 | | Report (issue) | | the following page) from the open-pit magnesite mine at Podrečany, Czechoslovakia (now just Slovakia)...an August 2013 find of siderite in the Milpillas mine, Sonora, Mexico. If siderite specimens from Milpillas...last autumn from a huge pocket in the Milpillas mine (see the print report coming up in May-June). Rob...pocket found in a contact zone between oxidized ore and unaltered chalcocite below; all of the specimens...========== Siderite, 5 cm, from the Milpillas mine, Cuitaca, Sonora, Mexico. Arkenstone specimen; Joe |  | | Book (edition) | | Atlases in Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Atlases... Atlases in Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Bernhard...difficult to gather the vast amount of different ore minerals included in the atlas, I am very much obliged...respect to genetic interpretations and ore petrography, Ramdohr’s “The Ore Minerals and Their Intergrowths”...supplemented by colour photos for as many different ore mineral species as possible; this is done here. All |  | | Book (edition) | | ATLASES IN GEOSCIENCE, 3 The Ore Minerals Under the Microscope An Optical Guide This page intentionally...intentionally left blank ATLASES IN GEOSCIENCE, 3 The Ore Minerals Under the Microscope An Optical Guide Edited...Selenium and Tellurium > 1:1 Chalcocite II/B.01-10 Djurleite II/B.01-20 Digenite II/B.01-30 Anilite II/B.01-50...difficult to gather the vast amount of different ore minerals included in this atlas, I am very much indepted...1/3 to 1/50 Preface Having been involved with ore microscopy for many years, I came to the conclusion |  | | Journal (article/letter/editorial) | | of “dognácskaite” from Dognecea (Caraş-Severin County, Banat, Romania), a poorly described substance...once considered a Cu–Bi sulfosalt, were studied by ore microscopy, SEM, EPMA, and XRPD methods. One of the...is in turn rimmed by copper sulfides (mainly djurleite with some covellite). Emplectite can also be found...– chalcopyrite skarn ore replaced by a post-skarn hydrothermal bismuthinite ore, later affected by supergene...former Petri-Pauli (or Péter-Pál), now Petru şi Pavel mine on Mt. Danilii. Keywords: “dognácskaite”, bismuthinite |  | | Journal (article/letter/editorial) | | relatively unexplored except for sparse work on ore-forming environments. For instance, Hettmann et al...microcline sample from Eagle County, Colorado (EAG-M), and a biotite sample from Maria Mine, Cananea, Mexico (MAR-2-B)...concentration readings) to over 1.5 weight percent for Långban, Sweden phlogopite (LB-P). Furthermore, lead isotope...Hettmann et al. (2014b) demonstrated Tl enrichment in ore-stage amphiboles, therefore a more thorough investigation...relationship between overall Tl enrichment in minerals and ore deposit or geologic setting. There has been a long-noted |  | | Journal (volume) | | with minor hematite on cream dolomite. Florence Mine, Egremont, Cumbria. David Green photograph. BACK...2012 PAPERS Geology and mineralisation at Florence Mine, Egremont, Cumbria Brian Young 3-18 A geochemical...of type mineral species at the Benallt Manganese Mine, Rhiw, Pen Llŷn, Gwynedd, Wales Tom F. Cotterell...experience of an underground tour of the Florence Mine in Cumbria. With the closure of Florence, it is...account. The unique legacy of another important mine, Benallt Mine on the Lleyn Peninsula, North Wales, is reviewed |  | | Journal (volume) | | Alpine-type fissure veinlets in the Cambrian manganese ore bed, Harlech, Wales Tom F. Cotterell, John S. Mason...Trevor F. Bridges 61-65 A report on Westernhope Old Mine, Weardale, Co. Durham Trevor F. Bridges Journal...deposits at Långban in Sweden, the Kombat Mine in Namibia, and the Mammoth St. Anthony Mine in Tiger, Arizona...from localities around Bristol such as the Wesley Mine and Coombe Farm and from other quarries around Frome...localities around Priddy including the Higher Pitts Mine. Consequently, we have good knowledge of these particular |  | | Journal (volume) | | Gerstmann, the updated mineral species list for the district (“The List”) with an explanation of why and how...knew we were up there with Bisbee and the Pala district, but it was good to see this acknowledged at the...told he could get rocks for free off the several mine The Picking Table, Volumes 48-49 - Combined Issue...if I would win his collection, or if he would win mine. I could not take such a gamble. Ewald could. One...made the first of many three-hour drives to Sussex County and met with the usual dealers at the time: Stanley |  | | Journal (issue) | | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...bornite, chalcocite, colusite, covellite, digenite, djurleite, and enargite rank among the finest in the world...the Butte mining camp, especially in the Kelley mine, was just full of vug holes . . . the holes, some...located in Butte, at the site of the old Orphan Girl mine. . . . So wrote a trainee miner, Jerry Dolph, concerning...an underground stope at Butte, Montana’s Kelley mine in the early 1970’s (Dolph, 1994). The wonderful |  | | Journal (issue) | | Smithsonietkristallen van Kintore opencut, Broken Hill South Mine, Broken Hill, Yancowinna Co., New South Wales, Australië...(27 karakters) van de Greenwood mine, Town of Tuxedo, Orange County, New York, USA. 23 x 15 x 12 mm....Macromineralen': 'Kolweziet van de Mashamba West Mine, Lualaba, D.R. Congo' Link: www.minerant.org/MM...56(8), 10.23 193-207 La calaverite de la Cresson mine, Cripple Creek, CO, USA 208-214 La leifite et le...Mineral oddities and mysteries 3/9 Ther Tenderfoot mine: mining myth or lost subterranean treasure? 5 New |  | | Journal (issue) | | May–June, 2017 Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany.................................. 319 Geology and Ore Mineralization ....................................working in the lode” (Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: it...century after mining ceased in the St. Andreasberg District, the locality remains secure in its fame among |  | | Book | | Azurite crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E... . . . . . . . . . . . Volcanogenic-Sedimentary Ore Deposits . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . Weathering of Sulfidic Ore Bodies . . . . . . . . . . . . . . . . . . . . ....the Medieval Latin word mina = shaft (minare = to mine). The antique people, e.g., the Greeks and Romans...rotation axes ||a1, a2, a3. Examples: important ore minerals like pyrite, skutterudite (7 Sect. 5.3) |  | | Journal (volume) | | Geographical Investigations in Greenland and Kryolith-Mine- og HandelsSelskabet (hereafter referred to as the...and their Greenlandic assistants at the cryolite mine at Ivittuut (Ivigtut), Greenland 1900. Photo: Geological...uranium ore and the first attempts at developing a method of extracting the uranium from the ore. The ore...ore was found to be refractory and impossible to treat with conventional acid or carbonate leaching methods...of sulphatising roasting of the ore was designed. In 1962 180 t of ore were taken out in a 20 m long adit |  | | Book | | comment that aerugo can be scraped from natural copper ore (König, cf. Kühn, 1993a) it is clear that this refers...in chlorine-rich environments (especially in acid mine waters; Schwertmann and Cornell, 2000). It is named...named after its type locality at Akagané mine (Iwate Prefecture, Japan), where Nambu discovered it in...Sonora, Mexico and has also been found in the Tsumeb Mine of Otavi, Namibia and in the Altai Mountains in...Spain probably derives from the existence of a tin mine in Spain that had been in operation since antiquity |  | | Book (edition) | | comment that aerugo can be scraped from natural copper ore (König, cf. Kühn, 1993a) it is clear that this refers...in chlorine-rich environments (especially in acid mine waters; Schwertmann and Cornell, 2000). It is named...named after its type locality at Akagané mine (Iwate Prefecture, Japan), where Nambu discovered it in...Sonora, Mexico and has also been found in the Tsumeb Mine of Otavi, Namibia and in the Altai Mountains in...Spain probably derives from the existence of a tin mine in Spain that had been in operation since antiquity |
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