 | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) | | 2005). The world’s largest Hg deposit, the Almadén district of central Spain, is representative of concentrations...reworking of the mercury-hosting rocks of the Almadén district (primary mineralization 427–380 Ma) led to at...west-central California. This important mining district, including the New Almadén mine in Santa Clara...in the literature. For example, the Hg mining district of Pike County, Arkansas, is hosted in Carboniferous...Namibia. in the famous deposits of Broken Hill, New South Wales, Australia, which are dated at 1.695–1.685 |  | | Corporate Document | | Kochbulak-Kairagach ore field 9.5.1 Kochbulak deposit 10. SOUTH AFRICA 10.1 Western Deeps 10.2 Fairwiew 10.3 Renco...16 Corinthia 13.17 Edward's Find 13.18 Polaris South 14. Intermediate and felsic igneous host rocks 14...galena, molybdenite, pentlandite, a large set of tellurides, electrum, and gold. All molybdenite is related...pyrite, arsenopyrite, chalcopyrite, sphalerite, molybdenite, pentlandite, a set of tellurides, native bismuth...is >1 km long, 15-30 m wide, parallel with the local lithological units, and dips at 60° to the ENE (Pietikäinen |  | Drabon, Nadja, Galić, Aleksandra, Mason, Paul R.D., Lowe, Donald R. (2019) Provenance and tectonic implications of the 3.28–3.23 Ga Fig Tree Group, central Barberton greenstone belt, South Africa. Precambrian Research, 325. 1-19 doi:10.1016/j.precamres.2019.02.010 | Journal (article/letter/editorial) | | 23 Ga Fig Tree Group, central Barberton Greenstone Belt, South Africa Nadja Drabon, Aleksandra Galić...23 Ga Fig Tree Group, central Barberton Greenstone Belt, South Africa, Precambrian Research (2019), doi:...23 Ga Fig Tree Group, central Barberton Greenstone Belt, South Africa Nadja Drabon1*$OHNVDQGUD*DOLü2...initiation of orogenesis in the Barberton Greenstone Belt, South Africa. However, reconstruction of the...throughout the formation was derived by erosion of local uplifts of the underlying greenstone-belt sequence |  | | Journal (article/letter/editorial) | | are indicated in square brackets: New Consort, South Africa [1–9]: Cuiabá Brazil [10–13]: Ajjanahalli, India...Buddini [28,29], India; Pilgrim’s Rest [30–33], South Africa; Lega Dembi, Ethiopia [34]; Navachab, Namibia...Figure 1. Four deposits are situated in southern Africa, three in India, two in Russia, one in Ethiopia...Lega Dembi Navachab Mindyak Kochkar Awak Mas Barberton Greenstone Belt Rio das Velhas Supergroup (Nova...Ma between the Paleoproterozoic Pilgrim’s Rest district and the Neoproterozoic Lega Dembi and Navachab |  | | Journal (article/letter/editorial) | | DEPOSITS OF THE SWAZILAND SUPERGROUP (BARBERTON MOUNTAIN LAND, SOUTH AFRICA) T. O. REIMER Dyckerhoff Engineering...deposits of the Swaziland Supergroup (Barberton Mountain Land, South Africa). Precambrian Res., 12: 393--410...pyrite, chromite, zircon, magnetite,ilmentite, molybdenite and gold. The baryte was mainly eroded from older...sedimentary baryte deposits from the Archean of southern Africa are briefly described. INTRODUCTION Precambrian...and various parts of southern Africa. In the latter area the Barberton Mountain Land occupies a special |  | Greaney, Allison T., Rudnick, Roberta L., Gaschnig, Richard M., Whalen, Joseph B., Luais, Béatrice, Clemens, John D. (2018) Geochemistry of molybdenum in the continental crust. Geochimica et Cosmochimica Acta, 238. 36-54 doi:10.1016/j.gca.2018.06.039 | Journal (article/letter/editorial) | | Department of Earth Sciences, Matieland, 7600 South Africa *corresponding author: greaney@umail.ucsb.edu... where Mo may be hosted in undetected trace molybdenite. Significant Mo depletion (i.e., UCC-normalized...formation and differentiation, and the formation of molybdenite deposits in 2 various tectonic settings. This...Mo can also be reduced and incorporated into molybdenite (MoS2) during oxidation-reduction reactions that..., in sulfides in the case of Mo. Pyrite and molybdenite are commonly invoked as the main Mo sources that |  | Brüske, A., Martin, A.N., Rammensee, P., Eroglu, S., Lazarov, M., Albut, G., Schuth, S., Aulbach, S., Schoenberg, R., Beukes, N., Hofmann, A., Nägler, T., Weyer, S. (2020) The onset of oxidative weathering traced by uranium isotopes. Precambrian Research, 338. 105583 doi:10.1016/j.precamres.2019.105583 | Journal (article/letter/editorial) | | Johannesburg, DST-NRF CIMERA, Dept. of Geology, South Africa, nbeukes@uj.ac.za, ahofmann@uj.ac.za eUniversity...Australia), Kaapvaal and Zimbabwe Cratons (both southern Africa) with 10 depositional ages ranging from 3.4 to...continental crust (UCC) (e.g. uraninite, UO2 and molybdenite, MoS2) 59 and oxidative dissolution results...required for the oxidative 68 dissolution of molybdenite (5.4 x 10-5 to 9.6 x 10-5 atm, Greber et al....hosts of Mo in crustal rocks in addition to molybdenite, whereas other sulfides appear 78 to be of |  | | Journal (article/letter/editorial) | | of Mines of South Africa, Research Organization, Johannesburg, Republic of South Africa AND K. VON GEHLEN...magnetite, little ilmenite, zircon, rutile and molybdenite, and occasionally sphalerite and traces of gold...hydrothermal pyrite from the Fairview Gold Mine in the Barberton Mountain land. Geochemical features of the abraded...Magnetite inclusions; Bottom--Pyrite intergrown with molybdenite (arrowed). 476 D. K. H A L L B A U E R AND...deposition. Post-sedimentary pyrite. Metamorphism and local heating events may produce, locally, growth of new |  | | Book (edition) | | Southern Africa a Collector’s Guide ■ Rocks, Minerals and Gemstones of Southern Africa & — - ... T ~ '' .rats en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating...suggestions and advice. Author’s Preface Southern Africa has much to offer the amateur geologist, whatever...best plan is to take local advice wherever you are. 9 In small places try the local police station first...usually helpful and will know it there are any local gem clubs and how to get in touch with them. There |  | Pati, Jayanta Kumar, Qu, Wen Jun, Koeberl, Christian, Reimold, Wolf Uwe, Chakarvorty, Munmun, Schmitt, Ralf Thomas (2017) Geochemical evidence of an extraterrestrial component in impact melt breccia from the Paleoproterozoic Dhala impact structure, India. Meteoritics & Planetary Science, 52 (4) 722-736 doi:10.1111/maps.12826 | Journal (article/letter/editorial) | | Geoanalysis, 26 Baiwanzhuang Dajie, Beijing, Xicheng District 100037, China 4 Department of Lithospheric Research...diameter of 11 km and is located in the Shivpuri district, Madhya Pradesh State, north-central India (Fig...geophysical surveys (Markandeyulu et al. 2013). The local stratigraphy was reviewed in some detail by Pati...D., and Liu D. 2001. Precise Re-Os dating of molybdenite using Carius tube, NTIMS and ICPMS. In Mineral...certification of Re–Os dating 13 reference materials: Molybdenite HLP and JDC. Geostandard and Geoanalytical Research |  | | Journal (article/letter/editorial) | | SUBJECTINDEX TO VOLUME 55 Africa Mineralogy Molybdenite (Frondel,JudithW., er a/.) I l-12 1857 Aluminum...Mineralogy Molybdenite (Frondel, Judith W., et a/.) I l - l2 1857 Australia Mineralogy Molybdenite (Frondel...Mackinawite South Africa. Transvaal. Vlakfontein (Clark. Alan H.) 9-10 1802 South Africa. Transvaal...Microcline Refinement 9-I0 1809 (Bailey, S. w.) Molybdenite Polytypism (Frondel,Judith W., er a/.) 11-121857...(Brown, F. H.) 9-10 1670 Europe Mineralogy Molybdenite (Frondel,JudithW., er a/.) l1-12 1857 Faults |  | | Journal (issue) | | Twenty-three, Number Three ® Articles Gold in South Africa ..............................................and this must have introduced him to many other local mineral collectors and possibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...lent a distinction to his stock of minerals that local dealers found hard to match. During his time with...later years he just purchased from the miners and local dealers. He did not like to be hurried, and drove |  | | Journal (article/letter/editorial) | | MiningTechnology Laboratory, Chamber of Mines of South Africa, Johannesburg A relationship has been established...deposits, such as the rivers of the Barberton Mountain Land, South Africa and the river Rhine in Germany....SAMPLING SITES The primary gold deposits in the Barberton area occur almost exclusively in the Archean greenstone...were, therefore, taken from the rivers of the Barberton area can be the Kaap River and its tributaries...seen as the direct erosion products of Barberton area of South Africa. Samplvarious primary gold deposits |  | | Report (issue) | | fineness of gold with depth, Lily mine, Transvaal, South Jlfrica -------------------------------------------------------14...mill bullion prior to 1882 at the Homestake nrlne, South Dakota -------------------------------------------------------15...arsenopyrite, chalcopyrite, sphalerite, galena, molybdenite, tellurides, selenides, magnetite, scheelite...--------------Iridosmine, ( Os,Ir) Australia, New South Wales _____ 150 >1,000 200 >1,000 800 U.S... Germany, Mansfeld -------------Galena, PbS South Africa -------------------Clausthalite, PbSe Germany | | | Journal (issue) | | Mowry Place Tucson, AZ 85741 Articles Gold in South Africa ..............................................and this must have introduced him to many other local mineral collectors and pos sibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...lent a distinction to his stock of minerals that local dealers found hard to match. During his time with...later years he just purchased from the miners and local dealers. He did not like to be hurried, and drove |  | | Journal (article/letter/editorial) | | of the Archaean Pietersburg Greenstone Belt, South Africa By 1~. SAAGERand R. MUFF, KSln *) With 2 figures...Pietersburg greenstone belt in the Northern Transvaal, South Africa. Identical carbonaceous material, the so-called...approximately 2'600 m. y. old Witwatersrand System in South Africa, carbonaceous matter is a common constituent...SAAGER, 1970; SCHWEmART & VON RAttDEN, 1964). In South Africa, much older organic microstructures, however...Swaziland Systems has been investigated in the Barberton Mountain Land and described in detail by ANRAEUSSER(1969) |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, Johannesburg, South Africa A Reappraisal of Some Aspects of Precambrian...contribute to the estabon their geology. In Southern Africa, the Precam- lishment of this highly distinctive...established, and, apart from the institution of local formational names there is no necessity to complicate...differences of sequence and facies changes, together with local unconformities, but, essentially, these belts are...associations that local variations are unimportant. Some of the major Precambrian structures in Africa were first |  | Hazen, R. M., Bekker, A., Bish, D. L., Bleeker, W., Downs, R. T., Farquhar, J., Ferry, J. M., Grew, E. S., Knoll, A. H., Papineau, D., Ralph, J. P., Sverjensky, D. A., Valley, J. W. (2011) Needs and opportunities in mineral evolution research. American Mineralogist, 96 (7) 953-963 doi:10.2138/am.2011.3725 | Journal (article/letter/editorial) | | mineral chemistry in a study of several dozen molybdenite (MoS2) specimens spanning approximately the past...past 3 billion years. They find that molybdenite with relatively high Re and W formed primarily during...pegmatites associated with a greenstone belt in South Africa (Poujol 2001). Ten more species are found in...(e.g., Norrö, Sweden; Tysfjord, Norway; Tiptop, South Dakota; Red Ace, Wisconsin) and complex skarn deposits...(foitite and magnesio-foitite) in the Barberton greenstone belt, South Africa (3230 Ma), and a Cr-tourmaline |  | | Journal (article/letter/editorial) | | specimen of the selenite which lies exposed on the south shore of our Lake Mead, and being the same identical...4 x 7 x 1 y4 inches thick. The locality is the south shore of Lake Mead, Mohave County, Ariz. Another...sphalerite is a lead-silver mine in the Silverton district, San Juan County, Colo. The mineral occurs as...Eugene VanderWender, Harrington, Kent County, Del. District of Columbia—French Morgan, of Washington, D. C...another very unusual find of petrified wood, in the District this time, and within a half mile of where I live |  | | Report (chapter) | | deformation of the supracrustal sequence at S~esvatn, South Norway: R e - O s dating of C u - M o mineral occurrences...Norway Abstract: Re-Os dating of a suite of nine molybdenite samples from two small Cu-Mo mineral occurrences...orogen, the Rogaland-Hardangervidda terrane of south Norway. Onset of metamorphism occurred at about...the western part of the Sveconorwegian orogen (South Norway) may correlate with thermal metamorphism...documented molybdenite samples from two well-studied mineral prospects that record the local development |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Journal (article/letter/editorial) | | lime and almost no magnesia. He also noted that molybdenite occurs in occasionalflakes. During the latter...various mines and the general topography of the district. On a motion by Mr. Ashby a vote of thanks was...OF CHROMIUM.TOUR_ MALINE AND RUTILE IN THE BARBERTON DISTRICT. A. L. Eler,r,, Trans.Geol.Soc.S. Ajrica...604-628, 1919. Contains data on: diamonds in South Africa, including the record of the finding of an exceptionally...are noted: July l0' 1916, at Sultanpur, Bollia district, five fraqments recoveredaggregating 1,710'57grams; |  | Zhao, Hesen, Wang, Qingfei, Groves, David I., Deng, Jun (2019) A rare Phanerozoic amphibolite-hosted gold deposit at Danba, Yangtze Craton, China: significance to fluid and metal sources for orogenic gold systems. Mineralium Deposita, 54 (1) 133-152 doi:10.1007/s00126-018-0845-x | Journal (article/letter/editorial) | | indicated by Re-Os geochronology on ore-related molybdenite. In conjunction, all data demonstrate that Danba...Triassic, convergence between the North China, South China, and Qiangtang blocks, subsequent to the closure...a monocline trending 310–0° and dipping 45–75° south-west to west (Fig. 2; ESM Fig. 2). The immediate...north-west, and biotite schist and granulite to the south-west (Fig. 2). Miner Deposita Fig. 2 Geological...mediumgrained transparent quartz. f Euhedral molybdenite (Mo) intergrown with pyrrhotite and quartz and |  | | Journal (article/letter/editorial) | | of the Lower Negaunee iron formation, Marquette district, Michigan, USA— Natalie J. Pietrzak-Renaud JOURNAL...Jurassic porphyry metallogenic event of the Xiongcun district in the Gangdese porphyry copper belt, southern...Zhou, Jianxin Li, and Lin Hou Zircon U-Pb and molybdenite Re-Os dating of the Chalukou porphyry Mo deposit...porphyry molybdenum deposit, Jiangxi province, south China: Constraints from petrochemistry and geochronology—Fan...spectrum of the BirgildaTomino ore cluster in the South Urals, Russia—Olga Yu. Plotinskaya, Anatoly I. Grabezhev |  | | Journal (article/letter/editorial) | | Witwatersrandhinterlandand the entire rangeof granites from the Barberton Mountain Land. The presenceof enrichedhydrothermally...Previous thoughtson the matterhaveregardedthe Barberton granite-greenstoneterrane as a reasonablefacsimile...Livingstone Randfonteln Langlaagte Main ,Leader ,South Roodepoort JEPPESTOWN Crown Florida Witpoortjie...couldbe viewedasmoretypical curs as a linear, north-south-striking belt which is of hydrothermal,epigeneticore...Amaliagreentimes. stonebelt is significantlyyoungerthanthe Barberton In additionto surfaceexposures,a large number |
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