 | Maier, W. D., Barnes, S.-J., Chinyepi, G., Barton, J. M., Eglington, B., Setshedi, I. (2008) The composition of magmatic NiβCuβ(PGE) sulfide deposits in the Tati and Selebi-Phikwe belts of eastern Botswana. Mineralium Deposita, 43 (1) 37-60 doi:10.1007/s00126-007-0143-5 | Journal (article/letter/editorial) | | in the Tati and Selebi-Phikwe belts of eastern Botswana W. D. Maier & S.-J. Barnes & G. Chinyepi & J....sulfide deposits in two distinct belts in eastern Botswana. The Tati belt contains several relatively small...to 4.5 Mt of ore at 2.05% Ni and 0.85% Cu) at Phoenix, Selkirk and Tekwane. The deposits are hosted by...Platinum-group elements . Phoenix . Selkirk . Selebi-Phikwe . Tekwane . Dikoloti . Botswana 38 Miner Deposita...Introduction The area to the east and south of Francistown, eastern Botswana hosts a number of intrusive |  | | Journal (article/letter/editorial) | | Bondolfur, East Iceland: beudantite, 431 Pengenna (Trewethen) mine, St. Kew: pitchsbone, oligoclase, 587...587 Sellatur, East Iceland: pitchs~one, anor- thoclase, 587 Skruthur, East Iceland: pitchstonc, anorthoclase...anorthoclase, 587 Thingmuli, East Iceland: andesine, 587 F a r o e s (F~eroerne) Erionite, chabazite,...WALES Adamite, hiibnerite, xliv Billingham anhydrite mine, Durham: aph~hitalite(?), arsenopyrite(?), epsomite...172 Blaen-y-Nant, Nant Francon, Caernarvonshire, North Wales: chlorite, gar- beudantite, carminite, mimetite |  | | Report (volume) | | Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=)...1208 * Economic Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________...in pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution...geologic map and sections of the Idaho Springs district. 3. Geologic section along the Big Five tunnel |  | Lanier, G., Raab, W. J., Folsom, R. B., Cone, S. (1978) Alteration of equigranular monzonite, Bingham mining district, Utah. Economic Geology, 73 (7) 1270-1286 doi:10.2113/gsecongeo.73.7.1270 | Journal (article/letter/editorial) | | Alteration ofEquigranular Monzonite, Bingham Mining District,Utah G. LANIER,W. J. tβ’AAB,tβ’. B. Fonsoβ’, ANrβ’S...unmineralized Last Chance stock ad- jacentto the mine. Mineralogyand chemistryof the alterationis quantifiedin...altera- mine vicinity had essentiallythe sameprealteration tion of the Bingham mining district is describedin...phasesduring three field mapping programsby outside the mine. Several samplescontainedminor Kennecottgeologists...Analysesof Augire from the Last Chance Stock and Phoenix Dike Weight percent oxides (;rains Sample 71-12 |  | | Report (volume) | | Mary Creek__-------__---------Orthoclase-quartz-oligoclase gneiss. _____---_---__--_--.._. Marble and associated...Mountain area________________________________Area north of Curlew__________________________________ Conditions..._____________________________------_-_-__-------Mine workings.--_--_-_-___----______________________----Geology..._____________________ Morning Star mine.--_--___-_--__-____________________-_______ Lancaster mine.-.._______________... Geologic map of the Lone Star mine. 4. Map of the Morning Star mine and geologic map of part of its |  | | Thesis/Dissertation | | TDfl SbQ AEEAL GEOLOGY OF 0?HS CREEDE DISTRICT, COLORADO. By ' X ESEBR S* H B LARSEIT. ...Approved: The Areal Geology of The Greede Mining District, Esper 3. Larson. COKTEIIT3 Chapter I. ...and outcrops. Distinction from other rhyolltea. Phoenix Park quarts latlte, General character and distribution...v" A/ T ^.iivi'i.iijXi Equity Fault. ~ T- re Mine poiti^, ) Fault block of Mammoth Mountain. Bulldog... Location and topography.- The Creede mining district is in Mineral County, southwestern Colorado, |  | | Journal (article/letter/editorial) | | The large variety of minerals and gemstones in North Carolina annually attracts thousands of collectors...over the world. Some Mineral Collecting Sites in North Carolina T H E C O L L E C T I N G L O C A L I T...McKenzie's publication Mineral Collecting Sites in North Carolina: Information Circular 24 (1978). For a...this publication, which can be ordered from the North Carolina Department of Natural Resources, Geological...Geological Survey Section, P . O. Box 27687, Raleigh, North Carolina 27611. The price is $5.00 plus 4% sales |  | | Report (issue) | | the 1845 discovery of the Cliff Mine ( first in the world to mine native copper as its sole product)...product) instilled confidence in North Country mining and initiated the modern mining era. Choice 'Lake Copper'...never documented by geologists working in the district during its decades of maximum activity. Hence...districts also was 1911 to 1920. The Marquette district peaked during 1941 to 1950. With declines in both...HOUGKTON AND KEWEENAW COUNTIES MARQUETTE IRON DISTRICT, MARQUETTE COUNTY IRON AND DICKINSON COUNTIES |  | | Report (issue) | | Structural Control of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY...Structural Control of Ore Deposition in the Creede District San Juan Mountains Colorado , By THOMAS A. STEVEN...______________________________ . Quartz latite neck and flows north of Nelson Mountain ________________________________________...Moses mines area _____ _ Phoenix Park area _________________________ _ Upper East Willow Creek area ______________...Solomon-Holy Moses fault _________ _ Faults in Phoenix Park _____________________ _ San Luis Peak cauldron |  | | Report (issue) | | suites in Grenvillian terrane of the Roseland district, Virginia Part fo Lithologic relations: ovis 5...province in North Carolina and Tennessee, as well as smaller gneiss domes of Tennessee, North Carolina and...less important massifs form a second chain to the east. Here, Grenville rocks form the Hudson Highlands...Maryland; and the Sauras Massif of North Carolina. Still farther east are the isolated Grenville rocks...Appalachiansβthe real boundary between the craton of North America and that of the AfricanEuropean mass with |  | | Report (volume) | | ___-__ 11. Gravity and topographic profiles across north end of Jackson Mountains. ___-_________________...sedimentary rocks are widely distributed along the east side and south end of the range. The most extensive...exposed from Rattlesnake Canyon northeastward to the north side of Deer Creek Peak. The thrust has brought...buried beneath the alluvium some distance to the east and west of the range. Ore deposits in the range...miles south of the 41st parallel and about 3 miles north of lat. 41Β°30' N. The location of the range with |  | | Journal (article/letter/editorial) | | RoanAntelopepegmatiticfeldspar.................... 967 Phoenix muscovite .......................................Mufulira West 4. Nkana 15. Sachenga mica claims 16. Phoenix mica claims 5. 6. 7. 8. 9. 10. Lyland's Quarry...Bukandaprospect 18. NkombwaHill 19. Mivula Hill 20. Aries Mine 21. Chapalapatagranite 22. Lusandwasyenite 11....metavolcanicsand altered basic intrusives, with a dominant north-east trend. Intense deformation,metamorphismand granitization...evidence that the Muva, which extends as far north-east as Isoka, is also representedby quartzitesand |  | | Report (issue) | | Fluorspar__ _ ___________________________________ Daisy mine.___________--__----_----__-_-_Geologic setting....Hills caldera near Beatty. 6. Mine workings of the Daisy fluorspar mine. 7. Geologic map of levels 3,...8, Daisy fluorspar mine. 8. Geologic map of levels 9 to 13, Daisy fluorspar mine. 9. Longitudinal and...and cross sections of the Daisy fluorspar mine. FIGTTKE 1. View of Bonanza King and Nopah Formations in...Nye County, Nev., and eastern Inyo County, Calif., east of Death Valley, is underlain by Tertiary volcanic |  | | Report (issue) | | NORTH CAROLINA DEPARTMENT OF CONSERVATION WILLIAM DIVISION JASPER P. OF L. SAUNDERS, MINERAL...RESOURCES GEOLOGIST Circular 16 LOCALITIES NORTH OF CAROLINA BY JAMES F. CONLEY Doc NC DENR.......... ACKNOWLEDGEMENTS MINERAL COLLECTING IN NORTH CAROLINA , . . . . # . WHERE TO COLLECT f ... f...f ... . . 1 2 3 5 THE MINERAL LOCALITIES OF NORTH CAROLINA BY COUNTIES . . ALAMANCE COUNTY 5 5...Actinolite. 0 , f # Minerals of the Hamme-Tungsten District . Amethyst Kyanite 0 \ \ . .."..... . Beryl |  | | Report (volume) | | Geology of Part of the Alder Creek Mining District Custer County, Idaho GEOLOGICAL SURVEY BULLETIN...1252-A Geology of Part of the Alder Creek Mining District Custer County, Idaho By W. H. NELSON and C. P...and metamorphic rocks of the Alder Creek mining district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...recovered metals at the Empire mine, 1901-42._ Production of the Horseshoe mine, 1916-28_________________...GEOLOGY GEOLOGY OF PART OF THE ALDER CREEK MINING DISTRICT, CUSTER COUNTY, IDAHO By W. H. NELSON and C. P |  | | Journal (article/letter/editorial) | | black tourmaline crystal was noted in the Luella mine near Avon, Latah county, Idaho, which measured 3x3x8...length. Other crystals have been noted at the Baer mine near Orange, New Hampshire, to 10 inches in diameter...Dakota; deep blue tourmalines at the Chickering mine near Walpole, New Hampshire; others from a few of...beryl at the Himalaya mine, Mesa Grande, California; and also from the Rutherford mine at Amelia, Virginia...Hampshire, Massachusetts, Connecticut, New York, North Carolina, Georgia, Colorado, New Mexico, Idaho, |  | | Journal (issue) | | International Geoconsultants, P.O. Box 6084, Pietersburg North, 0750, South Africa 2 Tim Nutt & Associates, P....discounting the contribution of the Globe and Phoenix Mine (the countryβs second largest producer), the...40t of gold from the Globe and Phoenix Mine and 17t from Rezende Mine, it also illustrates the importance...131 744.01 3.4 100.0 1. Ayrshire and Inyanga North group 2. Only for mines exceeding 311 kg (Foster...Since 1994 the contribution of the Freda Rebecca Mine (currently Zimbabweβs largest producer at c. 3.3 |  | | Journal (article/letter/editorial) | | reconnaissance examination of the Precambrian area north of Cotopaxi, Colorado, the senior author revisited...were supported by a grant from Michigan Memorial Phoenix Project, No. 204. History of cenosite.Cenosite...Sjiigren recorded a second occurrence at the Ko mine, Nordmark, Sweden.The mineral was next found in...reported in traces . . . in the nearby Greyhawk Mine" (Robinson, written comm., see also, Robinson, 1960)...southern ends, in T.48 N., R.12 E., about 3| miles north-northeast of Cotopaxi, Fremont County, Colorado |  | | Journal (article/letter/editorial) | | also analysed five monazites from t*he Shelby district. Norbh (βarolina; two are from quartz monazite...monazite from different pegmatites in a single district show any composiCona1 variation. 3. General compositional...for cerium. (;EOI,OGY OF THE tiPECIMENS Petaca District, New Mexico The geology and mineralogy of the...Monazites from the following deposits were analysed: 1. North Star pegmatite. Tablets occur up to 1 in. long and...somepegmatitiomonazites Elk Mountain District, New Mexico The Elk Mountain district, in San Miguel County, also |  | | Journal (article/letter/editorial) | | glaucophane have not yet been found in the Nelson district. Instead the known part of the lawsonite-bearing...glaucophaneschist facies,jadeite or lawsonite. Similarly on its east side, the lawsonite belt is separatedby some comparatively...Celebes under the leadership of H. A. Brouwer, North Holland Publishing Co., pp. 65-173. McKrn, Berss...Black Cloud pegmatite, which is exposed800 feet north of U. S. Highway 24, 2.3 miles west of Divide in...supported by a grant from the Michigan Memorial-Phoenix Project Fund, Project 150. This study is part of |  | | Report (volume) | | 718 GEOLOGY AND ORE DEPOSITS OF THE ' CREEDE DISTRICT, COLORADO BY WILLIAM H. EMMONS AND ESPER S....other rhyolites................................... Phoenix Park quartz latite...............................the lodes................................... 128 Mine waters...................................................................... 134 Exploration of district................................................................................... 142 Bachelor mine................................................ |  | | Report (volume) | | _-_---___ Geology of the McCalls Ferry-Quarry ville district. ________________ Pre-Cambrian rocks of sedimentary...origin..__________________ Pre-Glenarm rocks of the Mine Ridge upland__.______._. Baltimore gneiss._.___-__-_--__-____...____-___-__--__._-__ 14 15 15 15 18 18 18 18 24 25 25 Oligoclase-mica schist f acies _-___-_.-_.____-.___ 25...Mountain and vicinity.... Paleozoic stratigraphy of Mine Ridge upland and vicinity._ Lower Cambrian rocks...rocks of the McCalls Ferry-Quarry ville district..-----._---_-_-..---------_----_---_-______._ Chickies quartzite |  | | Report (issue) | | Hill mine ________ . :. __________ .:. Other eastward-dipping veins_____________ Boundary mine ___ .:...westward-dipping veins____________ Golden Center mine ____________________ ~ ____ History and product...____ North Star mine____________________________ History and production__________________ North Star...the west side of the granodiorite area-Con. North Star mine-Continued. Yvein________________________________...__ __ Allison Ranch mine_____________________ Phoenix mine__________________________ Other veins of the |  | Runyon, Simone E., Nickerson, Phillip A., Seedorff, Eric, Barton, Mark D., Mazdab, Frank K., Lecumberri-SΓ‘nchez, Pilar, Steele-MacInnis, Matthew (2019) Sodic-Calcic Family of Alteration in Porphyry Systems of Arizona and Adjacent New Mexico. Economic Geology, 114 (4) 745-770 doi:10.5382/econgeo.4661 | Journal (article/letter/editorial) | | Department of Geosciences, University of Arizona, 1040 East Fourth St., Tucson, Arizona 85721-0077, USA of...Ninetysix Hills in Arizona and the Central mining district in New Mexico. These new occurrences are compared...deposit (Pima district), the Ajo mining district, the Tea Cup pluton (Kelvin-Riverside district), and the...Ninetysix Hills in Arizona and in the Central mining district in New Mexico. These results are used to assess...Kelvin-Riverside district, Arizona The Tea Cup system is located in the Kelvin-Riverside district ~96 km north-northwest |  | | Report (issue) | | Quartz-potassium feldspar gneiss β ββββ’ βββββ’- ββββ Oligoclase-quartz gneiss βββ- βββ’ ββββ’ βββ- ββββββ β Garnet-biotite...plutonic rocks β ββββ’ ββββββββββββ βββββ Albite-oligoclase granite and related pegmatite β Microantiperthite...marble belt β ββββββββββββββββββ - β !flie Ahles mine βββββββββββ ββ’ ββββββββββ’ β Mines in gneiss βββ’...Kaiser mine βββββββ’ ββ’ βββββββββ - βββ !flie Barton mine - ββ βββββββ β βββ’ βββ βββ Olie Pequest mine ββββββββββββββββ...ββββββββββββββββ ββββββ The Washington mine β β - ββ-- - βββββββββ ββββ’ Origin of the magnetite deposits |
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