Found 2,076 items made of . Refine Search
Found 2,076 items made of . Refine Search
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Black obsidian, side-notched point. D. Bradley 02/10/99
Black obsidian, side-notched point with concave base. K. Peterson 1/20/98
Bifacially flaked obsidian point with broken tip and slightly concave base. Left edge of numbered face is side notched leaving a skinny little tang below it. The other side may be notched, but tang is missing and notch looks more like a large flake scar than a true notch. R. Williams 5/12/98
Black obsidian, stemmed, square-shouldered, lanceolate point. There is an adhering matrix on one side. D. Bradley 02/17/99
Black obsidian biface fragment that is broken at both ends and is chipped along one edge. There is an adhering matrix on one side. D. Bradley 10-26-98.
Obsidian side-notched point, parallel flaking, with expanding stem and portion of base is broken.
Black obsidian, side-notched point. There is an adhering matrix on one side. D. Bradley 01/14/99
Black obsidian, side-notched point with expanding stem broken base. D. Bradley 10-26-98.
Black obsidian biface that is flaked to an asymmetrical point. D. Bradley 10-26-98.
Red and black obsidian side-notched point with a flat base. One tang and the tip are broken. M. Christopher 10/23/1998. Dr. Dennis Jenkins, University of Oregon, sent this specimen to Northwest Research Obsidian Studies Laboratory, Corvalis, OR for analysis (on loan 11/30/98 - 4/9/99). A portion of this specimen was removed for obsidian hydration. The source of raw material was determined to be Spodue Mountain. Northwest Research Obsidian Lab placed a paper tag in the specimen bag with the following information: [Lab Contract #] BO-98-91 [Catalog #1989-57/35-M-] 99 [Collection Name] Bergen [Analysis] Specimen No: 44 [Source Location] Spodue Mountain See also the following report from Northwest Research Obsidian Studies Lab for more detailed analytical data: Skinner, Craig E. and Jennifer J. Thatcher 1998 "X-ray Fluoresence Analysis of Artifact Obsidian from the Bergen Site, Fort Rock Lake Basin, Lake County, Oregon." Northwest Research Obsidian Studies Laboratory, Report 98-91, Corvalis OR. Dr. Jenkins' interpretation of the data was reported at the Northwest Anthropological Conference, 4/8/99 - 4/10/99 in his paper entitled, "Obsidian Characterization and Hydration Results of the Fort Rock Basin Prehistory Project." D. Bradley 04/12/99.