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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2017-326-FA

Other ID: none

Status: Completed

Organization(s): USGS, St. Petersburg Coastal and Marine Science Center

Funding Program(s): Coral Reef Ecosystems Studies - CREST (GX.20.MN00.E3R50.00)

Principal Investigator(s): Lauren Toth

Affiliate Investigator(s):

Information Specialist(s): Billy Reynolds

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

Scientific Purpose/Goals: Collect cores and surface samples of Holocene reef framework from Pulaski shoal in Dry Tortugas National Park.

Vehicle(s): Rental Vehicle, Ford F-350 Dually - White (GSA)

Start Port/Location: Key West, FL

End Port/Location: Key West, FL

Start Date: 2017-06-05

End Date: 2017-06-30

Equipment Used: Hydraulic Coring Drill, Ashtech Z-Xtreme DGPS

Information to be Derived: Coral-reef growth rates and composition and estimates of past sea level.

Summary of Activity and Data Gathered: Cores from three locations and coresponding GPS locations/elevations.

Staff: Billy Reynolds, Anastasios Stathakopoulos, Lauren Toth, Hunter Wilcox

Affiliate Staff:

Notes: We were able to reach the Pleistocene on 2 of the 3 core holes.


Dry Tortugas National Park, FL

North: 24.78766962 South: 24.46094071 West: -83.07037354 East: -82.68444824


photo of Halimeda



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Hydraulic Coring Drill --- Geology
Ashtech Z-Xtreme DGPS --- Navigation

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