Entity_Type:
Entity_Type_Label: EN577_[COREID]_SummarySheet.csv
Entity_Type_Definition:
Template for each of the spreadsheets in this dataset. Each attribute definition and description applies to all of the 68 comma-separated value spreadsheet files in this collection. Maximum and minimum values for each attribute represent the range of the entire dataset.
Entity_Type_Definition_Source: Producer Defined
Attribute:
Attribute_Label: Depth (cm)
Attribute_Definition:
Top of the depth interval at which the core was sampled. All physical samples in this dataset were taken at a 1 centimeter interval.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 10
Range_Domain_Maximum: 410
Attribute_Units_of_Measure: centimeters
Attribute:
Attribute_Label: % Organic Matter
Attribute_Definition:
Weight percent of organic carbon in sample, measured with loss-on-ignition analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Bulk carbon content analysis was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 5.32
Range_Domain_Maximum: 5.94
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: %CaCO3
Attribute_Definition:
Weight percent of calcium carbonate in sample, measured with loss-on-ignition analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: No Data
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3.84
Range_Domain_Maximum: 5.16
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Water Content (%)
Attribute_Definition:
Weight of water loss as a percentage of initial weight, measured using water content or moisture and density (MAD) analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Water content analysis was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 34.15
Range_Domain_Maximum: 41.62
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Wet Bulk Density (g/cm3)
Attribute_Definition:
Density of wet sample, measured using water content or moisture and density (MAD) analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition:
Moisture and density (MAD) analysis was not performed on this sample
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1.34
Range_Domain_Maximum: 1.72
Attribute_Units_of_Measure: grams per cubic centimeter
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Dry Bulk Density (g/cm3)
Attribute_Definition:
Density of dry sample, measured using water content or moisture and density (MAD) analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition:
Moisture and density (MAD) analysis was not performed on this sample
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.79
Range_Domain_Maximum: 1.13
Attribute:
Attribute_Label: Porosity (plug)
Attribute_Definition:
Fraction of total initial sample volume occupied by pore water prior to drying process, measured using water content or moisture and density (MAD) analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition:
Moisture and density (MAD) analysis was not performed on this sample
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.55
Range_Domain_Maximum: 0.64
Attribute_Units_of_Measure: percent of 1
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Porosity (Pyc)
Attribute_Definition:
Porosity of dry sample measured by pycnometer, not including salt precipitated during drying process.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Pycnometer density analysis was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: nan
Range_Domain_Maximum: nan
Attribute_Units_of_Measure: percent of 1
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Grain Density Plug (g/cm3)
Attribute_Definition:
Density of solid materials (sediment grains) in initial sample prior to drying process, not including the dissolved salt in pore water, measured using water content or moisture and density (MAD) analysis.
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: No Data
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1.75
Range_Domain_Maximum: 2.79
Attribute_Units_of_Measure: grams per cubic centimeter
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Grain Density Pyc (g/cm3)
Attribute_Definition: Grain density of dry sample measured by pycnometer
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Pycnometer density analysis was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: nan
Range_Domain_Maximum: nan
Attribute_Units_of_Measure: grams per cubic entimeter
Attribute:
Attribute_Label: Su (kPa)
Attribute_Definition:
Shear strength of sediment, measured with a vane torque gauge and converted to kPa
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: No Data
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 5.27
Range_Domain_Maximum: 22.29
Attribute_Units_of_Measure: kilopascals
Attribute_Measurement_Resolution: 0.02
Attribute:
Attribute_Label: Gravel %
Attribute_Definition:
Gravel content in percent dry weight of the sample (particles with nominal diameters greater than 2 mm; -1 Phi and larger)
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 0.04
Attribute_Units_of_Measure: weight percent
Attribute:
Attribute_Label: Sand %
Attribute_Definition:
Sand content in percent dry weight of the sample (particles with nominal diameters less than 2 mm, but greater than or equal to 0.0625 mm; 0 Phi through 4 Phi).
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 9.08
Range_Domain_Maximum: 30.53
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Silt %
Attribute_Definition:
Silt content in percent dry weight of the sample (particles with nominal diameters less than 0.0625 mm, but greater than or equal to 0.004 mm; 5 Phi through 8 Phi, inclusive).
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 39.45
Range_Domain_Maximum: 68.02
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Clay %
Attribute_Definition:
Clay content in percent dry weight of the sample (particles with nominal diameters less than 0.004 mm; 9 Phi and smaller).
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 7.22
Range_Domain_Maximum: 44.66
Attribute_Units_of_Measure: weight percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: Sediment Classification
Attribute_Definition:
Sediment description based on the classification scheme of the USGS East Coast Sediment Texture Database data dictionary
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Unrepresentable_Domain:
character string; see "Grain size analyses of sediment cores from the New England Mud Patch collected on USGS Field Activity 2016-001-FA" within the greater work for a list of sediment classifications present in the greater dataset.
Attribute:
Attribute_Label: Mean Phi
Attribute_Definition: Average value in the grain size distribution in phi units
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 4.83
Range_Domain_Maximum: 7.25
Attribute_Units_of_Measure: phi
Attribute:
Attribute_Label: St. Dev Phi
Attribute_Definition:
Standard deviation (root mean square of the deviations) of the grain size distribution in phi units (sorting).
Attribute_Definition_Source: Producer Defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: << empty cell >>
Enumerated_Domain_Value_Definition: Grain size data was not performed on this sample.
Enumerated_Domain_Value_Definition_Source: Producer defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1.68
Range_Domain_Maximum: 2.07
Attribute_Units_of_Measure: phi
Attribute_Measurement_Resolution: 0.01
Entity_and_Attribute_Overview:
This dataset is comprised of 68 CSV spreadsheet files, each pertaining to an individual core. The naming convention of the files is "[CORE ID]_SummarySheet.csv", where [CORE ID] indicates the core identification assigned in the field. Geographical data about the core collection location can be found in "Collection locations of sediment cores from the New England Mud Patch collected on USGS Field Activity 2016-001-FA" within the greater work.
Entity_and_Attribute_Detail_Citation: U. S. Geological Survey