 | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...of Dr. C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm.,...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) | | VIRGINIA DIVISION OI MINERAT RESOURCES PUBTICATION 45 VIRGINIA GOID-RESOURCE DATA Polmer C. Sweet...Sweet ond Dqvid Trimble CO'N'NONWEALTH OF VIRGINIA DEPARTAAENT OF CONSERVATION AND ECONO'vlIC DIVISION... VIRGINA 1943 VIRGINIA DIVISION OF MINERAT RESOURCES PUBTICATION 45 VIRGINIA GOLD-RESOURCE DATA Polmer...at the old Melville mine near l,Jilderness, 0range County. (photograph from "Gold Seekers Turn Again to...volume 39,.|934). VIRGINIA DIVISION OF RESOURCES PUBLICAIION 'YIINERAI VIRGINIA GOID.RESOURCE DATA |  | | Book (volume) | | nodules, fossils, Calcite crystals, Marcasite and Pyrite cubes. The area around the confluence of the Loup...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford |  | | Book (volume) | | seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet thick in...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet thick in...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book | | ORES—Continued. Gold ores: Goldabearing Quartzampapg ends ileus Steet ceived ssmam sits)s Gold-bearing rocks...vol hee ke hex yee oe ihe date at von Gold and silver ores : Gold and silver ores from the province of...UV RAEN SU ae deere Silver ores (see also under gold and silver ores—above). Silver ores from the Thunder...mica Museovite or potassium micas) 2. isd eeu Phlogopite or magnesium mica pin Tw ob? © tb, tp A is, sl)...Graphite.—Lot 3, range II. of Grenville, Argenteuil county, Q.—Coll., R. Bell, 1856. (1228.) — columnar.——Lot |  | | Journal (article/letter/editorial) | | equal to similar specimens found in San Benito County, California. John H. Betts is a full-time mineral...cabinet of New York County minerals before improvements now going on in said county made it impossible...New York County; the Bronx = Bronx County; Queens = Queens County; Brooklyn = Kings County; Staten Island...Island = Richmond County. In historic literature pre-1898, New York Figure 6. Map and geologic sections...same references the Bronx was part of Westchester County. Manhattan Island is oriented north-northeast/southsouthwest |  | | Report (issue) | | OF MINERALS AND MINERAL LOCALITIES ALLANITE Inyo County: 1, Coarse grained allanite occurs in a pegmatite...quadrangle, McAllister (4) p. 52. Los Angeles County: Additional reference, Patchick (2) p. 237. This...diagrams. 1, AMPHIBOLES ACTINOLITE San Bernardino County: 3, Additional Wrightwood, reported by Berkholz...locality in alluvium, near 21. HORNBLENDE Inyo County: 1, In large prismatic crystals up to 2.5 inches...Panamint Range, McAllister (4) p. 52. San Bernardino County: 2, Pargasite variety of hornblende occurs in coarsely |  | | Journal (issue) | | of Minerals Missouri Spring Ebb San Salvador Mine Van Artsdalen’s Letters Four to the Corners...country of Michigan—marcasite, barite, calcite, pyrite, manganese and iron oxides, with magnificent combinations...as gold, nickel and platinum. The Michigan deposits, however, have produced some silver and gold. Some...dollars. The copper is native copper and is mined in a belt two to four miles wide and more than 100 miles long...This rare material was obtained from the Allouez mine. Of outstanding beauty are specimens of calcite |  | | Report (issue) | | CARBONATITES AND SYENITE GNEISS COMPLEXES IN THE OMINECA BELT Manson Creek Area (93N/9) Carbonatites Silicate...resulting from the presence of macrocrysts (olivine + phlogopite, picroilmenite, chrome spinel, magnesian garnet...contains phenocrystic and/or groundmass olivine + phlogopite, carbonate, serpentine, clinopyroxene, and many...Since that time many rocks carrying olivine + phlogopite + carbonate + clinopyroxene + feldspathoid +...phenocrystic and/or groundmass leucite, Ti-rich phlogopite, clinopyroxene, amphibole (Ti and K-rich richterite) |  | | Journal (issue) | | Occurrence of irhtemite and adelite at the Mercur Mine, Tooele Co., Utah; the western hemisph ere's first...lorandlle recovered from the Mercur Mrne (a Carlin-type gold deposit), Tooele Co., Utah, a white, s ilky, fibrous...cm quartz matrix whether it is an from Navegador Mine, Conselheiro Pena, Minas industrial product? Gerais...Teasing this year was vivianite from the Cigana Mine (very near Mineral News December 2003 the de...mm o n q uartz matri x to 14 c m from Navegaclor Mine. Conselhciro Pena in Minas Gerais. 1-lclvitc is |  | | Report (volume) | | ............................................. Virginia......................................................................................... West Virginia.................................................See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Journal (article/letter/editorial) | | 8092 Zurich, Switzerland and 2Modikwa Platinum Mine, 292KT Onverwacht Hill, Steelport Region, Mpumalanga...together with valuable resources of copper, nickel, gold and iron (e.g. Maier et al., 2013). These metals...drill core studied here is from the Modikwa Platinum Mine. 2198 Journal of Petrology, 2015, Vol. 56, No...the entire drill core from the Modikwa Platinum Mine. (c) Stratigraphy of the 20 m of the drill core...layer. Relatively high amounts of amphibole and phlogopite (up to 10 vol. %) are observed interstitially |  | | Journal (article/letter/editorial) | | Copyright © 2001 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/01 $20.00 ⫹ .00 Pergamon...K8-96, Richland, WA 99352, USA 3 Department of Geological Sciences, Virginia Polytechnic Institute and...and State University, Blacksburg, VA24061, USA 1 2 (Received July 19, 2000; accepted in revised form March...for the semiconducting minerals galena (PbS) and pyrite (FeS2). The methods used to study this effect include...special locations. Another example is seen for pyrite where the oxidation of one site on a terrace influences |  | | Journal (issue) | | Quarry Loudoun County, Virginia Brander Robinson P.O. Box 76 1 Midd lesburg, Virginia 20 11 8 Harold...co llecting trip to the Bull Run Quarry, Loudoun County, Vi rgini a. This quarry has been in operation...stilbite, and calcite, and has been a favorite of mine for a number of years. Less commonly, molybdenite...minor stilbite , Bull Run Quarry, Loudoun County, Virginia collected by Brander Robinson, July 1998....than 1 mm long from the Blackbird District, Le mhi County, Idaho, photo by the author. and gives me something |  | Kolb, Jochen, Keiding, Jakob K., Steenfelt, Agnete, Secher, Karsten, Keulen, Nynke, Rosa, Diogo, Stensgaard, Bo M. (2016) Metallogeny of Greenland. Ore Geology Reviews, 78. 493-555 doi:10.1016/j.oregeorev.2016.03.006 | Journal (article/letter/editorial) | | or Fe-Ti-V oxide systems and hypozonal orogenic gold systems in major shear zones. Interestingly, the...orogens. 1 ACCEPTED MANUSCRIPT Mesozonal orogenic gold and iron ore in banded iron formation are restricted...the Ellesmerian foreland, mesozonal TE orogenic gold in Caledonian shear zones and magmatic-hydrothermal...restricted to a relatively small gold mine in South Greenland (Nalunaq), a Zn-Pb mine in central West T Greenland...Greenland (Black Angel Mine) and a cryolite mine (Ivigtut Cryolite Mine) in South Greenland. Also IP younger |  | | Catalog/List | | COVER PHOTOGRAPH: _ VANADINITE Apache mine, near Globe, Gila County, Arizona. Sharp hexagonal barrel-shaped..... .......... . Fl. Utah Toelle Co., Gold Hill, Gold Hill mine. .50 2.50 Transparent xls on limonite...fluo rescence under ultraviolet light. The Ojuela mine is one of Mexico's largest producers of beautiful...calcium hydroxy-silicate. Ca lifornia Riverside County, Crestmore. White prismatic crystalline on merwinite...Copper aluminum silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue micro xls and coatings on |  | | Journal (volume) | | Mineral Resources GEOLOGIC BRANCH of Sierra County 7 68 Current Notes 68 SPECIAL ARTICLES 69...classes 1. Mines and mineral resources of a given county or area (describing kind, character, distribution...DISTRICT MINES AND MINERAL RESOURCES OF SIERRA COUNTY By Charles V. Averill, District Mining Engineer...13 14 Asbestos 14 Chromite 14 Copper 17 Gold 17 Iron Ore 48 Limestone and marble 49 Soapstone...SIERRA COUNTY, WITH REFERENCES TO REPORTS OF STATE MINERALOGIST 50 GEOGRAPHY Sierra County is one of |  | | Journal (issue) | | severalof the Arkansas antimonymines in Sevier County,Arkansas (Smithand Staszak, 1996).This districtis...recent summary I suggest Smith, 1996. At theStewart Mine, where the bulldozer-flattenedwaste piles lie the...Continued on page 2 Fig. 1. Beudantite, Stewart Mine, Arkansas, drawing by Art Smith. Collecting with...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 E-mail: lream@comtch.iea.com...Prior 4 Fresnoite find at the Junnila Mine, San Benito County, California Scott Kleine 3895 Lisa CT, |  | | Report (issue) | | Electric Co.'s mine; Andrew T. Orr, of the Mica Products Co.; C. W. Bryant, of the Standard mine; L. R. Brown...general information on a number of mines in Grafton County and extended other kindnesses; M. M. Kilton, of...Keene; and Edward Howard, of East Alstead; in Virginia by P. Lippert and Capt. McCray, of the Ridgeway...large sheet mica. The average price paid for run of mine mica, not split or sorted, ranges from $50 to $200...several varieties of mica only two, muscovite and phlogopite, have extensive application in the industrial |  | | Journal (article/letter/editorial) | | the Argyle Mine (Australia), which is located within the Proterozoic Hall’s Creek mobile belt, adjacent...confined to the belt-shaped Alkaline Province, which follows the Omineca – Foreland belt boundary and is...consists of a depleted mantle root and accreted mobile belt(s). The stable craton and underlying lithospheric...Mantle Root Model showing accretion of a mobile belt against Archean craton (after Mitchell, 1991). L—lamproite;...geology west of the Foreland belt (including large portions of the Omineca Belt) may be described as pericratonic |  | | Book | | ....243 APPENDIX II: MINERAL SPECIES LISTED BY COUNTY ...............................248 ABOUT THE AUTHORS... monazite-(Ce), allanite-(Ce), tourmaline, and pyrite. SERPENTINITE A widely distributed type of rock...Marquette County include the Presque Isle body, the Yellow Dog body in the northern part of the county, and...Ishpeming. Several bodies also occur in Dickinson County near the mouth of the Sturgeon River. A distinctive...mackinawite magnetite millerite muscovite pentlandite pyrite pyrrhotite talc Table3: Mineralsfound in S erpentinites |  | | Book | | BO TORY MANUAL FOR OPTICAL MINE LOGY Norris W. Jones F. Donald Bloss NU NC COGNOSCO EX PARTE THOMASJ...OPTICAL MINE LOGY Norris W. Jones University of Wisconsin- Oshkosh F. Donald Bloss Virginia Polytechnic........ 12-1 Lab 13. I dentification of Biaxial Mine rals Using Imme rsion Methods .... 13-1 Lab 14...17-1 l V Page 1 8. Tab l es for Ide ntify ing Mine rals i n Thin Sections Use of Tabl e s a nd Charts...Minerals of Common Sedimentary Rocks Table 18-6C. Mine rals of Common Metamorphic Rocks . . . . . . . |  | | Book | | Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Appendixes 615...Check of Common Minerals Common Fluorescent Minerals Gold Panning Values Colors and Symbols on a Geologic...the ancient gems), calcite, fluorspar, jadeite, pyrite, quartz family minerals ( agate, carnelian, chalcedony...bodies. At a time when Neolithic man was picking up gold and copper nuggets to be hammered into ornaments...amethyst, and rock crystal-all mounted in heavy gold settings that were further decorated with blue enamel |  | | Book (volume) | | ..........................................499 Virginia .....................................................................................525 West Virginia ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map .......................................... |
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