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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2019-661-FA

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AKA: none

Other ID: none

Status: Completed

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Other (Other)

Principal Investigator(s): Amy East

Affiliate Investigator(s):

Information Specialist(s): Amy East

Data Type(s): Location-Elevation: Navigation, Sampling: Geology

Scientific Purpose/Goals: Evaluate sediment properties and accumulation rates in area of proposed solar array development.

Vehicle(s): Explorer G62-2733K

Start Port/Location: Blythe, CA

End Port/Location: Blythe, CA

Start Date: 2019-11-11

End Date: 2020-09-30

Equipment Used: Other, Hand-grab sample

Information to be Derived: Grain size of surface and subsurface sediment. Age of subsurface sediment by OSL dating. Measurements of wind speed, direction, rainfall from weather station deployment.

Summary of Activity and Data Gathered: Weather data and stratigraphic/sedimentologic data are written up (in press with SPN as of Jan 2021) as product IP-124276. A separate data release will also be made (not yet created) for archiving all data.

Staff: Other

Affiliate Staff:

Notes: OFA funded work (BLM).
TBD where samples will be housed.
Entries for this field activity are based on entries from Field Activity 2018-689-FA


Chuckwalla Valley, Riverside County, California

North: 33.60775712 South: 33.49101672 West: -114.94104443 East: -114.72953343


photo of on foot
on foot


Gray, H.J., and East, A.E., 2021, Luminescence, weather, and grain-size data from eastern Chuckwalla Valley, Riverside County, California: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Other --- --- ---
Hand-grab sample --- Biology

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