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Gamma spectrometry measurements on outcrops and over ground in the eastern Adirondack Highlands

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-07-07T00:00:00Z
Radiometric (gamma spectrometry) measurements were made during walking surveys in the eastern Adirondack Highlands, New York using a GF Instruments Gamma Surveyor. The surveys involved recording measurement averages over 30-second intervals while holding the instrument approximately 1 meter above the ground. Locations were obtained via a handheld GPS. The surveys were conducted near magnetite-apatite deposits and in areas with mine tailings. For more information on radiometric methods, please see the International Atomic Energy Agency publication "Guidelines for Radioelement Mapping Using Gamma Ray Spectrometry Data" (2003).

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