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Airborne electromagnetic and magnetic survey of the Alabama Graphite-Vanadium Belt and surrounding regions, 2023

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2024-06-03T00:00:00Z
Airborne electromagnetic (AEM) and magnetic survey data were collected during March and April 2023 over a distance of 9,000 line kilometers in east central Alabama. Data were acquired by SkyTEM Canada Inc. with the SkyTEM 306HPM time-domain helicopter-borne electromagnetic system together with a Geometrics G822A cesium vapor magnetometer. The survey was acquired at a nominal flight height of 35 - 45 m above terrain along parallel flight lines oriented northwest-southeast with nominal line spacing of 500 m, 1000 m, and 4000 m.

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