 | | Report (volume) | | Geology of the Hill City Quadrangle Pennington County South Dakota A Preliminary Report GEOLOGICAL SURVEY... Geology of the Hill City Quadrangle Pennington County South Dakota A Preliminary Report By JAMES C. RATTE...and pegmatites in the central Black Hills of South Dakota UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...Formation.-.___________________________________ Harney Peak Granite________________________________________...GEOLOGY OF THE HILL CITY QUADRANGLE PENNINGTON COUNTY, SOUTH DAKOTA A PRELIMINARY REPORT By JAMES C. RATTE |  | | 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 |  | | Report (volume) | | Branch of Distribution U.S. Geological Survey 604 South Pickett Street Alexandria, VA 22304 STUDIES RELATED...WILDERNESS, COLORADO RIO §_RAND~ COUN]Y _____ _ CONEJOS COUNTY 3JC 15 ' \ \ \ 37° \ OO ' - - '\...._ _ _... . . . . . . . . . . . . . . . . . . . . . . . Dakota Sandstone. . . . . . . . . . . . . . . . . . ....Continental Divide Trail. The trails connect with several county and U.S. Forest Service roads that approach the...west and Chama, N.Mex. (population 900) to the south. Some 130 km 2 of the study area are above timberline |  | Corriveau, L., Montreuil, J.-F., Potter, E. G. (2016) Alteration Facies Linkages Among Iron Oxide Copper-Gold, Iron Oxide-Apatite, and Affiliated Deposits in the Great Bear Magmatic Zone, Northwest Territories, Canada. Economic Geology, 111 (8) 2045-2072 doi:10.2113/econgeo.111.8.2045 | Journal (article/letter/editorial) | | Groups), and rhyolitic and uranium-rich in the South (Faber Group). Two of the three voluminous mafic... Notes: Alteration paragenetic sets: (1) Na = albite, albitite; (2) HT Ca-Fe = amphibole-magnetite ±...brecciation Sodic-altered zones consist mostly of albite; scapolite and residual protolith minerals other...Lou system, and Duke sector prospects from the South Lou system. D. Representative bar codes of least...Fragmental rocks Summit Peak itic hyr p Southern Breccia Na-Ca-Fe South Contact East B South Contact Na |  | | Journal (article/letter/editorial) | | Sue-Dianne and NICO deposits and other showings, and albite-hosted uranium mineralized zones elsewhere. The...plutonic zone Snare Group Ron Peanut d.c. Summit Peak Calcareous unit Wopmay orogen NICO Lou s...2015). Iron oxide and alkali alteration reached peak intensity in association with 1873 ± 2 to 1865.9...partially results from extensive and intense sodic (albite) alteration in addition to a more localized and...The Lou sector covers the NICO deposit, the Summit Peak prospect, and the albitite-hosted U showings |  | | Journal (article/letter/editorial) | | within brecciated albitites occurs one kilometer south of the magnetite-rich Au–Co–Bi–Cu NICO deposit in...uraninitebearing mineralization postdates sodic (albite) and more localized high-temperature potassic–iron...polymetallic U showings hosted in albitites located 1 km south of the NICO deposit that collectively form the Southern...units. While documented in the type section to the South, the carbonate unit in between these units tapers...altered to skarn, or exhibits amphibole, magnetite, albite, biotite, and/or K-feldspar alteration within paragenetic |  | | Report (volume) | | ________________________________________________ South Dakota._______________________________________________...________________________________________________ South Dakota______--______.-____.--____--________ Tennessee...______ North Carolina and South Carolina___________________________ South Dakota____________________...North Dakota. Okla., Oklahoma. Oreg., Oregon. Pa., Pennsylvania. R. I., Rhode Island. S. C., South Carolina...Carolina. S. Dak., South Dakota. Tenn., Tennessee. Tex., Texas. Vt., Vermont. Va., Virginia. Wash., Washington |  | | Report (issue) | | ............................. . Andesite of Summit Peak ............................ . Volcanics of Green.............................. . Quartz latite of South Mountain ..................... . Rhyolite of Cropsy... . . . . . . . . . . Geologic map of the Banded Peak area . . . . . . . . . . . . . . . . . . . . . ...63. Depositional contact against south caldera wall below Conejos Peak . . . . . . . . . . . . . . . ....Depositional relations at west wall of Platoro caldera, south slope of Prospect Mountain . . . . . . . . . . |  | Hayward, N., Corriveau, L., Craven, J. A., Enkin, R. J. (2016) Geophysical Signature of the NICO Au-Co-Bi-Cu Deposit and Its Iron Oxide-Alkali Alteration System, Northwest Territories, Canada. Economic Geology, 111 (8) 2087-2109 doi:10.2113/econgeo.111.8.2087 | Journal (article/letter/editorial) | | metasedimentary rocks hosting the NICO deposit from the albite-altered rocks within the Southern Breccia corridor...Kiruna El Laco Pea Ridge NICO to Ray Rock (t 2) Albite Scapolite Cloncurry Southern Breccia (t 1) 1...(Cont.) Faber Group host the Chalco Lake and Summit Peak copper occurrences (Fig. 3C). To the southwest...short-wavelength magnetic lows, including the Lou Lake and Summit Peak faults, and faults in the vicinity of Peanut...of 0.85 to 2.2 log10 ohm-m. (A). Model view from south. Inclination = 60°. (B). Model view from north. |  | | Report (issue) | | was found to be applicable to a large area to the south and west. As work progressed into the central volcanic..._ Subdivisions. ______________________________ Dakota sandstone.__________________________ Mancos shale____-__-_...of the northern part of the Saguache quadrangle. South of the Saguache River.___________ Beidell quart/;...Chemical analyses ______________________ Sunshine Peak rhyolite._____________________ Occurrence and general..._________________ Area west of Lake San Cristobal______ Area south of Lake San CristobaL _ _ _ _ Lost Lakes area. ___________________ |  | | Book (volume) | | Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...DS AED 3) June Culp Zeitner, of Rapid City, South Dakota, for her lifelong devotion to the study and...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...Petrified Wood, Lebanon, OR; Dr. Eric Fritzsch, South Dakota School of Mines and ‘Technology, Rapid City |  | Goad, Robin E., Mumin, A. Hamid, Duke, Norman A., Neale, Kathryn L., Mulligan, Derek L., Camier, W. John (1999) The NICO and Sue-Dianne Proterozoic, Iron oxide hosted, Polymetallic Deposits, Northwest Territories: Application of the Olympic Dam Model in Exploration, Fortune Minerals Limited. | Corporate Document | | Dam model. The deposits were discovered in the south part of the Great Bear magmatic zone (GBMZ) within...Sue-Dianne copper-silver deposit are located at the south end of the Great Bear magmatic zone (GBMZ) in the...class includes the “giant” Olympic Dam deposit in South Australia, which contains an inferred resource of...NICO and Sue-Dianne deposits are situated near the south end of the Proterozoic, Bear Structural Province...the GBMZ is that it couples closely extension with peak collisional conditions in both space and time (Dewey |  | | Journal (article/letter/editorial) | | al., 2015). The GBMZ is exposed for 450 km north-south, although geophysical surveys have suggested up...additional 500 km beneath Paleozoic rocks to the south and 300 km beneath Proterozoic sedimentary rocks...exposed GBMZ from the Au-Co-Bi-Cu NICO deposit in the south to the K2 IOCG and Mag Hill iron oxide-apatite (IOA)...composition in the north and more felsic in the south. In the north, mineralization is primarily hosted...2010; Corriveau et al., 2016). Conversely, in the south, the Treasure Lake Group hosts prospects that range | | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...DICATED TO ] une Culp Zeitner, o/ Rapid City South Dakota, /or her /;/efong devotion to the study and...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...Petrified Wood, Lebanon, OR; Dr. Eric Fritzsch, South Dakota School of Mines and Technology, Rapid City,...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill 0. Murphy |  | | Journal (article/letter/editorial) | | Dumas Groups in the north, the Faber Group in the south, and the younger and overlying Sloan Group in the...boundary of the Great Bear magmatic zone in the south. Tectonic deformation along this fault zone progressively...batholith is extended to undivided intrusive rocks south of the Western section, which differs slightly from...Lou (NICO deposit, Southern Breccia showings, Summit Peak showing), and Duke (e.g., Duke and Sunil zone...assemblage/rhyolites dike 56 Unidivided rhyolite/rhyolite dike-South Lou sector 7 Dianne subassemblage 23 Cole assemblage |  | Larsen, Esper S., Irving, John, Gonyer, F. A., Larsen, and Esper S., 3rd, (1937) Petrologic results of a study of the minerals from the Tertiary volcanic rocks of the San Juan region, Colorado. American Mineralogist, 22 (8) 889-905 | Journal (article/letter/editorial) | | the San Cristobal quadrangle, a few miles south of Piedra Peak. Here the small apophyses and the border...head of Alamosa Creek and one mile southeast of Summit Peak. 40X. Brown DN 3005 Or Ab An di hy mg il hm...are given above after recalculating nepheline to albite and olivine to hypersthene, as silica would be...Mountain andesite (Sa a83). Saguache quadrangle, south slope of Saguache River, about ] mile below the...crystallization of the magma of the stock south of Piedra Peak is believed to have been about as follows: |  | | Book (edition) | | dry land. The proportion times as great as that south. of land north of the equator % is nearly three...and hardly one one it is only tenth (gx) in the south temperate. Out of the 196,900,000 of square miles...land in the water-hemisphere are the extremity of South America below zenith, ; THE earth's CONTOUE...land IS gathered about the Arctic, and reaches south in two great continental masses, the occidental...side of both continental border 70 jSTorth and South America the submerged Off California, the distance |  | | Journal (article/letter/editorial) | | islands of probable continental affinities, which lie south and west from Fiji, (Fig. 1), in some of which pottery...I MOLOKA MAU I Frc. 2. Maps of islands showing summit swamp areas (solid black). On Kauai and East Molokai...higher area of West Maui, and smaller on the low summit swamp of Molokai, than shown here (St. John, personal...Kainapuaa, a peak in Latitude 2t"-36t North (Fig.2). In this distance of about seven miles the summit elevations...conditions in Hawaii. Frc. 3. Contour pattern of the summit of the Koolau Range at the northern end of the |  | | Report (issue) | | ALTITUDES IN VERMONT, /GEOLOGY OF GRAND ISLE COUNTY, THE OLDEST CORAL REEF, P. E. TERRANES OF BETHEL...THE GEOLOGY OF WESTERN VERMONT, Gi-:or.00y OF SOUTH CENTRAL VERMONT, MINERAl. RESOURCES, G. H. PERKINS...some further account of the Geology of Grand Isle County. Following this is an inter esting study of an...at the north border of the State and proceeding south. Before presenting a list of towns and giving the...border in one tier of quadrangles and then moving south to the next tier, again commencing on the west and |  | | Book | | Washington State University Tri-Cities Richland, WA, USA Stephen P. Reidel Acknowledgements This work...way and to remove some errors. Stephen P. Reidel (USA), one of the best flood basalt experts in the world...seven-year-old, dinosaur-enthusiast son Shikhar (“summit”, “peak”). Shikhar even knows that the dinosaurs did...solve every flood basalt puzzle and climb every summit that I could not. Finally, there is no place like...University of Mexico (UNAM), the University of Hawaii (USA), and the Homi Bhabha Centre for Science Education |  | | Report (issue) | | approximately Page 3 Alaska Resource Data File AN001 south and dips 10 to 40 W (Ray, 1933). Stoll (1944) described...the south end of the main workings by a regional fault (Martin fault). The vein is not found south of...saved for future treatment. Most of the mining was south of the Mabel fault, along a major transverse fault...wall of the shear zone to move upward and to the south (Ray, 1954). Ankerite noted in wall rock and as...in the Wet Gulch drainage is Jurassic (?) quartz-albite-chlorite (+/- garnet-biotite) pelitic schist. |  | | Report (issue) | | islands were never connected to the mainland of South or Central America. They grew froma broad shallow...erupted from the summit and flanks of shield volcanoes, and each volcano has a summit caldera. The smaller...islands were never connected to the mainland of South or Central America. They grew from a broad shallow...penetrating observations he made on the mainland of South America have generally been obscured by his better...northern islands, he added, generally contain more albite (plagioclase) than do those of the southern islands |  | | Book | | - - . - . - - . - - . -" . - . Summit Crater of Mount Loa, Subordinate Craters of Mount...Pacific and of the Globe, New New . Zealand, South Wales, Sydney Sandstone 3. Coal formation, -...1. — 1. Fossils of 2. Fossils Index, II. South Wales, . - • - - - - - .... of Tierra...taken in 1825. 190. Sandhills of Nanawale. 206. Summit crater of Mount Loa, as seen from above; from a...Koolau Precipice, as seen from the north, with the peak Konahuanui, and the " Pali" or precipice at the |  | | Book (edition) | | Gold Coast, Sierra Leone, Angola and the Union of South Africa supply most of the remainder. Brazil, which...the world’s total production of diamonds. At the peak of its war use (1944), the United States imported...Brazil; ballas chiefly from Brazil but a few from South Africa. Bort comes from all diamond-producing centers...e 0.20 Turkey: Kalah. .. Gumuch. Samos..... USA. Virginia... Chester, Mass..| New York New York...syenites in Canada and feldspathic rocks in India and South Africa. The origin of corundum has been discussed |  | Acosta-Gongora, P., Gleeson, S. A., Samson, I. M., Ootes, L., Corriveau, L. (2014) Trace Element Geochemistry of Magnetite and Its Relationship to Cu-Bi-Co-Au-Ag-U-W Mineralization in the Great Bear Magmatic Zone, NWT, Canada. Economic Geology, 109 (7) 1901-1928 doi:10.2113/econgeo.109.7.1901 | Journal (article/letter/editorial) | | an area of 450 × 100 km and can be traced to the south for 500 km and to the west beneath a thin Paleozoic...of more than 10 km in the north and 5 km in the south (Hoffman, 1980, 1984). The contained volcanosedimentary...McGlynn, 1977; Hildebrand et al., 1987) and in the south by the Faber Group (Gandhi, 1994; Gandhi et al....7047000 N243 448000m E Trench 106 7277000 Summit Peak Showing Trench 103 7278000m N Chalco Lake...Nori/RA (Cu-Mo-U ± REE) prospect is located in the south-central Great Bear magmatic zone on the northwest |
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