 | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Report (issue) | | zinc, pyrite, tinf-, cobalt, 5- molybdenum, tungsten, barite, and rare-earths have been mined in North...granite body in Halifax 18 County. 19 and Vanoe Counties. 20- Tungsten minerals occur with copper...occur with sulfides in vein|j deposits in Cabarrus County. 21 22 23 24 25- U. S. GOVERNMENT PRINTING OFFICE:...lead, zinc, pyrite, tin, cobalt, molybdenum, and tungsten, barite, and rare-earths 5- deposits associated...also minor deposits of tin, cobalt, molybdenum, tungsten, and 13 rare -earths. 14 gradations ^are found |  | | Report (issue) | | ............................................. Tungsten ................................................................................ 30 Bernalillo County ..................................................................................... 30 Catron County ............................................................................... 31 Black Range (Taylor Creek) Tin District ................................................................. 32 Chaves County .............................................. |  | | Report (issue) | | Intrusive rocks in the quadrangles include gabbro, granodiorite, and altered felsic hypabyssal rocks. The gabbro...small discordant or concordant plutons. The granodiorite is Tertiary in age and forms small discordant...gabbro, in particular those adjacent to the granodiorite, have been metamorphosed, chiefly to hornfels... Gabbro. 6. Intermediate intrusives, mainly granodiorite. 7. Felsic intrusive rocks of Tertiary age....by the Nikolai mine and the Radovan greenstone prospect, and of native copper and tenorite lodes localized |  | | Report (issue) | | . . . . . . . . . . . . . .. 18 22 Mine and prospect descriptions . . . . . . . . . . . . . . . . .... .. 39 39 40 40 40 41 41 Reported mine and prospect descriptions . . . . .. . . . . . . . . . . ..... . . . . • • . • • • . . 42 44 47 Mine and prospect desc-iptions . . . . . . . . . . . . . . . . .... . . . . . • • . . . . . .. 49 50 Mine and prospect descriptions . . . . . . . . . . . . . . . . ..... . . ... .. ... . . .. .. . . . .. Mine and prospect descriptions .. . ... . . . . ... .. . . . . • |  | | Report (issue) | | Mineral Production General Features I. Alpine County. 5 6 6 , Mining Districts The Mogul and Monitor...27 27 27 , , Bibliography Chapter II, Inyo County. Introduction and Acknowledgments Location and...and water supply List of watering places in Inyo County Topography and drainage , Culture Mode 38 39...salt deposits Taele of Mining Districts in Inyo County . 5S 5S 58 58 58 58 58 58 58 58 5S 59 59 59 59...119 Quicksilver — — Salt Soda Sulphur Talc Tungsten Volcanic ash or pumice Bibliography Chapter |  | | Report (issue) | ROCKS peSp'ence. -, *\.-'-~~~lll *vl Granite, granodiorite. ' v...Peterson prospect 12 Montana Basin prospects 13 McGinnis Creek prospects 14. Wagner prospect 15 ' JuaTpa...prospects 28 Holkham Bay prospect 29 Lituya Bay placers 30 DeGroff mine 31 Mills prospect 32 Cache mine 33 Lucky...Lucky Chance mine 34 Groundhog Basin prospect 35 Glacier Basin prospect 36 Portage Mountain prospects 37...prospects 43 Vallenar Bay prospects 44 Lon-de-van prospect 45 Sea Level mine 46 Mamie mine 47 Stevtmstown |  | | Report (volume) | | or intermediate to mafic intrusives, chiefly granodiorite, and a few andesite dikes and sills. The quadrangle's...Cretaceous Dominant lithology Andesite. Dacite. Granodiorite. Varied continental sedimentary rocks and andesitic...cannot be mapped confidently south of the Nelson prospect, but its southeastward trace n1ay be represented...deposits 0 Intrusive rocks Chiefly d(te1:te and granodiorite ~ Lower part of Wrangell Lava and Frederika...rocks ranging in composition from gabbro to granodiorite and dacite form small stocks, dikes, and sills |  | | Report (volume) | | ___ Kupreanof group.________________:_________ Taylor Creek prospects.:_______________________ Gold ... is reported to have located the first copper prospect in the district just south of Kasaan village,...and beds of slate are less common. Pebbles of granodiorite, "quartz, andesite, and graywacke are plentiful...and sheeted zones are often well marked in the granodiorite, and trend northwest with steep northeasterly...white strands along the outer portions of the granodiorite massifs and in the adjacent schists, but in |  | | Report (volume) | | Tashkent, Uzbek S.S.R. Virginia Div. Mineral Resources, Mineral Resources Rept. Virginia Division of Mineral...Mineral Resources, Mineral Resources Report. Virginia Department of Conservation and Economic Development...Robert W. Geochemical prospecting Retrospect and prospect: Canadian Inst. Mining and Metallurgy Trans.,...established to be anomalous in arsenic, antimony, and tungsten has been found to be anomalous also in mercury...indicate the migration of gold, copper, molybdenum, tungsten, and mercury in ground water. Geochemical studies |  | | Report (issue) | | • • • • • • • • • • • • • • • • • • •• •• 144 Tungsten .... _........ __ ........ . .. __ ..... . .....- - - - _.- - - . - . - ... - - -... . . . . Granodiorite porphyry ........... - .. - .. - .. - . - ..... . . . . . . . . . . . . . . . . . . . . . Granodiorite groJ.lp. _................................................................................. Virginia lode .................................................................................. Allah prospect.............. . ......... . ................. |  | | Book (edition) | | prospecting for uranium on La Ventana Mesa, Sandoval County, New Mexico. .,3d ed. H. C. Dake (1953) The uranium...and the counare arranged alphabetically; within a county the districts are also given in alphabetical order...camps, and synonyms, together with the name of the county in which the district is located. In perusing the...as agate, chalcedony, and end is in Sandoval County, at the north According to Hibben (1941), this...Pine Lawn Valley, southwest of Reserve, Catron County, Martin, Rinaldo, and Antevs Later, years for |  | | Report (issue) | | Deputy Minister BULLETIN No. 10 - (REVISED) Tungsten Deposits of British Columbia hl JOHN S. STEVENSON...Excellent Majesty 1948. . LIST OF TUNGSTEN OCCURRINCES . . 1 Tungsten and Wolframite ...................Paxton ... ...-. .... 35 . Taylor 36 Limestone Point 37 runs, en Queen 38 Tungsten King .... 39 Bralome .-...sa I_ XALE I MILES Key map showing principal tungsten occurrences i n B r i t i s h Columbia . . ... CONTENTS PREFACE Chapter I GENERAL. DISCUSSION OF TUNGSTEN INTRODUCTION :............................... |
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