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Isidore Adler, chemist, operates a gonimeter used for x-ray fluorescence analysis of individual grains of mineral specimens, Geologic Division, U.S. Geological Survey, Washington, D.C. 1958. Lower right photograph page 36, Images of the U.S. Geological Survey, 1879-1979.
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Early stage: blue-gray limestone or dolomite is somewhat fractured, cracks being filled with white dolomite; specimen is 3 inches long. Lake County, Colorado. 1929. Figure 21, in U.S.Geological Survey Professional paper 235. 1953.
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Johnson Gulch porphyry; note euhedral phenocrysts resembling those of Lincoln porphyry: length of specimen 3.5 inches. Lake County, Colorado. 1935. Figure 40, in U.S.Geological Survey Professional paper 235. 1953.
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Cambrian diabase-porphyry dike specimens. Arbuckle Mountains. Oklahoma. September 1954.
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Specimen of refolded isoclinal folds in schist. Riverside Mountains, Riverside County, California. January 1967.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Yavapai325 is located in T8N R4W Sec 23 NW in the Sam Powell Peak - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
THIS IS A HISTORICAL RECORD. As of December 17, 2021, the BISON application will no longer be available online and has been replaced by https://www.gbif.us. The BISON APIs are still available at https://bison.usgs.gov/#api and the Integrated Publishing Toolkit is still available at https://bison.usgs.gov/ipt. The USGS Biodiversity Information Serving Our Nation (BISON) project is an online all-species mapping information system consisting of a large collection of species occurrence datasets (e.g., plants and animals) found in the United States, U.S. Territories, U.S. marine Exclusive Economic Zones (EEZ), and Canada, with relevant geospatial layers. Species occurrences are records of organisms at a particular...
Categories: Data; Types: Citation; Tags: Alabama, Alaska, Alberta, American Samoa, Arizona, All tags...
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Specimen: Folded and sheared quartz vein. Alaska. 1907. Plate 9-A in U.S. Geological Survey. Bulletin 433. 1910.
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Pikes Peak (?) granite; note coarsely crystalline texture and conspicuous dark mineral; length of specimen, 3 inches long. Lake County, Colorado. 1929. Figure 8, in U.S.Geological Survey Professional paper 235. 1953.
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Specimens of granite. Fine granite, rhyolite, porphyry rhyolite. Precambrian, St. Francis Mountains. Missouri. April 1965.
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Iowa Gulch porphyry, showing flow banding in dense stony phase: length of specimen 4.5 inches. Lake County, Colorado. 1935. Figure 39, in U.S.Geological Survey Professional paper 235. 1953.
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Part of cross section of nodule-bed specimen. Specimen from locality pictured in photo no. tha00033. Many small nodules and fragments of fish teeth and bones make up groundmass of the larger nodules. The matrix is cemented with pyrite, much of which has altered to iron oxides and gypsum along bottom and top of bed. The light-colored streak at the left is ferruginous gypsum. Custer County, South Dakota. Circa 1967. Published as figure 5 in U.S. Geological Survey Professional Paper 594-L. 1968.
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Little Union quartz latite, showing inclusions: length of specimen 4.5 inches. Lake County, Colorado. 1935. Figure 38, in U.S.Geological Survey Professional paper 235. 1953.
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Opaline diatoms obtained from the digestion with acid; of part of the specimen shown in photo 26. San Luis Obispo County, California. 1931. Plate 11-B, in U.S.Geological Survey Professional paper 212. 1943.
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Specimen storage and examination room. Chemical Laboratory. Washington DC. 1917.
Categories: Image; Tags: Specimens, Washington, DC, photo print
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Specimen: Uralitized diopside crystal, partially replaced and surrounded by garnet. Jumbo mine, Prince of Wales Island, Alaska. 1944. Figure 25, in U.S.Geological Survey Professional paper 251. 1953.
Categories: Image; Tags: Specimens, photo print
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Photograph of specimen of diorite-monzonite porphyry; partly replaced by syenite; diorite-monzonite porphyry; syenite. Ghosts of original feldspar phenocrysts can be seen in several places, especially in the indistinct "vein" of syenite that appears in large porphyry remnant at right; specimen from near La Plata River, opposite La Plata. La Plata County, Colorado. Circa 1936. Plate 8-B, in U.S.Geological Survey Professional paper 219. 1949.
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Fluorspar specimens from the eagle Mountains. A, Fluorspar from the North ore body, Spar Valley, showing dark-green early fluorite encased in light-green late fluorite. Hudspeth County, Texas. 1945. Published as plate 6-A in U. S. Geological Survey. Bulletin 987. 1953.
Categories: Image; Tags: Bulletin 987, Specimens, photo print
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Specimens showing injection gneiss formed by intimate intrusion of quartz biotite schist of the Idaho Springs formation by granite pegmatite; taken from dump of Golden Rod tunnel, Silver Creek. Gilpin County, Colorado. Circa 1911. Plate 10-B, natural size, in U.S. Geological Survey. Professional paper 94. 1917.
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Successive replacements in a specimen from the tungsten-bearing pipe on the Reaper Claim. (e) Epidote; (d) diopside; (a) amphibole; (ap) apatite; (c) calcite. Toole County, Utah. ca. 1926. Plate 9-B, U.S.Geological Survey Professional paper 177. 1935.


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