 | | Report (issue) | | (see under “Galleries”) are a few crystal groups of gold from a find in September 2015 at Serra do Caldeirão...2016 issue now being printed), this is marvelous gold and there’s plenty of it: hundreds of first-rate...tortured-looking, are sharp-edged all around: the gold stayed “in place” once weathered out from its host...web dealers besides Rudolf now also have the new golds from Brazil, but to get a feel for how good they... who is also offering fine gold specimens from the new occurrence. Gold, 1.9 cm, from Serra do Caldeirão |  | | Book | | minerals. From precious native elements such as silver, gold and copper to complex silicates such as vesuvianite...pride of any geological collection. From the green, gold and blue iridescent sheen of labradorite to the...(bottom), also known for obvious reasons as 'fool's gold'. stone lying there. To start with, they probably...of an ancient treasure, lapis lazuli. Copper and gold were first used at least 10,000 years ago. They...times. colour makes them easy to see. Copper and gold were both too soft to make tools from, but the discovery |  | | Book | | edition by a team organized by Prof. Dr. C H R . AM S T U T Z (with additions and corrections by the...completing it more rapidly t h a n I can now; since I am more burdened by work of all kinds t h a n ever before...minerals associated with strongly radioactive ones. I am convinced t h a t in the future much new knowledge...comparative study from colleagues, institutes, and mines; many samples were collected by the writer himself...lead to a new and very voluminous book! I hope and I am convinced t h a t the new form of this book will |  | | Journal (issue) | | meeting will be held on Saturday, February 14 at 8:30 am in the lounge of the Hotel Tucson City Center (formerly...across (21.5 cm tall). Erzberg, Eisenerz, Styria, Austria. (Hoppel Collection D0120) Mark Mauthner photo;...Tucson is almost upon us and, like many of you, I am (to say the least) anxiously anticipating the Big...theme is “Minerals of Western Europe,” and as such I am looking forward to seeing many examples of the great...candidates will be new to the elected board, and I am pleased that they are willing to contribute in a |  | | Book | | (bottom), also known for obvious reasons as ‘fool's gold'. and there in the stone you may actually see fossils...deep underground, such as those in the Austrian Tyrol and in Cornwall. Again, locating these sources required...practical dug mines to get at them underground. geological skill as they Copper and gold were first used...great unconformities (see Reading the Copper and gold were both too soft to geology book, De Re Metallica...as nickel years and some brand new - and is and gold that combine readily with rarely more than 10km/6 |  | | Journal (article/letter/editorial) | | mineralogical literature of one of America’s greatest mines. It was written by a geologist who likely has the...enargites, unusual fluorites, odd galenas, unusual golds, nice molybdenite crystals, good rhodochrosite and...familiar copper species as malachite, azurite, covellite, and cuprite, although these minerals do occur...multiple pages are devoted to important species such as gold, diamond, and quartz, for example. Fundamental data...ROCKS & MINERALS graphics and cross-sections. I am impressed with the wellchosen color photographs and |  | | Journal (issue) | | DeMouthe Famous mineral localities: The Magdalena district, Kelly, New Mexico .............................Hammond Famous mineral localities: The Hansonberg district, Bingham, New Mexico .............................57 by R. S. DeMark The New Mexico Bureau of Mines Mineral Museum ...................................covers not just the Kelly mine but the Mag dalena district as a whole. This is not to say, of course, that...contributed two articles, one on the Red Cloud mines (11, 69-72) (not to be confused with Arizona’s more |  | | Journal (issue) | | ........................... Old Cook and Brown Gold Mine Open to Public 506, 569, 574 511 515 523 528...of the Mother Lode Mineralites of Auburn. 20th District Fairgrounds, Auburn, Calif. Show Chairman: Frank...these sites have been operated commercially as mines, but today all the listed localities are operated...workings of the abandoned Saunders No. 1 and 2 mica mines, The deposits, located on a series of granitic pegmatites...1928; some prospecting took place in 1944. The mines were worked for muscovite; some feldspar, quartz |  | | Journal (article/letter/editorial) | | Creek Geosyncline succession, After Rum Jungle District Special Sheet, Bureau of Mineral Resources~ 1960...pers. comm., 1970). Furthermore, blaubleibender covellite which is enclosed in grains of galena, will not...diffraction (A. TauBe, pers. comm.). Blaubleibender covellite, digenite, and bornite These three minerals are... In addition, the presence of blaubleibender covellite in the veins is evidence that they have not been...intensive study in recent years, and works by GRAF and GOLDS~ITFI (1956); ALDERMAN and SKINNER (1957); CHILINGAR |  | | Report (issue) | | Al"'EU. 74 GEOLOGY AND ORE DEPOSITS OF THE BUTTE DISTRICT, MONTANA BY \¥ALTER I-IAllVEY vVEED WASHINGTON..... ~ ....................... ~ . . . . Epoch of gold mining .......................................................................... Future of the district .................................. ·............CnAP'rER IlL-Descriptive geology of the Butte district ........................ , . . . . . . . . . .... . . . . . . . . . Quartz monzonite of Butte district.............................................. |  | | Book | | FRANCE; Curator, School of Mines, Paris %e F. HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY...SCHUBNEL, Pro- Ye JOHN fessor and author, School of Mines, Paris, FRANCE SINKANKAS, author and collector...epidote are omitted, how is it possible to select two golds, two silvers, two rhodochrosites, and two siderites...localities: the Egyptians were working gem and gold mines on the Upper Nile River, the Greeks were busy...the civilized world was now widely using bronze, gold, silver, and lead, no systematic method for the | | | Book | | FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY...H. J. SCHUBNEL, Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector...epidote are omitted, how is it possible to select two golds, two silvers, two rhodochrosites, and two siderites...localities: the Egyptians were working gem and gold mines on the Upper Nile River, the Greeks were busy...the civilized world was now widely using bronze, gold, silver, and lead, no systematic method for the | | | Book | | FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN, Professor, School of Mines, Freiberg, east Germany...j. schubnel, Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector...epidote are omitted, how is it possible to select two golds, two silvers, two rhodochrosites, and two siderites...localities: the Egyptians were working gem and gold mines on the Upper Nile River, the Greeks were busy...the civilized world was now widely using bronze, gold, silver, and lead, no systematic method for the |  | | Journal (issue) | | tgressman@comcast.n et The Musonoi mine, Kolwezi District, Lualaba Province, Democratic Republic of the...METATORBERNITE, 6.6 cm, from the Musonoi mine, Kolwezi District, Democratic Republic of the Congo. Scott Rudolph...for the Mineralogical Record: on the Port Radium District in the Northwest Territories (1989) and on the...as a mineralogist for the New Mexico Bureau of Mines and Mineral Resources (1988-1992). In August 1992...Jersey. Despite his 70 scientific papers on the district, including an extraordinary five-volume monograph |  | | Journal (issue) | | and dealers. In 1972, he made a trip to the ore mines of Peru where he acquired many imported specimens...Dixie mine in Idaho Springs for leaf gold and crystallized gold in 1976, and that same year began importing...includes a fantastic suite of leaf and crystallized golds, fluorites, and rhodochrosites, as well as suites...suites of minerals from Mt. Antero, the ore mines of the San Juan Mts. and the Leadville area, amazonite...Calabrian dialect of that language), about Colorado gold and its localities for the mineral magazine, Rivista |  | | Journal (article/letter/editorial) | | mineralogical literature of one of America’s greatest mines. It was written by a geologist who likely has the...enargites, unusual fluorites, odd galenas, unusual golds, nice molybdenite crystals, good rhodochrosite and...familiar copper species as malachite, azurite, covellite, and cuprite, although these minerals do occur |  | | Report (issue) | | knowledge of the authors. Likewise, U.S. Bureau of Mines maps depicting locations of mining claims were used...and serves to link the map and table. Name(s) of mines or prospects are derived from published sources...Claims may or may not be active. Probably some of the gold deposits that are listed as prospects have had at...Geological and Geophysical Surveys, or Bureau of Mines field investigations. Numerous, apparently insignificant...or prospects are known only from U.S. Bureau of Mines claim maps (1974, 1977); information on these deposits |  | | Journal (article/letter/editorial) | | photographed by Jeff Scovil MAGMA Mine Pioneer District, Superior, Pinal County, Arizona LES PRESMYK ...mine has been the principal mine in the Pioneer district and the main employer in this community since...concurrent with the Silver King mine and the earliest mines in Globe and Morenci. The productive history of...in geology or mining, but they were aware of the gold found in California twenty-five years earlier and...2015). This is just one of several rich silver and gold strikes that were supposedly found by a lost animal |  | | Journal (issue) | | and coal. It is among the top three producers of gold, lead, zinc, silver, nickel, manganese, precious...officaldom give a high priority to minerals and mines in their plans to establish Australia as a new colony...de Villiers (1772-1840) in the Paris Ecole des Mines and C. F. C. Mohs (1773-1839) in Vienna. Lhotsky...the magnificent specimens which came out of those mines.) Menge had from 1838 been predicting that valuable...mining industry, lead and copper mainly, but also gold. No one denied the inspirer of colonial metal mining |  | | Journal (issue) | | of the most productive, if little known, emerald mines in Colombia is the Coscuez mine. The 14.52-ct emeraldillustrated...Ringsrud The Muzo emerald district, i n Boyacd, Colombia, contains several mines. Although the Muzo mine...the best. Yet Colombia's Muzo district actually encompasses several mines, of which two are currently major...emeralds mined in Colombia come from the Muzo district, and the Coscuez mine has grown to become the... he revisited the mine as a guest of Colombian Mines Co., a major stockholder of ESMERACOL, the present |  | | Catalog/List | | transparent group of to.bular 3. 20. BARYTES. United Mines,St.Day,Cornwall.(Ex.Christie Collection). little...Limonitic coating ..3x2~1i 11 ,~8"00. 60 .. COVELLITE. Summitville,Rio Grande Co. ,Colorado,U.S.A Brilliant...1en A.1-½x1½x1-¾il,.Z10,00. B.1½x1~1",Z6 61. COVELLITE. Leonard Mine,Butte,Montana,U.S.A. Now extremely...DESMINE/EPIDOTE/ORTHOCLASE.Striegan,Schlesion,Austria. Choice smaller specimen in plastic display box...1ix¾x-} 11 ,23.00. • 112. MALACHITE.Kolwezi District,Shnba Prov. ,Zaire. Choice lustrous green 'pimply' |  | | Journal (issue) | | of volume 2 of G.E Williams's 1902 The Diamond Mines of South Africa depicts the author's collection...of Gardner F. Williams's two-volume The Diamond Mines of South Africa, 1902, of which only 100 copies...document the gems (figure 5), personalities, and mines of South Africa in the late 1800s. Sir William Croolzes...visits in 1896 and 1905 to the South African diamond mines and his research into the nature of diamond and...(below) alluvial mining operations for the recovery of gold and diamonds. REFERENCES Adams ED. (1938) The Birth |  | | Journal (article/letter/editorial) | | Beautiful blues, blue greens, and greens from Nevada Mines. McGinnis, Cedar Mt., or Gabbs all in matris @ $15...$6.50 P.P. Route 6, Brewster, New York. 1 0509 COVELLITE — From Butte, Montana. 1" to 2" specimens $1.50...SHIPMENT: LABRADORITE — Ma dagascar, blue, green, gold, Vz oz. $3.50. Kundalilla amethyst, deep purple...quartz, beautiful large specimen $4.00. Ancient gold coin (India) $10.00. J . Murphy, Box 8823, Fountain...material, high grade. Crushed, screened. Lots of golds, reds, blues, some blacks. 850 per pound, plus 17* |  | | Journal (article/letter/editorial) | | Beautiful blues, blue greens, and greens from Nevada Mines. McGinnis, Cedar Mt., or Gabbs all in matris @ $1...$6.50 P.P. Route 6. Brewster, New York. 1 0509 COVELLITE — From Butte, Montana. 1" to 2" specimens $1.50...SHIPMENT: LABRADORITE — Ma dagascar, blue, green, gold, Vi oz. $3.50. Kundalilla amethyst, deep purple...TUMBLING MATERIAL — Large variety of Blues, Reds, and Golds. High Polish. 85(2 per lb. plus 17(2 per lb. postage...Minerals. Route 1, Box 498A, Sandston, Va. 23150 GOLD — Crystalline type, $2.50. Placer, $2.50. Cold-bearing |  | | Journal (issue) | | Advertising Manager Thomas P. Moore Tpmoorel@cox.net A gold specimen from the Spanish Dry Diggings, Eldorado...Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...mineral room wall. And in 2016 we began presenting gold medallions-large pins with a magnetic clasp--that...IHI1IJNGA1llY. Figure 1. "Internal view of the silver mines near Schemnitz, in Hungary" published by C. Brightly...Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V INTRODUCTION |
|
