 | | Journal (article/letter/editorial) | | deposits of the Neoproterozoic Mara Rosa magmatic arc, central Brazil Claudinei G. de Oliveira *, Márcio...Universidade de Brası́lia, Brası́lia-DF, 70910.900, Brazil Received 18 August 2003; accepted 24 April 2004...the Neoproterozoic Goiás Magmatic Arc, central Brazil, dates back to the beginning of the 1970s. The...Neoproterozoic juvenile crust, the Arenópolis and the Mara Rosa arcs, are identified. They lie in the southern...values between + 3.0 and + 4.6. In the Chapada – Mara Rosa area, the supracrustal rocks form three individual |  | | Journal (article/letter/editorial) | | late discovery of the phenomenal Cripple Creek district, essentially subsequent to the development of...Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths of...Solberg 1995). Calaverite is known from the Star mine in Montgomery County, North Carolina, where it occurs...Vindicator mine, Haralson County, and the Consolidated and Singleton mines of the Dahlonega district, Lumpkin...of twinned calaverite crystals from the Cresson mine, Cripple Creek, Teller County, Colorado. Dave Bunk |  | | Journal (article/letter/editorial) | | Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Brasilia, Brasilia, DF, Brazil ²CPRM – Geological Survey of Brazil, Recife, PE, Brazil *Corresponding author...Brígida domains, Borborema Province, Northeast Brazil. Ultramafic lithologies including metadunites, |  | | Book | | Alkmim Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent Regional...Alkmim • Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent 123...Estado do Rio de Janeiro Maracanã, Rio de Janeiro Brazil Fernando F. Alkmim Escola de Minas Universidade...Preto Ouro Preto Brazil Umberto G. Cordani Universidade de São Paulo São Paulo Brazil ISSN 2364-6438...significant contributor to the mining industry in Brazil. This book provides a state of knowledge overview |  | | Journal (article/letter/editorial) | | Ti-Fe ___Cr___Cu mineralization in northeastern Brazil H. Beurlen a, A.F. Da Silva Filho b, I.P. Guimar~esb...50000 Recife PE, Brazil bDepartamento de Geologia da UFPE, 50000 Recife PE, Brazil (Received August 3...unusual TiFe _+Cr_+ Cu mineralization in northeastern Brazil. In: G. Ga~l and K. Schulz (Editors), Precambrian...km west of Recife, including the 20 Mt Riacho da Posse deposit show striking similarities with the Bodoc6...The only other eclogite occurrence recorded in Brazil, at Pouso Alegre, state of Minas Gerais, has an |  | | Report (issue) | | crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...some pegmatites. This specimen, from Minas Gerais, Brazil, is housed in the Deutsches Edelstein Museum in...crystals are found in soils and stream gravels in Brazil. On the other hand, at high temperatures and pressures...near Sabsar, on the Gilgit to Skardu Road, Skardu district, Northern Areas, Pakistan. Collection Ty Lawrence;...and quartz; 15 cm from the Shigar Valley, Skardu district, Northern Areas, Pakistan Because it is associated |  | | Journal (issue) | | :1nily c a pa c ity of 2500 tons. l'lurine; 1940 the mine produced 10,524,,45 pounds of co pper, <37,891 ounce"...ore which ga ve 20,881 tons of concentr~te s . The mine wa s controlled by the ,illacond " Copper ;F1ning...be using zircon iur.l in making a s teel ~l loy posse~s in g remarkAble qualities . During the first ...ines Info ~motion Circula r 0455 giv es a li Ft of mine r "...specific gravit y of 4 . 7 (about the same as Ilmenite and chromite) . It is cla ssed as infusible. is |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (article/letter/editorial) | | of secondary minerals at the Spring Creek copper mine, on the flank of Mount Remarkable, near Wilmington...quartz – feldspar – tourmaline rock in an abandoned mine at Sierra Gorda, near Antofagasta, Chile. Schlüter...discovery locality, the Brandholz-Goldkronach mining district, Germany. Found as a product of alteration of...Fürstenzeche lode, Brandholz-Goldkronach mining district, in the western part of the Fichtelgebirge, Bavaria...locality. Found at the Cerchiara manganese (braunite) mine, Val di Vara, eastern Liguria, Italy. Basso, R. |  | | Report (issue) | | Blue Ridge province _____________ _ Spruce Pine district ____________ Madison County and Haywood County...County _____________________ _ Zirconia district ___________ ----Macon, Jackson, and Clay Counties __ ----...Monazite localities-Continued South America-Continued Brazil-Continued Beach placers _________________________...and amount of thorium oxide in the monazite in ilmenite concentrates from beach placers on the Malabar...and Idaho. Most of the world output has come from Brazil, India, and the Republic of South Africa, but 12 |  | | Journal (issue) | | May 2010 Page 4 THE MINERAL NEWSLETTER Vulcan Mine Trip by Lew Holt This newby just recently returned...from his first rock watching trip to the Vulcan mine at Manassas. Boy howdy is this ever fun, and so...club members were most welcoming and helpful. The mine boss too. First he led us to a seventy foot bank...But we were free to roam and pretty soon the whole mine was speckled with rock people pecking away with...construction/demolition crew. They also didn’t hesitate to posse up and surround a rough looking boulder whenever |  | | Journal (issue) | | Fe. June 2—Park Lake Day and Fishing Derby, Santa Rosa, New Mexico. June 2-3—Morongo Valley, California...Mexico State Championship High School Rodeo, Santa Rosa, New Mexico. June 16—Desert Catalpa Club Hospitality...lull in the fighting ensued until August 18 when a posse of nine men, headed by Deputy Sheriff J. B. Simpson...suffered damage except to their reputations—the posse being criticized rather freely for the tactics employed...Receiving less than half the wage paid to common mine laborers, the charcoal camp employee lived in crude |  | | Journal (issue) | | area along US-6 between Spanish Fork and Price, UT. Mine dumps can be seen from the highway on the north...the Pleasant Valley Coal Company's Winter Quarters mine (famous for an explosion on May I", 1900, that killed...mineral species from the Middle Buttes/Cactus Gold Mine. Scorodite from the Shumake deposit was described...During the summers of 1987 and 1988 1worked at the mine as a summer student intern while working on my master's...Burnett, J. L., and Brady, J, 1990, Cactus Gold Mine, Kem County, California, California Geology, April |  | | Journal (article/letter/editorial) | | fluorapatite, aegirine, K-feldspar, nepheline, ilmenite, lorenzenite and sodalite. General appearance:...borehole at the Korshunovskoye boron deposit, Irkutsk district, Siberia, Russia. Occurrence: In dolomite marble...Bi3+24Cr6+8O57(OH)6•3H2O T RIGONAL Locality: São José mine, Lavra da Posse, São José de Brejaúba, Conceição do Mato...Mato Dentro County, Minas Gerais, Brazil. Occurrence: Associated minerals are: pucherite, schumacherite...)3, a new mineral from Brejaúba, Minas Gerais, Brazil: description and crystal structure. American Mineralogist |  | | Book | | deposits. Lode mining began in 1852 at the Washington Mine. Even with the discovery and working of the lode...The most productive district lode gold has been the French Gulch-Deadwood district of Shasta and Trinity...mining in northwestern California and the La Grange mine west of Weaverville was one of the largest hydraulic...at some time. Try your luck in any of the gold district locations listed here and you will be rewarded...degree. BANGOR This is also called the Wyandette district by some miners. A large placer gold mining area |  | | Journal (issue) | | ECONOMIC SOCIETY OF GEOLOGISTS Epitor: ALAN Mara BATEMAN Yale University, New Haven, Connecticut...America Ol EL. EEONARDOS ....... Rio de Janeiro, Brazil-....<5.... For Australia Rospert L. Jack ........Atlin Ruffner, B. C....M |.75 oad + Wheaton District, Yukon Territory 220. Porter .laim, Carbon Hill...Hill, Dercecsceeys ae 140 ) Mayo District, Yukon Territory 22 . Blea, Galena Hill, Te rs 30 226. LakeGroup...H |.20 .M }.20 ceoske [oO | Tr) Tr Montana Emma Mine, Butte. ..M |.20 Rainbow Vein, Butte..M |.20 |W |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in...and for 22il reads22il. in the 2 *535 under Ilmenite forms, for 537 544 F 0551 read P 0551. ...pageite read paigeite. for Algoma district read Sudbury District. in the left Itand figure in the |  | | Book (volume) | | compaxable with those of the Lake Superior region, Brazil and elsewhere. (2) Bands and nodules of clay ironstone...after approaching t.he southern border of the district, turns sharp t-0 the west. Flux will be brought...situated at Jamshedpur (Sakchi) in the Singhbhum district to the north of Tatanagar CKalimati) railway station...slight.ly richer and purer ore-bodies in the Raipur district, supplies of ore are at present drawn from the...oxide. The hi:ema.tite deposits of the Singhbhuin district hn,ve recently been examined by MT. Ernest Pa |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | Journal (issue) | | Number Five Articles The Val Graveglia m anganese district, Liguria, I t a ly .............................RHODOCHROSITE crystals to 1.6 cm, from the Uchucchacua district, Huanuco depart ment, Peru. (See vol. 28, no...Independent States, China, and from South Africa, Brazil, Australia, India and Gabon. The largest high-grade...Northern Italy. 1— Cassagna mine 2—Gambatesa mine 3— Molana quarry 4— Molinello mine 5— Monte Bardeneto prospect...Bianco copper mine 7— Monte Bossea mine 8— Monte Coppello-Reppia prospect 9— Monte Porcile mine 10— Nascio |  | | Journal (article/letter/editorial) | | comparable with those determi~d for basalts by PosSe ~ d by B r i d ~ a n (quoted in Rely 1955, P.59)...presence of discrets ilmenite grains, is probably v~lid i n s o f ~ as the ma~netite-ilmenite interg~wths reprssent...solutions (Budd~ngton e~ el. ~964, PP-352-354). Since ilmenite is complete- deference tD Tig, 4 sb~w~ t h a... 97-I~9. Holmes (A.) ~ d Hax~ood (H.F.)~ 1929,- Mine;al. Ma~. 2 2 , 1-52. Devinscn-Lessing (P.), 1935 |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Luiz A. D. Menezes: Belo Horizonte, Minas Gerais, Brazil. William C. Metropolis: Mineralogical Museum, Harvard...Wokitecas eel TMPS Tia VER YUC ZAC States, Brazil Acre Alagoas Amapa Amazonas Bahia Ceara Para...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan...Ledge mine, Nevada Co., Jamestown, Tuolumne Co., Colorado quartz mine, Mariposa Co., Bonanza mine, Trinity |  | | Book (edition) | | Thomas Armbrusler (Switzerland). Daniel Atcncio (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA)...Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23 |  | | Journal (article/letter/editorial) | | are in them selves objectionable; they either posse�s a disagreeable odor, or will stain and corrode...present. The lotion should be diffused and ferro-ilmenite, both of which species occur in the gran in the |  | | Journal (article/letter/editorial) | | Reproductive traits indicated by MOR 963 show that Troodon posse ssed ple siomorphies shared with crocodilians (some...poly crystalline quartz, and rare magnetite or ilmenite. Mineral fragments appear fresh with angular edges...Lameta Formation (Upper Cretaceous) of Chandrapur district, Maharashtra, India, and general remarks on the |
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