Devonian Amphipora Fossils in the Columbia Marble of the Calaveras Complex, California – Implications for Subduction Complex Evolution

This record contains data of Amphipora fossil occurrences in the Columbia Marble of the Calaveras Complex from the Blue Mountain Minerals mine: Excel spreadsheet documenting location coordinates of fossil occurrences in both solid core holes and blast hole cuttings, core hole logs documenting fossil occurrences, photographs of unsplit core (from original drilling dates) containing Amphipora fossils, recent photographs of split core containing Amphipora fossils, blast hole logs documenting fossil occurrences, photograph of fossil samples and thin sections underway for accessioning at University of California Museum of Paleontology.