Found 2,008 items made of Refine Search .
Found 2,008 items made of Refine Search .
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Black obsidian, leaf-shaped biface that is broken at one end. 11/02/98 D. Bradley.
Obsidian side-notched point, with expanding stem and a slightly concave base.
Black obsidian side-nothced point fragment with retouched edges. 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 Cougar 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-] 133 [Collection Name] Bergen [Analysis] Specimen No: 56 [Source Location] Cougar 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.
Black obsidian, corner-notched point with both barbs broken. There is an adhering matrix on both sides. 11/02/98 D. Bradley.
Black obsidian, stemmed point with a concave base. M. Christopher 10/30/1998.
Black obsidian, side-notched point with concave base. K. Peterson 1/20/98
Black obsidian basal-notched point with tip, one barb, and both base corners broken. A small amount of brown matrix adheres to one side, and base has a V-shaped notch chipped out. K. Peterson 11/30/98
Black obsidian, stemmed point rounded shoulders. D. Bradley 02/05/99
Triangular obsidian biface with missing stem and base. Edges are straight and point is rounded. R.Williams 5/7/98
Flake that has been notched on two sides. Looks like base to side-notched point with a concave base, but is clearly a flake. K. Peterson 1/20/98