Tonsina geophysics

Project Details

Project ID:
1327
Nickname/Abbreviation:
Tonsina GP
Parent Project:
Geophysics Program
Status:
Complete
Description:
The Tonsina electromagnetic and magnetic airborne geophysical survey data were acquired with a DIGHEMv Electromagnetic (EM) system and a CGG D1344 cesium magnetometer with a Scintrex CS3 cesium sensor. The EM and magnetic sensors were flown at a height of 30 meters (m). In addition the survey recorded data from radar and laser altimeters, GPS navigation system, 50/60 Hz monitors and video camera. Flights were performed with an AS-350-B3 Squirrel helicopter at a mean terrain clearance of 60 m along NW-SE (345 degrees) survey flight lines with a spacing of 400 m. Tie lines were flown perpendicular to the flight lines at intervals of approximately 4,800 m. These data were produced under contract between the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (DGGS), and CGG Land (U.S.) Inc. Airborne geophysical data for the area were acquired and processed by CGG in 2014 and 2015.
Project Date(s):
2014 - 2014
Primary Contact:
Emond, Abraham M.
DGGS section:
Mineral Resources
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Project Participants:
Burns, Laurel E., Emond, Abraham M., Graham, Gina

GPR 2015-1: Emond, A.M., CGG, Burns, L.E., Graham, G.R.C., and CGG Land (US) Inc., 2015, Tonsina electromagnetic and magnetic airborne geophysical survey data compilation: Alaska Division of Geological & Geophysical Surveys Geophysical Report 2015-1, 14 p. https://doi.org/10.14509/29169

AR 2014-B: DGGS Staff, 2015, Mineral Resources FY15 project descriptions, in DGGS Staff, Alaska Division of Geological & Geophysical Surveys Annual Report 2014: Alaska Division of Geological & Geophysical Surveys Annual Report 2014-B, p. 39-51. https://doi.org/10.14509/29181