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| crystals (~1 ā®m) were found on the surface of a gold nugget from Gongo Soco, an iron ore deposit in Minas...on the pre-existing gold nugget. Keywords: rosettes, oxygen-bearing palladium, gold nugget, Gongo Soco...observations on detrital PGM from the Makwiro River, Zimbabwe, have pointed to a low-temperature origin for...virtually Fe-free native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al....when Wollaston (1809) investigated samples from gold mines in Brazil, possibly from Minas Gerais [vide |
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| interest in the geo logy and mineral resources of Zimbabwe which followed the removal of United Nations sanctions...original Bulletin is the insertion of Table IIIA, Zimbabwe Mineral Production and Value, on page 114A. Due...for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic Section of the Ministry...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie |
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| Geological Society of Zimbabwe Newsletter June, 2011 Geological Society of Zimbabwe 1960 -2010 G S Z...Newsletter June 2011 Tectonic evolution of the Zimbabwe Craton in the early Palaeoproterozoic. (a) Following...Following Sƶderlund et al. (2010), the Zimbabwe craton is positioned along the eastern margin of the Superior...basin initiated. (c) Assembly of the Kaapvaal and Zimbabwe cratons, and unknown terrane, Terra Incognita...Incognita at ca. 2.0 Ga led to tectonic escape of the Zimbabwe Craton and dextral shearing in the Limpopo Belt |
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| Rd. Arlington, VA 22204 Next Meeting Program: Red-Gold and Polished Agates Volume 54, No. 1 January 2013...gorgeous sunsetāa red-gold theme that continues on the drive to the Wolverine 2 Mine. Then the fun really...unusual, and the supply is nearing exhaustion as the mine dumps are crushed for roadfill. Lake Superior Agates...Club, along with the Mineralogical Society of the District of Columbia and the Micromineralogists of the...about 2-1/4 hours to reach JMU. From the Beltway, go west on Iā66 about 65 miles to Iā81. Take the left fork |
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| famousāamazonite, aquamarine, rhodochrosite, topaz, and native gold. The geology department in the museum has strengthened...large, crystallized specimens. The John F . Campion gold collection was one of the gifts that originated...world have such fine examples of crystallized leaf gold. R. C. Hills, the geology department's second curator...mineralsāfour-inch purple cubes of fluorite from the Weardale district, hematite from Cumberland, barite from Frizington...center: Native silver weighing 10 ounces, Smuggler mine, Aspen, Pitkin County, Clorado. The specimen is |
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| Young 48 52 The Dolgellau Gold-Belt, the Snowdon Caldera and the district in between: a single late Ordovician...and Andy Hopkirk 86 90 Linarite from Cononley Mine, Skipton, North Yorkshire John Chapman and David...occurrence Mike S. Rumsey 112 120 BOOK REVIEW āāGold Occurrences in the UKāā Norman Moles Journal of...the difference. Sitting like Smaug atop a pile of gold may appeal to some. Writing a report for the Newsletter...from localities such as Tynagh Mine in Co. Galway and Pendarves Mine in Cornwall (Figs 1 and 2) serves |
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| Association's First Outing Minerals of the Forest of Dean Mine Geysers. B y E ttgene W . B larrk The Gem Department...... . 161 Miscellaneous ....... . 104 MINERALS Gold ........... ... . . 21,925 Quartz .... . .........outā¢ ing held at the historic old Forest of Dean Mine, near Fort Montgomery, Orange County, N . Y. The...caravan of 23 cars left the west end of the Bear Mountain Bridge for the iron mine, six miles away. The route...mile long ā¢ which transfers ore from a narrow-gauge mine railroad to the docks on the river paralleled the |
 | Cabral, A. R., Lehmann, B., Grambole, D., Herrmann, F. (2004) HYDROGEN IN A NATURAL Pd O COMPOUND FROM GONGO SOCO, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 42 (2) 689-694 doi:10.2113/gscanmin.42.2.689 | Journal (article/letter/editorial) |
| EXPERIMENTAL Sample material The sample material is a gold nugget about 1.5 cm across, recovered in a Knelson...concentrator at the Gongo Soco iron ore plant. This gold nugget (sample GSāAuā22) and the specular-hematite-rich...Soco are described elsewhere (Cabral 2003). The gold is alloyed with silver (~8 wt.% Ag), with subordinate...palladium (Cabral 2003). The gold nugget studied consists of fragments of gold cemented by specular hematite...commonly have higher contents of palladium alloyed with gold and inclusions of arsenideāantimonides of palladium |
 | Cabral, A. R., Lehmann, B., Kwitko-Ribeiro, R., Jones, R. D., Rocha Filho, O. G. (2003) ON THE ASSOCIATION OF PALLADIUM-BEARING GOLD, HEMATITE AND GYPSUM IN AN OURO PRETO NUGGET. The Canadian Mineralogist, 41 (2) 473-478 doi:10.2113/gscanmin.41.2.473 | Journal (article/letter/editorial) |
| (2003) ON THE ASSOCIATION OF PALLADIUM-BEARING GOLD, HEMATITE AND GYPSUM IN AN OURO PRETO NUGGET ALEXANDRE...Cocais ā MG, Brazil ABSTRACT An ouro preto (black gold) nugget from Gongo Soco, Minas Gerais, Brazil, has...assemblage of hematite and gypsum hosted by Pd-bearing gold. The hematite inclusion is microfractured and stretched...stretched. Scattered on the surface of the gold is a darkcolored material that consists partially of PdāO...oxidized (supergene) zones of gold deposits, the hematiteāgypsumbearing palladian gold nugget was tectonically |
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| OBITUARY Muriel Agnes Arber, 1913-2004 For so meo ne who had such a cen tral ro le in the Associa tion...draft a form al ob ituar y of the usual form for Muriel Arber, who died at Cambridge on 10 May 2004, aged...in som e ways. tha t seems more appropr ia te. Muriel was a very modest person , while in no way retiring...ll to be elected to the Ro yal Society ( 1946). Muriel' s life and work in Geo logy did much to remind...ieties she favoured), in the Association's archives, Muriel Arber is recorded onl y in informal photogr aphs |
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| Drilling a stone............................... p. 12 Gold and diamond: Things in common........... p. 12 Pyrophyllite...that at least some yellow zincite from the Sterling Mine fluoresces yellow-green under shortwave ultraviolet...Capitol Area, and the Mineralogical Society of the District of Columbia. Fred also served as a bulletin editor...grandchildren, and his dearest companion for over a decade, Muriel Frink. A memorial service was held at Arvada Presbyterian...Tomorrowā In Christās Name. Kathy Hrechka with Muriel Frink, friend of the family since 1940. She cared |
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| CRIPPLE CREEK! A QUICK HISTORY OF THE WORLDāS GREATEST GOLD CAMP by Leland Feitz Revised Edition Copyright... Colorado Leland Feitz The author has been a Gold Camp enthusiast since his first trip there in 1945... A Quick History of Cripple Creekās Red-Light Districtā, āCripple Creek Railroadsā, āVictor, A Quick...the distant Sangre de Cristo peaks rimming the far west edge of the bowl encircling Cripple Creek, we have...readers of Cripplecreekania anecĀ¬ dotes. This famous gold camp has intrigued artists, writers and historians |
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| Hilton the foremost painter of desert scenes of the West. His oils are hung in galleries throughout the United...GOBLIN VALLEY 32 Ronald J. Neldner MOUNTAIN OF GOLD 34 John W. Robinson THE BARSTOW WAY STATION ...wildflowers in majestic bloomāyou name it in the West and Josef has shot it. Not long ago I called his...IntermounDesert Magazine Book Shop. Please add 25c per tain West nearly a century ago and offers order for handling...would several books, other publications and pick the gold out of his teeth as quickly as they pulled nails |
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| field trip of the Society to the Griggstown copper mine on Sunday, April 16, 1950. Sunday, however, dawned...the way and the feeling of spring in the air. The mine is on the Griggstown Coppermine Farm, about 2 miles...five day trip to the Southern Illinois fluorite district, in Hardin County, Illinois. This trip was made...Jenni on "GĆ©odes of the Warsaw formation of the Mid-West." Colonel Jenni majored in Geology and Paleontology...beautiful blue amazonstone comes from Virginia while West Virginia has fossils with pyrite inclusions. North |
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| temperatures: evidence from a palladian gold nugget (Gongo Soco iron ore mine, Minas Gerais, Brazil) A. RAPHAEL...other hand, gold may contain significant amounts of alloyed palladium. A nugget of palladian gold, obtained...auriferous vein (ājacutingaā) of the Gongo Soco iron ore mine, QuadrilaĢtero FerrƵĀ“fero, Minas Gerais, allows...brecciated and consists of fragments of palladian gold [Au0.79Pd0.09Cu0.07Ag0.04Hg0.01] with inclusions...[Pd11Sb2As2], cemented by kaolinite-hematite-palladian gold infill. The isomertieite inclusions are preferentially |
 | | Report (issue) |
| VERSION By Donald L. Everhart With Mineral Tables By Muriel Mathez May 1951 Ei- 4 -3 Division of Raw Materials...... . . . . ā¢ . . .ā¢ 3- 4 4 4,- 6 Shinkolobwe mine, Belgian Cangp . , . . . ā¢ Vein deposits in the...Summary by Donald L. Everhart Mineral Tables by Muriel Mathes INTRODUCTION In an effort to stimulate...silicification. Shinkolobwe mine, Belgian Congo. The primary vein deposits in the Shinkolobwe mine of the Belgian...characteristic structures. Thrust plates of the Mine series have been moved from the northeast to over-ride |
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| Bulletin 931-M MANGANESE DEPOSITS IN THE NEVADA DISTRICT WHITE PINE COUNTY, NEVADA, BY RALPH J. ROBERTS.......... Mines, Manganese mine............... Vietti workings.......... Gold-silver ore body, Manganese...Manganese ore body... Caesar-John ore body..... Steptoe mine................. McDonald ore bodies..../.. Northwest...Geologic map and sections of part of the Nevada district, White Pine County, Nevada. ....................Index map of Nevada showing location of the Nevada district............................. 296 30. Geologic |
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| 1974 ii Officers and Council 1973 President: MURIEL A. ARBER, M.A., F.G.S., F.R.G.S. Vice-Presidents:...Council, 1972, and Obituary Notices 95 ARBER, MURIEL A. Landslips near Lyme Regis 121 BARBER, A. J...the Directors 207 BARNES, J. W. Jason and the Gold Rush 482 BOOTH, BASIL. The Granadilla Pumice Deposit...~~ller,~'iIill ~;avel ~; 14. B. solifluction. Quarry west of Harcombe Plantation, { South Devon .. , ... |
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| the Garnet Mineral Resources of Pennsylvania, a Mine at North Creek, and the Fluorite program by the...books to the North Jersey Mineralogical Society, West Paterson. The High Point Mineral Club was host...Arizona, and talked about his to the Harris Mica Mine to search for "prospecting" there. He even showed...moonstone, quartz, kyanite, mica, garnets micromounts of gold found in the old and more. The Bristol Gem and dumps...Mineral Club, Winston-Salem, saw and Gossan Lead Mine, Galax, as the first trip heard Glenn and Kathleen |
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| the Birmingham district, and two for the Summer meetings to the Aberystwyth district and to North-East...and 80 A);");" t:AL REPORT OF TH E COUNCIL. mine owners who have so willingly granted permission...:-" Further Notes on the Chalk of the Thetford District, Norfolk," by H. Dixon Hewitt, F.I.C., F.G.S....excursions, which embrace those to Frome, Burlescombe, West Somerset, Bridport, Banbury and Cirencester, he...entitled :-" Outlines of the Geology of the Gold Coast, British West Africa." It was moved by Mr. W. Johnson |
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| varieties of bituminous materials are present in the district. In this bibliography references are arranged...uraniferous asphaltite from the Temple Mountain district in the San Rafael Swell area, Utah, is described...for uranium in the United States, south-central district, in Geologic investigations of radioactive deposits...the east, and a tar seep in the zinc mines on the west. The largest amounts of uranium in ashes of samples... with a note on the origin of the Witwatersrand gold ores: Great Britain Geol. Survey Bull. 3, p. 1-19 |
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| Editorā Mrs. David (Alison) W a t k i n s EFMLS 79 West Bay Drive Newsletter Cocoa Beach, Fla. 32931 Reporterā...scrimshaw as a proĀ gram. 6 3 8 l s CAROLINA Gold panning occupied the members of the Catawba Valley...Valley Gem and Mineral Club on a field trip to the gold mine near Shuffletown. In addition goethite, malachite...Hannibal started the new year with a demonstration on gold and silver castĀ ing by Tanya and Chet Parrow. MemĀ...The Gem and Mineral Society of the Palm Beaches, West Palm Beach is making plans for a Junior Club. The |
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| of continuous service he was presented with the gold medal instituted by the Branch for meritorious service...Silver Mine, Rivertree, N.S.W.; then followed a period as assayer at the Mt. Morgan Gold Mine, Q. In...mineralogist. Dr. Simpson married in 1904 Miss Muriel Griffiths, an Australian violinist, and they had |
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| Innhold Carl A. Francis: The Natural History of Gold 5 Carl A. Francis: Gems and Minerals of Maine...Buskerud 53 Fred Steinar Nordrum, Alf Olav Larsen & Muriel Erambert: Apatilt fra noen norske mineralforekomster...Storsynken, Knipane , Iveland 88 Alf Olav Larsen & Muriel Erambert: Mosandrilt og rinkilt fra nefelinsyenittpegmatitter |
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| co-operation in compiling it. Right now, the Mid-west Federation is preparing for the big national convention...June visitors. 170 MineralĆ³gica! Society of the District of Columbia, Washington, D. C. President's Annual...and Col. Livingston in the Illinois Fluorspar District. ROCKS AND M I N E R A L S 11. New Discoveries:...in a Cut on the Southern Railroad, one-half mile west of town. 12. Door Prizes: Dozens of choice mineral...president of the Mineralogical Society of the District of Columbia. John J. Livingston, PrĆØs. Tucson |
