Aerial radiometric and magnetic survey: Baker National Topographic Map, Idaho and Oregon
Geo-Life, a joint venture between High Life Helicopters, Inc., Puyallup, Washington, and Geodata International, Inc., Dallas, Texas conducted an airborne gamma ray and total magnetic field survey during the period September 8--18, 1977, which covered a region of the states of Oregon and Idaho identified as the Baker National Topographic Map, NL, 11-11. The specific area was surveyed from an aircraft using large-volume radiation detectors with associated airborne electronic equipment. Each map line was flown in an east-west direction with an average length of 104 miles and each tie line was flown in a north--south direction with an average length of 69 miles. Map lines and tie lines surveyed were spaced at intervals of 3 miles and 12 miles respectively. The data for the total area were gathered during September, 1977. The area was surveyed from north to south. Map Line 1 was not surveyed because of the fallout of /sup 140/Ba//sup 140/La during heavy rains following September 18, 1977, as a result of a Chinese nuclear test. /sup 140/Ba has a half-life of 12.8 days. Approximately four half-lives are necessary to allow the /sup 140/Ba to decay to 5% of its initial concentration. The Baker NTMS report is separated into two volumes, Volume 1 giving the description of the program and results, and Volume 2 presenting the flight line profile data and statistical analysis results.
- Research Organization:
- Geodata International, Inc., Dallas, TX (USA); High Life Helicopters, Inc., Puyallup, WA (USA)
- OSTI ID:
- 6825973
- Report Number(s):
- GJBX-101(78)(Vol.1)
- Country of Publication:
- United States
- Language:
- English
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11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
AERIAL PROSPECTING
AERIAL SURVEYING
DATA
DATA COMPILATION
GAMMA SPECTROSCOPY
GEOLOGIC DEPOSITS
GEOLOGY
GEOPHYSICAL SURVEYS
IDAHO
INFORMATION
MAGNETIC SURVEYS
NORTH AMERICA
NUMERICAL DATA
OREGON
PACIFIC NORTHWEST REGION
PROSPECTING
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RADIOMETRIC SURVEYS
RESOURCES
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URANIUM DEPOSITS
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WELL LOGGING
X-RAY SPECTROSCOPY