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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2020-641-FA

AKA: NA124

Other ID: none

Status: Completed

Organization(s): Scripps Institution Of Oceanography, La Jolla, Ca, Ocean Exploration Trust

Funding Program(s): Pacific EEZ Minerals (ZP00AZ9)

Principal Investigator(s): Kira Mizell

Affiliate Investigator(s): Lisa Levin (Scripps), Paul Jensen (Scripps)

Information Specialist(s): Kira Mizell

Data Type(s): Visual Identification: Submersible Observations, Visual Identification: Ground Truthing, Sampling: Geology, Imagery: Video, Imagery: Photo

Scientific Purpose/Goals: This cruise will generate baseline information for locations in the Southern California Borderland (SCB), describing community structure across poorly explored, mineral-rich ecosystems associated with phosphorites and ferromanganese crusts.

Vehicle(s): None

Start Port/Location: San Pedro, CA

End Port/Location: San Pedro, CA

Start Date: 2020-10-27

End Date: 2020-11-06

Equipment Used: submersible, Submersible observations, Ground truthing obsvervations

Information to be Derived: ground truth of mineral distribution, and the mineralogy and chemistry of mineral samples we collect.

Summary of Activity and Data Gathered: A total of 57 rocks were collected by ROV grab during 8 ROV dives with the following preliminary visual IDs: 14 phosphorite rocks, 7 ferromanganese crusts, 25 basalts, 10 sedimentary rocks, and 1 quartz rock.

Staff: Kira Mizell

Affiliate Staff:

Notes: This is a cruise funded by NOAA OER; the Chief Scientists are Dr. Lisa Levin, UCSD, Scripps and Dr. Paul Jensen, UCSD, Scripps; USGS participation is as a supporting/guest scientist.


Southern California Borderland, California, United States, Pacific Ocean

North: 34.66935855 South: 31.48489339 West: -122.34379124 East: -117.18017895


photo of Nautilus

ROV Hercules



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Submersible observations --- Submersible Observations
Ground truthing obsvervations --- Ground Truthing
submersible --- Photo

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