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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2018-340-FA

Other ID: none

Status: Completed

Organization(s): Dry Tortugas National Park

Funding Program(s): Holocene Reef Geology (GX.20.MN00.E3R90.00)

Principal Investigator(s): Lauren Toth, Anastasios Stathakopoulos

Affiliate Investigator(s):

Information Specialist(s): Anastasios Stathakopoulos

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

Scientific Purpose/Goals: Determine the geographic extent of elkhorn coral populations in the past. Sample subfossil elkhorn corals for radiometric dating.

Vehicle(s): White Dodge Pickup - White

Start Port/Location: St. Petersburg, FL

End Port/Location: Dry Tortugas National Park, FL

Start Date: 2018-06-17

End Date: 2018-06-23

Equipment Used: Other, Camera, Digital, Hand Held, Digital Video, GPS

Information to be Derived: Hand samples from sub-fossil Acropora palmata (elkhorn coral), GPS coordinates of locations with subfossil A. palmata.

Summary of Activity and Data Gathered: Performed diver surveys to locate sub-fossil A. palmata reefs. GPS locations of identified sites were noted and 10 coral rock samples were taken using a hammer and chisel.

Staff: Lauren Toth, Anastasios Stathakopoulos

Affiliate Staff:



Dry Tortugas National Park

North: 24.70100563 South: 24.53987238 West: -83.02822628 East: -82.7138681




Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Other --- --- ---
Camera, Digital, Hand Held --- Photo
Digital Video --- Video
GPS Used a handheld GPS unit and the GPS unit aboard the NPS vessel to mark coordinates of sites/samplesNavigation

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