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Filters: Tags: CANBY (X) > partyWithName: Victoria E Langenheim (X)

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This data release provides access to an aeromagnetic survey over a part of northeastern California, an area that includes the city of Alturas, California. The survey extends across the Devils Garden part of the Modoc Plateau (west of the Warner Range) and westward to over Medicine Lake volcano. The survey covers the Likely fault zone, an enigmatic northwest-striking set of structures with possible Quaternary activity, and extends south across the Madelaine Plains. These data were acquired between September 24 and November 2, 2019, by EDCON-PRJ, Inc., working under contract to the U.S. Geological Survey. The nominal flying height was based on a best fit, pre-planned, three-dimensional draped surface targeted...
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This data release contains gridded aeromagnetic data from a dataset that merges two aeromagnetic surveys of northeastern California. Data from the Alturas and Burney surveys were gridded and merged to provide a continuous, detailed aeromagnetic dataset of the region. The merged dataset was then corrected for the inclination of the Earth's magnetic field (reduced to pole or rtp); match-filtering of the merged rtp gridded dataset provides three dipole-equivalent source layers at 0.85 km (shallow), 3.28 km (medium), and 16.4 (deep) km. Magnetization boundaries were calculated using the maximum horizontal gradient method on the match-filtered gridded data. Lastly, a magnetic field caused by magnetic terrain was calculated...
    map background search result map search result map Aeromagnetic Data of Alturas, California, and Surrounding Areas Aeromagnetic and derivative gridded data, and magnetization boundaries of northeastern California Aeromagnetic Data of Alturas, California, and Surrounding Areas Aeromagnetic and derivative gridded data, and magnetization boundaries of northeastern California