Paleoindian Rockshelter (Other Keyword)
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Application of end-member mixing analysis (EMMA) of grain-size distributions to characterize site formation processes of Rimrock Draw Rockshelter (35HA3855), Harney Basin, Eastern Oregon (2015)
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Sedimentological investigations were conducted on Unit 2 of Rimrock Draw Rockshelter (35HA3855), a deeply stratified, multi-component Paleoindian site located in the Harney Basin, eastern Oregon. Field descriptions and end-member mixing analysis (EMMA) of grain-size distributions of 13 sediment samples identified six stages of site formation: three stratigraphic units (SU), two unconformities, and a Bt soil horizon. EMMA resulted in the characterization of three end-members (EM) that correlate...