 | | Report (issue) | | LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA By RICHARD H. JAHNS and LAUREN A...LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA! By Richard H. Jahns* and Lauren...Schuyler) mine Tourmaline Queen mine Gem Star (Loughbaugh) mine Stewart mine Mission mine Pala Chief...Chief mine Katerina (Ashley, Catherina, Katrina) mine El Molino mine INDEX Geologic map and section of the...pocket Tourmaline Queen mine In ,„„.,.,,, Cross-section through Stewart mine In pocket Geologic map |  | | Report (issue) | | pegmatite in granite, Short Tom Smith mine, Rockingham County, N. C______ ____ ____________________ ...between pegmatite and granite, E. R. Self mine, Gaston County, N. C____________________ 6. Sinuous discordant...wall, Knight mine, Rockingham County, N. C- ~ -7. Sharp hanging-wall contact, Knight mine ______ _______________...of granite underlain by schist, Hawkins mine, Stokes County, N. C _ _ _ _ _ _ __ _ _ __ _ _ _ _ _ 9....and other units in the Big Bess pegmatite, Gaston County, N. C _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ |  | | Journal (article/letter/editorial) | | Sciences, East Carolina University, 101 Graham Building, Greenville, North, Carolina 27858, USA 2 Department... Smithsonian Institution, Washington, DC 20013, USA incompatible character of Zn in evolving pegmatite-aplite...spodumene), and topaz, as well as other minerals, in North America for over at least 100 years (e.g., Fisher...similar to those in the well known Little Three mine of the Ramona mining district in the same Province...detailed petrographic studies and cut at East Carolina University (ECU). Oriented polished-thin sections |  | | Report (issue) | | Mica Deposits of the Blue Ridge in North Carolina GEOLOGICAL SURVEY PROFESSIONAL PAPER 577 Work done...done in part in cooperation with the North Carolina Department of Conservation and Development and in part...Administration Mica Deposits of the Blue Ridge in North Carolina By FRANK G. LESURE GEOLOGICAL SURVEY PROFESSIONAL... Work done in part in cooperation with the North Carolina Department of Conservation and Development... Geologic map of part of the Blue Ridge of North Carolina and Tennessee. 2-6. Maps showing location of |  | | Book (volume) | | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye Tunnel |  | | Report (issue) | | mines and prospects___________________ 60 Addie tin mine._________________________________ 60 Ajax claim...___________60 Aladin mica mine by J. W. Adams____________ 60 Ann mica mine by T. A. Steven_________________...Steven_________________ 61 Antler mica mine.._-___--__--__-___-_-_-___-___ 64 Apex claim.___-__________-_-----_---_--_-____64...No. 2 claims.___________________ 65 Ballard mica mine._____________________________ 65 Beecher Lode by...____________ 83 Burt mica mine by J. W. Adams______-----______ 84 Buster Dike mica mine by J. J. Norton_ _________ |  | | Journal (article/letter/editorial) | | University of Oklahoma, Norman, Oklahoma 73019 USA * Corresponding author. ABSTRACT of Crystallization...The average calculated temperature of closure of perthite exsolution occurred at 338C (1 = 60C). Pairings...form close enough to the closure temperature of perthite that exsolution does not occur. The zeolites,...did not discuss their relationship to the main perthite except to suggest that the overgrowths formed...primary crystals within perthite (Fig. 6a,d), as exsolution lamellae within perthite (Fig. 6a,b), and as |  | | Report (issue) | | * Lithium Resources of North America A By JAMES J. NORTON and DOROTHY McKENNEY SCHLEGEL A CONTRIBUTION...___________________-_______---___._______.__ North and South Carolina.___---_______-_-_---__-__________ South...FIGURE 49. The principal lithium localities of North America._._______ 345 TABLES TABLE 1. 2. 3. 4...Comparative analyses of three spodumene samples, Edison mine, Keystone, S. Dak.. ____..____________^__._______5...in 327 333 338 341 343 LITHIUM RESOURCES OF NORTH AMERICA By JAMES J. NORTON and DOROTHY MCKJENNEY |  | | Report (volume) | | of the Notch Peak Wilderness Study Area, Millard County, Utah U.S. GEOLOGICAL SURVEY BULLETIN 1749-C ...of the Notch Peak Wilderness Study Area, Millard County, Utah By DOUGLAS B. STOESER, DAVID L CAMPBELL,...of the Notch Peak Wilderness Study Area, Millard County, Utah / by Douglas B. Stoeser... [et al.]. p. cm...Peak (UT-050-078) Wilderness Study Area, Millard County, Utah. CONTENTS Abstract Cl Summary Cl Character...Identified resources C7 Notch Peak intrusive C9 Brown Queen mine area C9 Sawtooth Canyon area CIO Industrial rocks |  | | Journal (article/letter/editorial) | | ISOTOPE SYSTEMATICS OF GRANITIC PEGMATITES FROM NORTH AMERICA AND NORWAY BRUCE E. TAYLOR* and HANS FRIEDRICHSEN...isotope systematics of granitic pegmatites from North America and Norway. Isot. Geosci., 1: 127-167. Oxygen...up to 2.0%0 between pegmatite dikes in San Diego County, California, U.S.A., can also be explained by exchange...the San Diego County pegmatites (B.E. Taylor et aI., 1979). 129 localities in North America and Norway...and interior to dike +10.5 H-lO microcline perthite crystals with cleavelandite + qtz in cavity in |  | | Journal (article/letter/editorial) | | Stanford University, Stanford, California 94305, USA aAbteilung Geochemie, Mineralogisches Institut, Universit/it...Geology, University of California, Davis, CA95616, USA ** Present address: Stop 905, Branch of Central Mineral...Survey, Denver Federal Center, Denver, CO 80220, USA subsequently added to the wall rocks adjacent to...zones); - 6 2 to - 7 5 (pocket quartz: Tourmaline Queen and Stewart dikes); and - 50 _+4 (pocket quartz...but merge for a short distance in the San Diego mine. Field relations (Foord, 1976) indicate that the |  | | Report (issue) | | west of Highway 38 Freebern mica mine Mobey (Burnham) mine Enterprise mine Sand Road (Card) quarry Dwyer...Road Kingston (Bedford) mica mine Richardson feldspar mine Glendower iron mine Road-cut at km 10.9, Westport...Hickey-Murphy lead mine Road-cuts at km 16.7, Westport Road McLaren phosphate mine Long Lake blue calcite...Lake zinc mine Gabbro quarry Road-cut on Highway 38 at km 57.6 Eagle Lake (Blessington) mine Sharbot Lake...(Frontenac Draper Lake) lead mine Lacey mica mine Stoness mine Matthews mine Feldspar quarry on Kingston-Westport-Perth |  | | Journal (article/letter/editorial) | | mi.). The pegmatiteregion is narrow around the north side ofthe granite but very broad to the southwest... consistingalmost entirely of albite, quartz, perthite, and muscovite. The simplest zoned pegmatites...zones rich in muscovite or inner zones rich in perthite. Others are more complex; a few have numerous...Black Hills are an elongateLaramide dome having a north-northwest-trending Precambrian core flanked by Paleozoic...the Precambrian core. Pegmatitesare absent to the north except in two small localities so far away as to | | | Report (issue) | | of Highway Freebern mica mine 8 y Mobey (Burnham) mine 9 Enterprise mine 10 38 38 Sand Road (Card)...(Bedford) mica mine 12 13 14 14 1D 1 16 16 17 Richardson feldspar mine Glendower iron mine Road-cut at...Hickey-Murphy lead mine Road-cuts at km 16.7, Westport Road McLaren phosphate mine Long Lake blue calcite...calcite occurrence Long Lake zinc mine Gabbro quarry Road-cut on Highway 38 at km 57.6 17 brucite occurrence...occurrence 18 Eagle Lake (Blessington) mine 18 Sharbot Lake road-cuts on Highway 19 ie, 38, kr 72 |  | | Report (issue) | | CI NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT GEORGE R. ROSS, DIRECTOR DIVISION OF MINERAL...Feldspar Deposits of The Bryson City District, forth Carolina BY EUGENE N. CAMERON PREPARED BY GEOLOGICAL SURVEY...WITH THE NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT RALEIGH 1951 NORTH CAROLINA DEPARTMENT...Feldspar Deposits of the Bryson City District, North Carolina By N. CAMERON EUGENE PREPARED BY GEOLOGICAL...DEPARTMENT OF THE INTERIOR In cooperation with the NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT |  | | Report (issue) | | . . . . . . . . . . . . . . . . . Freebern mica mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . Mobey (Burnham) mine . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Enterprise mine . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . Kingston (Bedford) mica mine . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . Richardson feldspar mine . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (issue) | | Concession XVIII, in the township of Raglan, Renfrew County, Ontario. The corundum from this locality—now known...Concession XIV, in the township of Dungannön, Hastings County, the syenite is rich in corundum crystals of a...found in the township of Methuen, Peterborough County, Ontario. Here the crystals are generally imbedded...stones. In the Seigniory of Daillebout, Joliette County, P.Q., fine blue translucent octahedra of spinel...in the townships of Burgess and Bathurst, Lanark County, Ontario. This vein is over a mile in length. TREMOLITE |  | | Journal (article/letter/editorial) | | The specimen is from the Swamp dike, Little Three mine, Ramona, California. Figure 5 (below). A cross section...portion of a pegmatite dike from the Little Three mine, Ramona, California, shows graphic granite as an...and colorless; from the White Queen mine, Pala district, San Diego County, California. (b) Perthitic texture...thin section, Swamp dike, Little Three mine, San Diego County, California. Volume 93, July/August 2018 ...elbaite, and lepidolite, Himalaya mine, Mesa Grande district, San Diego County, California. (e) Compound Baveno-Manebach |  | | Journal (issue) | | paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ...............plus an interesting range o f rare species. The mine, first opened in 1903, continues to produce fine...fine specimens. T INTRODUCTION The Little Three mine is one of several mines located on the Little Three...property in the Ramona district, San Diego County, California. This mine, strictly speaking, is developed in...state o f Minas Gerais, Brazil, and St. A nne’s mine, Karoi district, Zimbabwe. Fine specimens of dark |  | | Report (issue) | | GEOLOGY AND MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California...parts of several sections, by R. M. Stewart COUNTY REPORT California Division of Mines Ferry Building...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT...Land closed to prospecting and mining City and county zoning Water for mining operations Previous descriptions...Kelley Ranch mine Linda Vista mine ... Pacific Clay Products Company (Kelley No. 1) mine Standard Oil |  | | Journal (article/letter/editorial) | | 46408 Abstracl Mica crystals from the Tourmaline Queen mine have monocrystalline muscovite cores surrounded...the dump of the Tourmaline Queen mine (located on Queen Mountain ca 3 km north of Pala), and were not observed...trioctahedralmicas;they alsonote single mica crystal from the Mitchell Creek peg- an inverserelation betweena and R2...muscovite angle (001)A(110) orthoclaseovergrowths (on perthite) from "gem the lepidolite angle 4 - (001)n (ftkl)...lithium-bearing pegmatites of the Pala district, San Diego County, California. Calif . Diu. Mines Spec.Rep. 1 L, |  | | 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) | | under a cooperative agreement with the State of North Carolina and the Tennessee Valley Authority Physical...under a cooperative agreement with the State of North Carolina and the Tennessee Falley Authority UNITED...Production of sheet and punch mica, 1912-14, in North Carolina, the Southeastern States, and the entire United...data for mica specimens, arranged by lot and by mine or prospect-_-___--_-___-_-.___---___-_____--_ Results..._______________ 13. Test data for mica (not identified by mine), taken from the production line of the Colonial |  | | Report (volume) | | Geology of the Calamity Peak Area Custer County South Dakota ~y DONALD H. KUPFER :ONTRIBUTIONS TO ECONOMIC...sections of the Calamity Peak area, Custer Page County, S. Dak------------------------------------~ In...GEOLOGY GEOLOGY OF THE CALAMITY PEAK AREA, CUSTER COUNTY, SOUTH DAKOTA By DoNALD H. KuPFER ABSTRACT...light-colored sodic granite and plagioclase-quartz-perthite pegmatite. The granitic layers locally contain...zone rich in perthite, quartz, and plagioclase; and a core rich in quartz and perthite. Unzoned pegmatites |
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