 | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Journal (article/letter/editorial) | | Drummore, paratacamite, 547 Barra, Outer Hebrides, amphibolite assemblage of andesine, tschermakitic hornblende...halite, trona, 34 I Sfibren-kalaalan Eskisehir county, deerite, 25i Iraq Sinjar, Mosul, sinjarite, 643...fluorian allanite, fluorapatite, ferroan sahlite, epidote, 312 Gondivalsa, Orissa, fluorapatite, phlogopite... 321 Zambia Nkama mine, carrolite, 737 Rhokana south orebody, ferroan carrollites, 733 Tanzania Furua...8I I South-West Africa (Namibia) Ida mine, Kahn, "idaite', I98 Tsaobismuna, alluaudite, 230 South Africa |  | | Journal (article/letter/editorial) | | report that the principal rocks underlying Gilpin County, Colorado, and adjacent parts of Clear Creek and...and James M. Hill, "Economic Geology of Gilpin County and Adjacent Parts of Clear Creek and Boulder Counties...quartzite conglomerate, andalusite quartz rocks, and epidote rocks also occur. Certain granite and diorite intrusion...states that granite is the pre-Cambrianrock of Luna County, New Mexico. Darton4 reports that the pre-Cambrianrocks...describes the pre-Cambrianrocks of Harney Peak, South Dakota, as consisting of mica, hornblende, garnet schists |  | | Journal (article/letter/editorial) | | This article was downloaded by: [North Dakota State University] On: 09 October 2014, At: 16:59 Publisher:...expressly forbidden. Terms & Downloaded by [North Dakota State University] at 16:59 09 October 2014 Conditions...Complex JOHN WAKABAYASHI1 Downloaded by [North Dakota State University] at 16:59 09 October 2014 Department...metamorphic grade, including blueschist, eclogite, and amphibolite assemblages, and are typically found encased...grade. Coherent metamorphic rocks are generally of epidote blueschist and lower grade and consist of large |  | | Report (issue) | | Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-D ...Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota By JACK A. REDDEN PEGMATITES AND OTHER PRECAMBRIAN...map and sections, Fourmile quadrangle, Custer County, South Dakota. 22. Geologic map and sections of layered...showing location of the Fourmile quadrangle, South Dakota.__________________________________ Resistant...schist from the Calamity Peak area, 2 miles east of Custer, S. Dak. ______________________________________ |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Report (issue) | | PEGMATITES OF PART OF THE FOURMILE AREA CUSTER COUNTY SOUTH DAKOTA By Andrew J. Lang, Jr. and Jack A. Redden...PEGMATITES OF PART OF THE FOURMILE AREA CUSTER COUNTY, SOUTH DAKOTA By Andrew J. Lang, Jr. and Jack A. Redden...Quartz-mica schist unit............ Amphibolite unit.................. Amphibolite................. Lime-silicate........ Quartz-mica-feldspar schist unit..... Amphibolite dikes ................ Pegmatites.............. Caster County, S. Dak..............Insidp back cover Figure 1. Fourmile area, Custer County ....... |  | | Book (volume) | | Guide for Rock Hounds in the United States SOUTH DAKOTA This northwestern Great Plains state varies...In the far western counties of Lawrence, Meade, Custer and Pennington the land rises abruptly into the...rising granite mass intruded the famed Cretaceous Dakota sandstone, which underlies most of the Great Plains...continental seas were advancing from the south, the Dakota sandstone represents topset beds, wave reworked...the fascination of these pegmatites. 437 South Dakota The commercial production of minerals, principally |  | | Report (volume) | | National Forest, South Dakota and Wyoming U.S. GEOLOGICAL SURVEY BULLETIN 1580 SOUTH DAKOTA WYOMING I -«*&...Geology of the Black Hills National Forest, South Dakota and Wyoming We st from. Washington SHOWING...Geology of the Black Hills National Forest, South Dakota and Wyoming By ED DEWITT, J. A. REDDEN, ANNA...potential of the Black Hills National Forest, South Dakota and Wyoming, was made to assist the U.S. Forest...rugged, timbered land in the Black Hills of South Dakota and Wyoming and the Bear Lodge Mountains of |  | | Catalog/List | | Fairfield County, Branchville White xlline with cymatolite, good study ... New Mexico Taos County, near Dixon...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite...sodium potassium alumino-silicate Arizona Final County, Christmas Dark green cleavages in andesite .. |  | | Report (issue) | | Geology of the Berne Quadrangle Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-F ... Geology of the Berne Quadrangle Black Hills South Dakota By JACK A. REDDEN PEGMATITES AND OTHER PRECAMBRIAN... Mayo Formation. __________________________ Amphibolite.-... _ __________________________ Lithologic...GEOLOGY OF THE BERNE QUADRANGLE, BLACK HILLS, SOUTH DAKOTA By JACK A. REDDEN ABSTRACT The Berne quadrangle...carbonate iron formation. Many small bodies of amphibolite were diabase dikes and sills. Many different |  | Miller, F.K., Burmester, R.F., Powell, R.E., Miller, D.M., Derkey, P.D. (1999) Digital geologic map of the Sandpoint 1- by 2-degree quadrangle, Washington, Idaho, and Montana. Open-File Report Vol. 1999 (99-144) US Geological Survey doi:10.3133/ofr99144 | Report (issue) | | 1:24,000). 1999 1 2 3 U.S. Geological Survey, Spokane, WA 99201 Western Washington University, Bellingham...Proterozic)—May be part of Priest River Complex or Spokane dome (lies south of Sandpoint quadrangle) or may be related...River Complex and rocks of the Spokane dome of Cheney (1980) just south of the quadrangle is unclear....order faults as the rocks west of the Moyie Fault. South of the Hope Fault, the Belt rocks dip dominantly...the Osburn and St. Joe Faults south of the quadrangle. It dips steeply south-southwest and extends about |  | | Report (volume) | | the Northern Part of the Tenmile Range, Summit County Colorado GEOLOGICAL SURVEY Prepared in cooperation...the Northern Part of the Tenmile Range, Summit County Colorado By MAX H. BERGENDAHL CONTRIBUTIONS TO...gneiss____-___-____-______-_-_____---_--_----_-_--_ Amphibolite. ________________-_______---____----_-_____-...THE NORTHERN PART OF THE TENMILE RANGE, SUMMIT COUNTY, COLORADO BY MAX H. BERGENDAHL ABSTRACT The Tenmile...of the sillimanite-almandine subfacies of the amphibolite metamorphic facies. These gneisses occur in a |  | | Journal (article/letter/editorial) | | Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal...Beaverhead County, the pegmatites of Jefferson County, and the Snowbird mine in Mineral County continue...Highlands Centennial Nugget in 1989 in Silver Bow County. The seventh largest gold nugget found in Montana;...were found in the region. Gold was found to the south in the Beaverhead River area on Grasshopper Creek |  | | Report (volume) | | Hahns Peak and Farwell Mountain Quadrangles, Routt County, Colorado By KENNETH SEGERSTROM and E. J. YOUNG.............................................. Amphibolite........................................................................................... Amphibolite complex........................................Altered gneiss with dark-gray quartz and garnet-epidote skarn Pegmatite..................................-·-·-----------···------·-·········-·········· Dakota Sandstone..................................... |  | | Report (issue) | | lron-F<;,>rmation-Hosted Gold Deposit, Lawrepce County, South Dakota I U.S. GEOLOGIICAL SURVEY BULLETIN 1857-J...SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105, 125 South State St. • SAN FRANCISCO, California-Customhouse...be payable to Superintendent of Documents.) • SPOKANE, Washington-U.S. Courthouse, Rm. 678, West 920...iron-formation-hosted gold deposit, Lawrence County, South Dakota I by Stanton W. Caddey ... [et al.]. p....Docs. no.: I 19.3:1857-J 1. Gold ores-South Dakota-Lawrence County. 2. Homestake Mine (S.D.) 3. Geology |  | | Journal (article/letter/editorial) | | calciferous formation near the State College in Center County, P a . , is not pseudomorphic after ordinary or...Hamlinite and its Occurrence with Bertrandite at Oxford County, Aaine. BY s. L. PENFIELD. Am. J . Sci., 154, 313-316...regards the magnetite and its encircling zone of epidote as derivatives through hydrochemical or weathering...also limited in depth ; and the proof that the epidote is coeval with the magnetite or genetically related...magnetite obtainable, of the mixed magnetite and epidote, and of the ore as prepared for market, the percentages |  | | Catalog/List | | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline...crystal vugs ALTAITE Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite |  | | Report (issue) | | GEOLOGY OF THE GORE CANYON-KREMMLING AREA, GRAND COUNTY, COLORADO by C. S. Venable Barclay i 1 it *v...--------------- 80 33. Dakota Sandstone near east end of Gore Canyon- - 108 34. Contact of Dakota Sandstone and...Creek Granodiorite ------- 173 46. Joints of the Dakota Sandstone 174 43. 44. - LIST OF TABLES Table...07-100 feet; the Morrison Formation, 250 feet; the Dakota Sandstone, 225 feet; the Benton Shale, 340 feet;...Park in the southwestern part of Grand County, Colo. The south boundary of the area is lat 40°00' N., |  | Staatz, M.H., Page, L.R., Norton, J.J., Wilmarth, V.R. (1963) Exploration for beryllium at the Helen Beryl, Elkhorn, and Tin Mountain pegmatites, Custer County, South Dakota. Professional Paper 297c. US Geological Survey doi:10.3133/pp297c | Report (issue) | | Elkhorn and Tin Mountain Pegmatites Custer County, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER...Elkhorn and Tin Mountain Pegmatites Custer County, South Dakota By MORTIMER H. STAATZ, LINCOLN R. PAGE..._ Quartz-mica schist _____________________ _ Amphibolite _______________ ------------Pegmatite ___________________...diamond-drill holes 1-5, Helen Beryl pegmatite, Custer County, South Dakota________ Summary of mineral measurements...diamond-drill holes 1-6, Elkhorn pegmatite, Custer County, South Dakota___________ Summary of mineral measurements |  | | Report (issue) | | Location of the Midnite uranium mine, Stevens County, Washington Plate 1. 2. Geologic map of the Midnite...intrusive into the Togo have been metamorphosed to amphibolite. Unmetamorphosed rocks 1n the mine area are...on the Spokane Indian Reservation, Stevens County, Washington, about 65 km northwest of Spokane (fig.... Location of the Midnite uranium mine, Stevens County, Washington. Figure 1. I!S°00' Several aspects...bulldozer cuts do not expose bedrock. Most of Spokane Mountain is underlain by felsenmeer, and on those |  | | Journal (article/letter/editorial) | | similar Precambrian base-metal deposits crops out in south-central Colorado. At Cotopaxi mineralization is...faulting. Mineralization is mainly confined to amphibolite, but biotite gneiss and nodular sillimanite schist...schist are regional rock types; the mineralized amphibolite is not a regional rock type and may have formed...separated into the following distinct stages: amphibolite formation, almost exclusively confned to the...well-defined but little-studied ore deposits in south-central Colorado is Precambrian in age. These deposits |  | | Report (issue) | | complex extends well beyond the map area. To the south some elements of the mass extend almost to the ...hornblende-biotite plutons that are not part of the complex. South of the Pend Oreille River, similar two-mica rocks...northern edge of the Columbia River Group basalts south of Spokane. At the latitude of the study area the west...complex are described roughly as they occur from south to north. Tksm MIXED GRANITIC AND METAMORPHIC...leucocratic two-mica granitic rocks, schist, amphibolite, and minor gneiss. Granitic rocks range in composition |  | Sheridan, Douglas M., Maxwell, Charles Henry, Albee, Arden Leroy, Van Horn, Richard (1967) Geology and uranium deposits of the Ralston Buttes district, Jefferson County, Colorado, with sections on Paleozoic and younger sedimentary rocks. Professional Paper 520. US Geological Survey doi:10.3133/pp520 | Report (issue) | | Deposits of the Ralston Buttes District Jefferson County, Colorado By DOUGLAS M. SHERIDAN, CHARLES H. MAXWELL..._______________ _ Cretaceous ____________________________ _ Dakota Group _____________________ _ Benton Shale ______________________...____________________ _ 88 Map of the North and South adits, Mena mine ______________________________... 14 6. Amphibolite and hornblende gneiss from the interlaycred hornblende gneiss, amphibolite, and biotite...gneiss from the interlayered hornblende gneiss, amphibolite, and biotite gneiss subunit of the hornblende |
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