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| such famous mining centres as the Mitterberg in Austria, Kargaly in Russia, the Great Orme in Wales, and...conducted in Austria in the late nineteenth century. The early work at the Mitterberg mines near Salzburg by Matthäus...Radivojević, Thomas Stöllner, and Simon Timberlake. I am particularly grateful to Nick Hogan and James O’Driscoll...indeed was my new best friend, Google Translate. I am grateful to University College Cork for providing...3. The mineralization of the Great Orme mine, north Wales 9 Fig. 1.4. Base metal metallogeny and |
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| a few such specimens have been found after 1960 (see the Amity-Edenville entry for Edenite and Spine!)...is not common in the metasedimentary rocks of the area which host these species, but "reasonably good"...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...to 2 cm which are pseudomorphs after bastnasite--see photo in Guastoni, Pezzotta and Zorzi (2008). ILMENITE... r ILMENITE QUEBEC Girardville, Lac Saint-Jean area. Just northwest of the town of Girardville, itself |
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| Asia. The general boundaries are therefore: in the North, Britain and Scandinavia, in the South, the Mediterranean...his views on the copper mines of Gt Ormes Head in North Wales. I would also like to thank the many archaeologists...Studies also kindly supplied up to date material. I am also grateful to Professor B. Jovanovic of the Institute...What must be remembered is that progress travelled north from the Near East and the Balkans in early Neolithic...Level surface, (b) steeply dipping terrain or cliff face. All seams outcrop at the surface unless laid down |
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| available these can be obtained from: Mrs. J. Spence, (see above). E. Otty ADVERTISING R. Watson For details...belt. An old open level was investigated on the north-east side of a hill 1.5 km N. W. of Bontddu. A small...being undertaken in other trials and mines in the area, and it is to be hoped that from time to time other...section crystals covering a 1.5 x 1mm vugh in chalcopyrite-quartz veinstone, associated with aragonite...dominated by two broadcasting towers. In a small area in the city are the stock exchange, banks and mining |
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| 8QQ. Printed by: Acorn Print Media, Quorn House, North Road, Loughborough, Leicestershire, LE11 1LE. Published...Tayler 26-32 A review of the mineralogy of the area around Markfield, Leicestershire Francis Ince 32-44...32-44 A review of the mineralogy of the area around Groby, Leicestershire Francis Ince 44-62 A report...fluorspar may yet see a resurgence of interest in re-evaluating deposits in the north of England, and it...Roughton Gill Mine worked a number of veins in the north face of Iron Crag, of which the Roughton Gill South |
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| Continued. Piedmont region Continued. . Virgilina district Continued. Bocks Continued. . Age relations.....(Southwest Mountain)_____________ 89 89 Triassic area (Londoun, Culpeper, Orange, and Ainherst counties)...Amphibolite dike_______________________________ 126 North Carolina____________________________________ 127...lenticle of vein exposed in railway cut, Virgilina district, showing concentric slate shells,____________:_...lying adjacent to fissures____________:_________ 12. Face of the 300-foot level south in the Holloway mine |
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| ILLUSTRATIONS Folio 1. Folio 2. Plan maps, Empire mine area, Plates 1 to^S. ,/ Sections, Empire mine. Plates...mine, principal mine in the Alder Creek mining district, is situated in the White Knob Range, about six...Pacific Railroad and is also accessible from the north and south by U. S. Highway 93-A. The Empire'mine...the surface.' The copper ores are composed-of chalcopyrite, pyrite, and pyrrhotite in'coarsely granular...galena, marmatitic sphalerite, pyrite, and some chalcopyrite. Oxidation of these deposits has also been extensive |
 | | Journal (article/letter/editorial) |
| ............ Igneous rock relationshipsin the district ................................. Sedimentaryrocks...surroundingrock as the porphyriescrystallized. Most chalcopyrite,the main primary copper-bearingmineral, is distributed...earlier cracks. The groundmasswhich contains the chalcopyrite is composed mainly of aplitic-texturedK-feldsparand...stocklikebodiesare found in the northernand easternparts of the district. They are generallyunalteredand barren. In general...by company geologists whostartedworkin the Ely district afterI hadcompleted thefieldworkfor thepresent |
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| _______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ General...Lower Uncompahgre (Ouray or Paquin) district.__________ Telluride district _________________________ Sneffels...district____________________________________ La Plata district._________________________ Engineer Mountain d...district________________________ Burrows Park (Whitecross) district-.___________________ Carson Camp district____ |
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| Russell Society’s 2017 ASM Weekend to be held in north Wales. It promises to be a really good event and...period of renovation and redesign. I’ve been to see it (a report appears in the following pages) and...held for the first time in August at Leyburn in North Yorkshire and seems to have been well received....http://russellsoc.org/safety/. The Health & Safety Policy (See opposite) and the Field Trip Leaders Indemnity Form...reports interesting – and perhaps even useful. I am always open to ideas for future editions so please |
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| structure, and mineralization in the Beaver-Tarryall area, Park County, Colo., a reconnaissance report, by...Geology and ore deposits of the Shafter mining district, Presidio County, Tex., by Clyde P. Ross _______...ILLUSTRATIONS Page PLATE 1. Geologic map of Beaver-Tarryall area, Park County, Colo__ In pocket 2. Geologic sections...pocket 3. Generalized map of Beaver-Tarryall area, showing area of metamorphosed rocks and outlines of larger...of brecciated chert from locality 1, plate 23; B, Face of prospect in Mississippian chert, south side of |
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| districts, camps, and properties Continued. Helvetia district Continued. Helvetia camp Continued. Other pro...Helena mine ______________________________ Empire district-__________ _________________ General features...camps, and properties Continued. Page. Empire district Continued. Davidson Canyon and vicinity___________________...camps, and properties Continued. Page. Old Baldy district Continued. . ' Lode deposits Continued. Madera...Continued. Page. TyndalL district Continued. Lode deposits Continued. Salero area Continued. Trenton mine________________ |
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| microcline is the only other feldspar recorded. in this area. It has only been found in rhyolitic metatuffs drt...rhyolitic metatuff in lowest grade rocks in the Pilou area (23554). rn this instance epidote (2Vu, = 81o)...eight pumpellyites from the oudgoa-Boat pass. district using an electron microprobe and (ranging from...first appearance of Naamphibore in the ou6goa district is controrled by bulk-rock chemistry. This is...the composition of amphiboLes from the Ou6goa district B1ack (1973) showed a number of important features |
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| g. Skinner, 1953; Osborne and Haszeldene, 1993; see also the discussion by Worden et aI., 1995). Although...of phase change observed during microthennometry (see text for a detailed description of events). A: T...Volatile data, in conjunction with stable isotope data (see below) can be used to model fluid-rock interactions...gold mineralisation in the DolgeUau Gold Belt of north Wales, Shepherd et al. (1991) showed, by microthermometric...355±14 Ma and 363±12 Ma on different samples from the area. These were consistent with early de-watering (30 |
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| .............. ..Erosion Stu.dies in the Lake District Dr. Stephen Moreton 21 ........................ethical mineral collection, and/or to a related area such as conservation or curation. The technical...commitment to the Society as we move forwards. We face a number of significant challenges in the near future...charities. Work in this area is going on behind the scenes as I write this, and you will see the results shortly...Finally, there are challenges that affect the whole area of mineral collecting, which by now you should know |
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| Some Zinc-Lead Deposits of the Wrangell District Alaska GEOLOGICAL SURVEY BULLETIN 998-B Some Zinc-Lead...Zinc-Lead Deposits of the Wrangell District Alaska By H. R. GAULT, D. L. ROSSMAN, G. M. FLINT, JR., and...predominant ore minerals with lesser amounts of chalcopyrite in a few deposits. These deposits are at Tracy...minerals are also known or reported at the Hyder district, Whiting River, and Farragut River on the mainland...Cornwallis Peninsula on Kuiu Island, the Keku Islets north of Kuiu Island, Cholmondeley Sound and Beaver Mountain |
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| pink bipyramidal stokesite crystal, 6.5 mm long (see Figure 12, p. 43 for details). Penryn Granite Company’s...visible (top), LUV (middle) and SUV (bottom). East Face, Croft Quarry, Croft, Leics. Frank Ince specimen...Central Branch field excursions have visited this area over the years and it was, of course, one of the...thought in this article! Finally, we visit the north of England for Brian Young’s account of magnetite...aggregate; some of them since Roman times (Le Bas, 1993; see also Fenn, R.W.D. Quarrying at Croft, Part 1: The |
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| DIRECTOR ECONOMIC GEOLOGY OF THE BINGHAM MINING DISTRICT, UTAH By JOHN MASON BODTWELL WITH A SECTION ON...DIRECTOR ECONOMIC GEOLOGY OF THE BINGHAM MINING ^DISTRICT, UTAH By JOHN MASON BOUTWELL WITH A SECTION OE"...-.......---.-----------...----...- -. 20 21 24 Area and age of the intrusives. .......:.................. 25 PART I. AREAL GEOLOGY OF THE BINGHAM DISTRICT, BY ARTHUR KEITH. Geography...............--....PART II. ECONOMIC GEOLOGY OF THE BINGHAM MINING DISTRICT, UTAH, HY JOHN MASON BOUTWELL. Introduction.. |
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| Mendenhall, Director Bulletin 849 D THE MOUNT EIELSON DISTRICT ALASKA BY JOHN C. REED Investigations in Alaska...Mount Eielson district- _________ In pocket Geologic map of the Mount Eielson district.___________ In...Mount Eielson district..--. In pocket Geologic map of part of the Mount Eielson district._____ In pocket...mainly of mixed sulphides (the Eureka area in the Kantishna district, Mount Eielson, formerly known as Copper...arrive at a final judgment of the resources of the area but pointed to the desirability of further tests |
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| 1909, the writer spent 10 days in the Carrville district, Trinity County, Cal., and, incidental to other...written. In November, 1910, another visit to the district was made, but inclement weather handicapped the...The growing economic importance of this min ing district merits notice, and it is hoped that this brief...Alien, of Aliens Camp; and many others in the district. Mr. Waldemar Lindgren, chief geologist of the...Survey No. 470,1911, pp. 11-29; The Bragdon formation: Am. Jour. Sci., 4th ser., vol. 19,1905, pp. 379-387 |
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| .. ... .... ...... . ... .. .. Beaverlodge Lake area ... .. ... ... ...... ... ...... .... ... .... ......... .... ... .. . Black Lake area .... .. ... .. . Cree Lake area.. ........... ... ........ ... .......... .. Lac Ia Ronge area........ .. ..... ...... ... . . Amisk Lake area.. .... .. ... ..... ........ ............. . Falcon Lake area ........ .... Pointe du Bois area ...... ........... ... ..... ......... .. ...... ..... Garner Lake area .. .. . . Wekusko Lake area ... .. ..... ... ... Miscellaneous |
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| Monitor-Mogul district 13 ; 13 14 15 Silver King district Silver Mountain district Other gold- and...of 5 6 3 4 5 6 7 8 map Sketch claims by district in 1864 the Zaca gold-silver mine the Lost Cabin...East Carson River Crest of Colorado Hill, Monitor district Dixon gold mine Georgiana gold mine 2 8 9 10...showing mining districts Map of the Monitor-Mogul district Composite level map of the Zaca mine Map of the...industry are the principal segments of the economy. The area was first settled during the gold-silver boom of |
 | | Report (issue) |
| author with sampling in the active Friedens ville area; exploration geologist Charles G. Van Ness furnished...soil geochemical data for the Woodbury prospect (see appendix to Woodbury report with data from Van Ness...through the trace-sphalerite occurrences in the York area. IV Drs. Jacob Freedman and John W. Price of...drill site), and R. L. Schmiermund (Keystone mine area base map). Donald T. Hoff of the William Penn Memorial...communi cations. His comments on the Phoenixville district and the Almedia mine, in particular, are appreciated |
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| REPORT 19i6 Nines and Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions...Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front Range...50-square-mile area that includes the Idaho Springs and adjacent districts to the north, west, and southwest...southwest. The adjacent Central City district, which produced ores valued at more than $100 million, is...clearly the most important district in the mineral belt The Idaho Springs district from 1860 to 1959 produced |
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| Dolgellau Gold-Belt, the Snowdon Caldera and the district in between: a single late Ordovician metallogenic...Hopkirk 86 90 Linarite from Cononley Mine, Skipton, North Yorkshire John Chapman and David I. Green 91 95...workings at Clargillhead in Cumbria. Galena from the area around Clargillhead has an unusually high silver...detailed analysis of deformed pre-Acadian lodes in north Wales, copiously illustrated with reflected light...old specimen from Cononley Mine near Skipton in North Yorkshire. Cononley, the largest lead mine in the |
