 | | Journal (article/letter/editorial) | | The fine-grained rocks of this deposit contain a treasure of rare, if microscopic, man ganese minerals...three new species. The Bald Knob Manganese Deposit ALLEGHANY COUNTY, NORTH CAROLINA W I L L I A M B . SIMMONS...was written, by request, for the March-April North Carolina issue. However, due to space limitations publication...N O B M A N G A N E S E D E P O S I T is one of North Carolina's most unusual and interesting deposits...This inconspicuous little prospect in western North Carolina has been the source of three new minerals and |  | Peacor, Donald R., Essene, Eric J., Simmons, William B., Bigelow, and Wilbur C. (1974) Kellyite, a new Mn-Al member of the serpentine group from Bald Knob, North Carolina, and new data on grovesite. American Mineralogist, 59 (11-12) 1153-1156 | Journal (article/letter/editorial) | | Ne* Mn-AlMemberof the SerpentineGroupfrom Bald Knob, North Garolina,and New Dita on Grove3ite' DoNtrp...(principally kutnahorite) at the Bald Knob manganesemine, near Sparta, North Carolina. Associated minerals include...depositat Bald of amesite. The name, kellyite, is in honor of Dr. Knob, near Sparta, North Carolina, was originally...Mineralogy, The Uni- of Mn-rich phases from the Bald Knob deposit in versitvof Michigan. addition to their descriptions...regular-to-platyyellow tabletsand laths. It is widespread at Bald Knob; virtually every thin-section containingcarbonatesshowsat |  | | Journal (issue) | | 157 by J. Strobbe Manganese minerals of Bald Knob, North Carolina 167 by W. B. Simmons, Jr., D. R. Peacor...found with vuagnatite at Red Mountain, Mendocino County, California (Pabst et al> 1977), has been determined...mcguinnessite spherules from Red M ountain, Mendocino County, California, were analyzed with an ARL EMX- SM...Stanislaus County, California (Bodenlos, 1950), and malachite from Bisbee, Cochise County, Arizona. Other...3Mcguinnessite (this study) from Red Mountain, Mendocino County, California (M g/Cu = 1.17). D(obs.) by suspension |  | | Journal (volume) | | 2013.18G.M.1. BACK COVER: Bob King admiring a fine North Pennine fluorite at the British Mineral and Gem...Hemimorphite replacements of rugose corals from Swaledale, North Yorkshire Brian Young 17-19 PAPERS ‘Cellular’...Zircon pyroxenite from Upper Badcall, Sutherland, North-west Scotland Andy Moffat and Roy E. Starkey 64-67...contributions on aspects of the mineralogy of the North Pennine Orefield. Then, following Frank’s review...‘black blobs’ in Leicestershire, the focus shifts to North Wales with articles on the complex and intriguing |  | | Journal (article/letter/editorial) | | them. One exception is the world-class manganese deposit of Nsuta with reserves of 5 million tonnes of oxide...Nangodi and Lawra belts, and of the Nsuta manganese deposit. Early Proterozoic (Birimian) rocks of Ghana are...In Ghana, six parallel greenstone belts trending north to northeast are recognized. The Nangodi belt in...Pyrophanite Rutile Apatite Sphene Pyrrhotite Chalcopyrite ~ Covellite Pentlandite Pyrite Sphalerite Cobaltite...manganese-rich banded iron formation of the Cuyuna North range, Minnesota (McSwiggen et al., 1994), and three |  | | Journal (article/letter/editorial) | | we found braunitefree rocks at the Kazagan-Tash deposit in the Southern Urals of Russia that simultaneously...rare and was reliably identified at the Otjosondu deposit in Namibia [23]. The metalliferous deposits are...Examples of these deposits are the Bikkulovskoe deposit in the Southern Urals [32], Ir-Nimiiskoe and Shantarskoe...solutions, because otherwise sulfides (first of all chalcopyrite) crystallize in place of native copper. The...Bronkhorstfontein, Limpopo province, South Africa 1 3 Deposit (country, region) no. Mineral composition of |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...gangue mineral may be considered as waste in one deposit and as ore mineral in another (e.g., hedenbergite)...particular sample derives from the stockwork of such a deposit, it will normally contain amorphous silica/opal...in modern hydrothermal equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic...mineral inventory available elsewhere. Further deposit descriptions originated from: binn.strahlen.org |
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