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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2002-017-FA

Other ID: CB02001

Status: Completed

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

Funding Program(s):

Principal Investigator(s): David Twichell

Affiliate Investigator(s): Mark Rudin, UNLV

Information Specialist(s): David Twichell

Data Type(s): Biological Field Study: Experiments, Sampling: Geology, Imagery: Photo, Imagery: Video, Location-Elevation: Navigation

Scientific Purpose/Goals: Collect vibracores and gravity cores from the western part of Lake Mead to describe the sedimentary structures and composition of post-impoundment sediment in this part of the lake.


Start Port/Location: Lake Mead Marina, NV

End Port/Location: Lake Mead Marina, NV

Start Date: 2002-05-29

End Date: 2002-06-06

Equipment Used: DGPS, Corer - slow, Alpine Vibracorer, ARGO

Information to be Derived:

Summary of Activity and Data Gathered: Vibracores: 16; gravity cores: 12.

Staff: VeeAnn Atnipp Cross, Kenneth E. Parolski

Affiliate Staff:
Keith Ludwig (USGS
St. Pete)
assist with vibracoring; Mark Rudin
UNLV - Health Physics Dept. - Co-Ch. Sci.; Brenda Buck
UNLV - Geology Dept.; Robin Howley
UNLV - Geology Dept.; Thomas Hickson
St. Thomas U. - Geology Dept.

Notes: Note that the cruise has been delayed 2 weeks because of problems with the coring barge. Original Center People field contained: Kenneth Parolski, coring mobilization and coring technician; VeeAnn Cross, GIS and data integration; Keith Ludwig (USGS, St. Pete), assist with vibracoring.
Project = Lake Mead Sediment Study, Lake Mead Sediment Study


Boulder Basin, Las Vegas Bay, Lake Mead, Nevada, Arizona, United States, North America;

North: 36.15 South: 36 West: -114.87 East: -114.5


photo of UNLV Coring Barge
UNLV Coring Barge


Twichell, D.C., and Cross, V.A., 2009, Surficial geology of the floor of Lake Mead (Arizona and Nevada) as defined by sidescan-sonar imagery, lake-floor topography, and post-impoundment sediment thickness: U.S. Geological Survey Open-File Report 2009-1150, CD-ROM, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Corer - slow --- Geology
Alpine Vibracorer --- Geology
2002-017-FA-NL-001 ( Field operations coring log: collection information for 29 cores including dates, locations, weather, procedures, etc.)
2002-017-FA-NL-002 ( Visual core description log: lithologic descriptions for cores.)
ARGO --- Photo
DGPS --- Navigation

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