Technique: No compression applied
Transfer_Size: 0.012

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

https://www.sciencebase.gov/catalog/file/get/5deb42f2e4b02caea0f0f3ca

Network_Resource_Name: https://doi.org/10.5066/P93YOXHY

Access_Instructions:

Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download the zipped file of data and metadata. The second link points to the landing page for the data release.

Fees: None.

Technical_Prerequisites:

These data can be viewed with Microsoft Excel or any text reader

Metadata_Reference_Information:

Metadata_Date: 20201019
Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

U.S. Geological Survey, Pacific Coastal and Marine Science Center

Contact_Person: PCMSC Science Data Coordinator

Contact_Address:

Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060

Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov

Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

This page is <https://cmgds.marine.usgs.gov/catalog/pcmsc/DataReleases/ScienceBase/DR_P93YOXHY/WestEquatPacSmt_all_chem_metadata.html>