 | Juliani, Caetano, Rodrigues de Assis, Rafael, Virgínia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, José, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the Tapajós and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | | and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry...Paulo-USP, Rua do Lago 562, São Paulo 05508-080, Brazil; assis.rafael@usp.br (R.R.d.A.); lena.monteiro@usp...Universidade Federal do Pará-UFPA, Rua Augusto Corrêa 1, Belém 66075-110, Brazil; cmarcello31@gmail.com...and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry...occurrences, (ii) orogenic carbonate–sulfide-rich quartz veins in shear zones, (iii) stockworks, veins, |  | Dreher, Ana, Vlach, Silvio, Martini, Sergio (2002) Discussion on "Gold deposits of the Tapajós and Alta Floresta Domains, Tapajós-Parima orogenic belt, Amazon Craton, Brazil" by Santos JOS, Groves DI, Hartmann LA, Moura MA, McNaughton NJ (Mineralium Deposita 36:278–299, 2001) Mineralium Deposita, 37 (8) 782-784 doi:10.1007/s00126-002-0281-8 | Journal (article/letter/editorial) | | Tapajós-Parima orogenic belt, Amazon Craton, Brazil’’ by Santos JOS, Groves DI, Hartmann LA, Moura...Epithermal Æ Gold Æ Tapajós province Æ Amazon craton Æ Brazil Concerning the recently published article by Santos...evolution of such a large and poorly known area of Brazil. As to the gold deposits of this region, we want...(2001) describe as ‘‘intrusion-related epizonal quartz vein deposits’’ and in which they challenge our...Proterozoic gold deposits of the Tapajós province. The Davi and Joel prospects, for instance, had been previously |  | Klein, Evandro Luiz, Vasquez, Marcelo Lacerda, da Rosa-Costa, Lucia Travassos, de Azevedo Carvalho, José Maria (2002) Geology of Paleoproterozoic Gneiss-and Granitoid-Hosted Gold Mineralization in Southern Tapajós Gold Province, Amazonian Craton, Brazil. International Geology Review, 44 (6) 544-558 doi:10.2747/0020-6814.44.6.544 | Journal (article/letter/editorial) | | Southern Tapajós Gold Province, Amazonian Craton, Brazil a a a Evandro Luiz Klein , Marcelo Lacerda Vasquez...Pesquisas Recursos Minerais/Geological Survey of Brazil Published online: 14 Jul 2010. To cite this article:...Southern Tapajós Gold Province, Amazonian Craton, Brazil, International Geology Review, 44:6, 544-558, DOI:...Southern Tapajós Gold Province, Amazonian Craton, Brazil EVANDRO LUIZ KLEIN,1 MARCELO LACERDA VASQUEZ, LUCIA...Survey of Brazil, Av. Dr. Freitas, 3645 Belém PA, Brazil, CEP: 66095-110 Abstract Vein-quartz gold mineralization |  | | Report (issue) | | three currently-operating mines in the orogen. district are described as well as the Turgeon prospect...a relationship well-documented in the Bathurst district. The road-log through New England invites the...Stratabound massive sulphide deposits of the Elizabeth mine, Orange County, Vermont ... . .............. 4l...Volcanogenic massive sulphide deposits of the Davis mine, Hampshire County, Massachusetts ........... . ...petrology, and gensis of the manganese ores of the Betts mine, Hampshire County, Massachusetts . .. ......... |  | Klein, Evandro Luiz, Alves dos Santos, Reginaldo, Fuzikawa, Kazuo, Simões Angélica, Rômulo (2001) Hydrothermal fluid evolution and structural control of the Guarim gold mineralisation, Tapajós Province, Amazonian Craton, Brazil. Mineralium Deposita, 36 (2) 149-164 doi:10.1007/s001260050295 | Journal (article/letter/editorial) | | mineralisation, TapajoÂs Province, Amazonian Craton, Brazil Received: 3 March 2000 / Accepted: 21 October...deposit cutting basement granitoids. It consists of a quartz vein, which is massive in its inner portions, grading...laterally either to a massive or to cavity-bearing quartz vein associated with hydrothermal breccias. The...sulphide minerals, with free gold occurring within quartz grains and spatially associated with sulphide mineral...CPRM/Geological Survey of Brazil, Av. Dr. Freitas, 3645, BeleÂm-PA, CEP: 66095-110, Brazil e-mail: eklein@amazon |  | | Journal (article/letter/editorial) | | singledetermination of 1,030ppmat the NevadaConsolidated mine. It is alsoevidentthat thereis wide variationin...(8) 2. Arizona, Bagdad 3. Arizona, Copper Hill mine, Yavapai County 4. Arizona, Copper Creek 5. Arizona...Colorado, Climax Colorado, Climax New Mexico, Chino mine -82.5 --- (11) (8) (4) (11) 21. 22. 23. 24. 25...Garfield Utah, Garfield "Canada" Mexico, Cananea "Brazil" "Bolivia" Chile, San Antonio "Peru" "Finland"... Norway, Flekkefjord, Knaben mine 50. Norway, Flekkefjord,I•naben mine 51. Norway, Hvaleroyene 52. Norway |  | | Journal (article/letter/editorial) | | thattherelative magnitude of these effects willbedifferent in mine:_• ofdifferent grainsizeor composition. If themeasured... minerMs available in theQuartzCreekpegmatite district,Gunnison, Co!or•0, makeit especially suitedfor...This siteis about6,•0 feet westof the BrownDerby Mine and about2,• lower • elevation.A pure sampleof zircon...composition of thegranite to be71percent microcline, 20 quartz, 8 percent biotite,I percent albite,lessthan1 percent...(mapof StaatzandTrites,1955)at the BrownDerby •.Mine. Thispit may b• a part of eitherdike No. 1 or No |  | | Journal (article/letter/editorial) | | OF THE WOLFRAMITE ORE DEPOSITS, NEEDLE HILL MINE, NEW TERRITORIES, HONG KONG S. G. DAVIS CONTENTS..................... 1243 1246 Minerals of the quartz veins ...........................................The Needle Hill Wolfram Mine is the largest in Hong Kong. It is also the only mine still in operation. This...the area is simple. A large granite stock abuts a quartz porphyry, which is the country rock. This granite...wolframite-bearing quartz veins which dip with strikes parallel to the contact between the granite and the quartz-porphyry |  | Amaral, G., Bushee, J., Cordani, U.G., Kawashita, K., Reynolds, J.H. (1967) Potassium-argon ages of alkaline rocks from southern Brazil. Geochimica et Cosmochimica Acta, 31 (2) 117-142 doi:10.1016/s0016-7037(67)80041-3 | Journal (article/letter/editorial) | | Potassium-argon ages of alkaline rocks f~om southern Brazil* G. AIV~R~L,~ J. BVS~EE,~ U. G. CORDA~,~ K . KAWASHITAt...Department of Geology, University of SRo Paulo, Brazil (Received 2 May 1966) A b s t r a c t - - W e...frequency) from 21 alkaline rock localities in southern Brazil. A general geological description is given for...Mesozoic basaltic rocks that occur widely in southern Brazil and neighboring c o u n t r i e s , a n d t h e...geologists in alkaline rocks. Like Africa and Russia, Brazil has one of the greater concentrations of this type |  | | Journal (issue) | | Occurrence of irhtemite and adelite at the Mercur Mine, Tooele Co., Utah; the western hemisph ere's first...lorandile, calcite, realgar, orpiment, flu orite, quartz. stibnite, s tibiconite, s ulfur and othe r species...and frequently found attached to lorandite and quartz replaced host rock. (Continues o n page 3) 2...that has been a prolific source of dioptase on quartz w ith plancheite. The few specime ns I saw indicate...crystals to 8 mm on 14 cm quartz matrix whether it is an from Navegador Mine, Conselheiro Pena, Minas |  | | Journal (issue) | | Auralite-23 ● Heartenite ● Healers Gold ● Siberian Blue Quartz Infinite ● Rosophia ● Aroha Stone and 100s More...massive displays of Amethyst, Citrine, Agate, Quartz, Smoky Quartz, Malachite, Madagascar Gems and much more...Crowne Plaza Hotel J.K. Stone USA Scott’s Rose Quartz Amazon Butterfy Frames Also showing in Denver...Pendulums Chakra Jewelry Singing Bowls Skyscraper Lamps Quartz Spheres & Points Black Tourmaline View our product... September 2021 29 WE ARE ... The Auralite 23® Mine WE ARE ... The Auralite 23 Source ® WE ARE . |  | | Journal (article/letter/editorial) | | variety of different minerals (e.g. plagioclase, quartz, orthopyroxene, clinopyroxene) contribute to anisotropic...Neumayer; SNAA = Sanae, SYO = Syowa, MAW = Mawson, DAVI = Davis, CASY = Casey, DRV = Dumont D'Urville, TNV...augmented by several years of data from Davis Station (DAVI, a mains-powered station installed as part of the... 2A for all remote stations, and in Fig. 2B for DAVI in 2005, the maximum number of events recorded at...deployment, B — events recorded at Davis station (DAVI) during 2005. The number and distribution of events |  | | Journal (issue) | | Auralite-23 ● Heartenite ● Healers Gold ● Siberian Blue Quartz Infinite ● Rosophia ● Aroha Stone and 100s More...* ROUGH STONES * HIMALAYAN QUARTZ * MINERALS * ACCESSORIES EXOTIC QUARTZ PRETTY MINERALS ACCESSORIES...The Tucson MetaGuide Hw 34 on Scott’s Rose Quartz ns Dan’s Used Rocks Be Peruvian Spirit E....Turquoise, Ch es! r Cacoxenite, R ysocolla, ose Quartz, Moonstone, Carnelia AND MORE! n OVER 100 TONS...Green Fluorite, Crystals (including Quartz, Citrine, Smoky Quartz and Fluorites), Rocks in Boxes and much |  | | Journal (issue) | | displays of, Amethyst, Citrine, Agate, Quartz, Smoky Quartz, Malachite, Madagascar Gems and much more...Crowne Plaza Hotel J.K. Stone USA Scott’s Rose Quartz Amazon Butterfy Frames Also showing in Denver...Heaven & Earth Network News Bliss Quartz The new stones called Bliss Quartz come from the mountains of East...of candy, and I was tempted to call them ‘Candy Quartz.’ But as always, I tuned in to the stones to ask...called. Immediately I inwardly heard the name ‘Bliss Quartz.’ Then the Beings of these stones presented themselves |  | | Journal (article/letter/editorial) | | , Yorkshire College of Science, Leeds. MR. JOHN DAVI~S ENYS, F.G.S., Canterbury, New Zealand. ASSOCIATt~S...Mr. J. ]3. Hannay, F.C.S. On a peculiar form of Quartz Crystal from Australia, by the Rev. J. M. Mello...Cantonite from Cornwall, by Mr. Thos. Davis, F.G.S. On Quartz Crystals enclosing Tourmaline, from ]3escaswell...Collins, F.G.S. On the Iron Oxides enclosed in quartz from the Mwyndy Iron Mines, Glamorganshire, by |  | | Journal (issue) | | 1 Stromatolite full of cavities lined with red quartz from Minnesota, photo by the author. Continued...to report. This find also involves a fossil and a mine ral. However, the principals in this story are a...Class Heulandites fron, the new find in Idaho Also quartz pseudomorphs ofapophyllitc and other Idaho Mineral...us can on ly dream of v isiting the 7000 year old mine that was the source of the la pis lazuli that the...the lapis lazuli mine at Sar-1.:-Sang. Embedded in the wall s. dccp within the mine. beautifu l deep |  | | Journal (article/letter/editorial) | | Vol. 57, 1962, pp. 499-535 ORE GENESIS OF DISTRICT, THE CAVE-IN-ROCK HARDIN E. A. COUNTY, FLUORSPAR...Cave-In-RockFluorspar District has developeddata that permits a more detailed study of ore genesisof the district. The...j/•• "[ •'• • CAVE IN ROCK FLUORSP ILLINOIS DISTRICT HARDIN COUNTY I ;•zff•g/•t o • I FIG. •0...much to the economics of the district. The geologicalfeaturesof the district have been describedin previous...beddedorebody. The stratigraphyvariesthroug, hout the district and a horizonthat was receptivein one area was |  | | Journal (issue) | | Collector's New A Field Trip to the Krystal Tips Mine Petersen Mountain, Washoe Co., Nevada Kenneth L...the site of the Krystal Tips Mine, about 10 a.m. Foster Hallman, the mine owner/operator pulled up rig...long steep trip up the 4-wheel drive road to the mine. I had come with John Miatech and John Salzbach...the hill to the mine. Foster had sta rted a new trench in the lower east side of the mine and had been working...ly as the rock was re moved, we checked for the quartz stringers that would lead to a " pocket" of the |  | | Journal (issue) | | silver, copper, lead, and zinc. The Tidal Wave District occupies the western Oank of the Tobacco Root...T he district gets its name fro m the Tidal Wave Mine. the first patented mine in the district (Johns...three caved ad its. Collecting at the Tida l Wave Mine took place during midJune o f 200 I . Several micromineral...hemimor- Fig. 1 Bayldonite, Tidal Wave Mine, Tidal Wave District, Montana, field of view 375 microns, SEM...gaard@hotmail.com Fig. 2 Bayldonite, Tidal Wave Mine, Tidal Wave District, Montana, field of view 375 microns, SEM |  | | Catalog/List | | cleavages - good specinens AIALUSIIE Pseudonorhinq to Quartz, greyish xis interlaced on massive ANDER SONIIE...pg 115 M • Af!/\GONITE from Mexico & the Weldon Mine were misidentified!!-Sorry, but it's Calcite! ARAGONIIE/CALCITE...crested xls - nice! Lite-pink I0-0n rosettes on quartz, pretty!!...see MR Vol 12, p!18 Br on 'Roses!'...Horseshoe Da111 Spain Maine Carter Hine,tl Champion Mine Grants, New H Workman Creek Grand Reef Mi Connecticut...· Hine Planet Mine Rk {and, i Haga Mir« Hartsell,'0 Juanita Mi,NM Mexico Neldon Mine Norman, OK [ nal |  | | Journal (issue) | | stilbite, and calcite, and has been a favorite of mine for a number of years. Less commonly, molybdenite...crystals, les s than 1 mm long from the Blackbird District, Le mhi County, Idaho, photo by the author. and...examined was labeled, "Anglcs ite in s ulfur, A humada mine. Los La mentos, C hihuahua, Mex ico·• with a m a...cerussite were the m ai n o re minerals o f the mine and they littered the fl oors of som e natu ra l...ite , the best known specimen m inera ls fro m the mine, were collected . As I remem ber, the early eng |  | | Journal (article/letter/editorial) | | (Huken Quarry) near the abandoned Aanerud copper mine near Grorud in Oslo. The material has subsequently...fine-grained dike matrix showed the presenceof quartz, albite and anatase,making it an anatasealbitite...mineral lacks U, which is a specific constituent of davi- SEGALSTAD: TITANIUM-RICH dite. Hence the chemistry |  | Halden, N.M., Mandziuk, W.S., Young, J., Clark, G.S., Yang, P. (2007) LAM-ICP-MS zircon dating of the Falcon Lake Intrusive Complex and Caddy Lake granite, southeastern Manitoba, Canada. Proceedings of the Geologists' Association, 118 (1) 25-35 doi:10.1016/s0016-7878(07)80044-7 | Journal (article/letter/editorial) | | essentially of two intrusive units, a gabbro and a quartz monzonite. More recently, Mandziuk et al. (1989)...gabbroic, one dioritic to granodiorite with a central quartz-monzonite; Fig. 2), which are related by fractional...FALCON LAKE INTRUSIVE COMPLEX, CANADA o 27 1 km quartz monzonite diorite - granodiorite gabbro 4 gabbro...the sample locations for the gabbro, diorite and quartz monzonite (modified from Mandziuk et al., 1989)...emplacement (Mandziuk et al., 1989). The diorite and quartz-monzonite also preserve many similar layered erosional |  | | Journal (article/letter/editorial) | | lix., p. 23 8. EXCURSION TO THE SWANSEA DISTRICT. FRIDAY, APRIL 18TH, TO WEDNESDAY, APRIL 23RD...freshwater shells of the EXCURSION TO T HE SWANSE A DISTRICT. 309 genus Carbonicola. Evid ences of overthrusting...Anthracomya modiolaris were collected . Mr. J. H . Davi es indicated how they could be used to identify... The basal Millstone Grit consists of a coarse quartz conglomerate, succeeded by white quartzites. In...often a foot across. EXCURSION TO THE SWANSEA DISTRICT. 313 MONDAY, APRIL 21ST. (Leader : A. E. TRUEiI |  | | Journal (article/letter/editorial) | | ................ Spring, vehicle. L. A. & A. L. Davi.. ........ ..... Spring, vehicle side, R. Porter...Tebay ................. 211.064 T. J.H.-They are quartz cry.tal.-sometimes used to' GraIn binder. J. S...L. Brady....... ..... 210,910 Rake, lawn. T. D. Davi.. ................. . . . . . . . Carbon motive |
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