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Building off of existing digital data from the Oregon Geologic Data Compilation (OGDC) (Smith and Roe, 2015), this map compiles geologic map data at a variety of scales, and relies on recent published and unpublished 1:24,000 scale geologic mapping, available radiometric ages, new and existing whole-rock X-ray fluorescence (XRF) geochemical analyses, LIDAR elevation data, high resolution aerial imagery, and targeted field reconnaissance to inform map unit designations and resolve map boundary discrepancies. Subsurface interpretations presented as regional cross sections are supported by historic oil and gas well records, recent observation well drilling, and newly acquired whole-rock XRF analyses of subsurface samples.
Building off of existing digital data from the Oregon Geologic Data Compilation (OGDC) (Smith and Roe, 2015), this map compiles geologic map data at a variety of scales, and relies on recent published and unpublished 1:24,000 scale geologic mapping, available radiometric ages, new and existing whole-rock X-ray fluorescence (XRF) geochemical analyses, LIDAR elevation data, high resolution aerial imagery, and targeted field reconnaissance to inform map unit designations and resolve map boundary discrepancies. Subsurface interpretations presented as regional cross sections are supported by historic oil and gas well records, recent observation well drilling, and newly acquired whole-rock XRF analyses of subsurface samples.