| | Report (chapter) | Abstract: Serpentinites from Sierra Nevada (Granada, south of Spain) have traditionally been used as ornamental...Outside Granada, the serpentinites are seen at the monastery of El Escorial, The Royal Palace and the convent...quarries of serpentinite from Sierra Nevada (Granada, South of Spain): (1) Barranco de San Juan; (2) San JeroĚnimo;...exploited the same materials and was located in the municipality of DÄąĚlar. Although there are no references...amphiboles or chrysotile and carbonates (calcite and/or dolomite), which fill fractures. The rock has a nonpseudomorphic | | | Report (chapter) | Library, CandelĂĄria Church and SĂŁo Bento Brasil Monastery â used gneissic rocks (generically called âphacoidal...the Carrara region emigrated to the south region of Brazil (state of Rio Grande do Sul). But even with...company, established in Rio de Janeiro, traversed the state of Minas Gerais in search of deposits of marbles...granites to supply the company. Thus, in the municipality of Mar de Espanha, in the region of Juiz de...in the state of Rio de Janeiro, and in the regions of Sete Lagoas and Ouro Preto, in the state of Minas | | | Book | ............................ 126 5.3.3.2. West Africa ........................................... 126...11. 6.12. 6.13. 6.14. 6.15. 6.6.3 .1. Diverse South African Kimberlites (Dawson and Smith 1975, Smith...7.2. 2. Compositional Variation of Contamination-Free Kimberlites .......... 7.2 .2 .I. Intra-kimberlite.......................... 437 KIMBERLITES Ex Africa semper aliquid novi. Pliny The Elder, Natural...confluence of the Vaal, Orange, and Riet Rivers of South Africa in 1866-1867. The ebb and flow of prospecting | | | Book | relevant protective laws and regulations and therefore free for general use. 2132/3130-543210 To my wife,...collaboration. Much of my fieldwork in southern Africa has been carried out with the cooperation and assistance...7.3 2.8 2.9 Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . West Africa . . . . . . .... . . . . Central Africa. . . . . . . . . . . . . . . . . . . . . . . East Africa. . . . . . . . . .... . . . . . . . . . . . . . . . Southern Africa . . . . . . . . . . . . . . . . . . . . . U.S.S.R. . | | | Journal (article/letter/editorial) | abundance of carbonate minerals (e.g., calcite, dolomite) and hydrous silicate minerals (e.g., phlogopite...et al. [44];ettheir 2. Polymineralic diamondmine, mine, Slave craton, Canada (modified after Bussweiler...Gurney et al., 1979 [32] Monastery kimberlite, Kaapvaal craton, South Africa ol Ti-rich phl, ol, spl...and BĂźttner, 2019 [45] Monastery kimberlite, Kaapvaal craton, South Africa ol cc, phl, spl (low Al...calcite, chr = chromite, cpx = clinopyroxene, dol = dolomite, grt = garnet, ilm = ilmenite, mgt = magnetite | | Kamenetsky, Vadim S., Belousova, Elena A., Giuliani, Andrea, Kamenetsky, Maya B., Goemann, Karsten, Griffin, William L. (2014) Chemical abrasion of zircon and ilmenite megacrysts in the Monastery kimberlite: Implications for the composition of kimberlite melts. Chemical Geology, 383. 76-85 doi:10.1016/j.chemgeo.2014.06.008 | Journal (article/letter/editorial) | abrasion of zircon and ilmenite megacrysts in the Monastery kimberlite: Implications for the composition of...ilmenite and zircon megacrysts from the Monastery kimberlite (South Africa) represent a textbook example of...exploration. The âclassicâ megacryst suite in the Monastery kimberlite, renowned for the size of its crystals...more abundant in the Group I Monastery kimberlite pipe in South Africa than in any other studied kimberlite...1997). In the main Cr-poor megacryst suite at Monastery, coexisting garnet, clinopyroxene and orthopyroxene | | | Report (chapter) | trade also occurring in minor quantities with North Africa, Greece, Italy, and France. Three representative...San Severo, along with its annexed mausoleum, monastery and medieval From: PrĚikryl, R., ToĚroĚk, AĚ...interregional trade and substitution of imported goods for local production characterized the seventh century. Both...the Late Antique Western Empire. A Benedictine monastery was subsequently constructed next to the basilica...(Fig. 2). The first written reference to the monastery dates back to AD 955, but pottery analysis indicates | | | Book | calcite, clay minerals and fragments of crustal and local host country-rock. At Lattavaram the kimberlite...Akimoto and Masaki Akaogi (Institute for Solid State Physics, University of Tokyo, Roppongi 7-22-1, Minato-ku...Iherzolite nodules in kimberlites(from Lesotho and South Africa) and were analysed for isotopic compositions...University of the Witwatersrand, Johannesburg, 2001, South Africa) Radiometric age determinations were undertaken...undertaken on 15 kimberlite occurrences in Southern Africa, emphasis being placed on a wide areal distribution | | | Journal (issue) | sales of pink and blue diamonds from the Argyle mine ⢠Chalcedony-epoxy composite imitation of âcandy...Paris, France New York, New York Johannesburg, South Africa Al Gilbertson Laura Otter Wuyi Wang Carlsbad...Schmetzer traces the history of the Habachtal emerald mine through several centuries up to World War I, using...inclusions. referred to as the Pyu city-states. This state structure was replaced by a line of larger kingdoms...left: 7.63, 9.77, and 7.44 ct) from the Baw Mar mine at Kyatpyin in the Mogok region of Myanmar. Photo | | | Book (volume) | yee M3 vd MITCHELL MEMORIAL LIBRARY MISSISSIPPI STATE UNIVERSITY I Iliu MISS. STA Digitized by the...NOTHOLT AND Introduction North America 9 South America /0 Africa /0 Europe Asia R.P. SHELDON 9 //...Cambrian 96 Armorican Platform 97 Phosphatic sediments South European Platform Phosphatic sediments Summary 98...phosphogenesis J/0/ Canadian Shield Aphebian State of Goias 1/2] Cedro do AbaetĂŠ Minas Gerais 1/23...environments Major structural features of West Africa during the Proterozoic and Palaeozoic /08 General | | | Book (volume) | ANDWILLIAMSON MINE, TANZANIA H.-M. Tsai, O. A. Meyer, 0. Moreau, and H. Judith Milledge REGIONAL AND LOCAL VARIATIONS...KIFYBERLiTES IN THE COLORADO-WYCâ˘ING STATE mINE DISTRICT 42 M. E. McCal!um, C. D. Mabarak, and H... K. J. Stracke, 59 OF KIMBEHLITES H.-M. IN SOUTH-EASteRN AUSTRALIA 71 J. Ferguson, an⢠L. P. Black...CARBONATITEERUPTIVES AT SALTPETRE 111 KOP, SUâ˘}tERLAND, SOU'iH AFRICA J. R. â˘cIver and J. Ferguson Mâ˘NERALOGY AND PETROLOGY...MINERAL CHEMISTRY OF A KIMBERLITE FROM THE PRâ˘Iâ˘IER MINE: Iâ˘iPLICATIONS FOR THE EVOLUTION OF KiFmEHLITIC | | | Journal (article/letter/editorial) | Town, Rondebosch, Cape Province, Republic of South Africa Although the names of the inclusion suites...clinopyroxenebearing (lherzolites) or clinopyroxene-free (harzburgites) but the mineral compositions in both...relations summarised in Fig. 1A for a model A1203-free mantle peridotite with a composition such as would...the decarbonation reaction: orthopyroxenes~ + dolomite~s = clinopyroxene,~ + olivine + CO2. With excess...phase assemblages noted refer to CO2-bearing and H20-free system, ol: olivine; opx: orthopyroxene; cpx: clinopyroxene; | | | Journal (article/letter/editorial) | Wesselton and Dutoitspan kimberlite diatremes, S. Africa (WAGNER, 1914; WILLIAMS, 1932), in several other...rocks from the De Beers Mine (WILLIAMS, 1932), mica-apatite rock, Newlands Mine (WAGNER, 1914), phlogopiteeolivine...diopside-phlogopite rock from the Roberts Victor Mine, the minerals of which have MARID-type composition...irregular shape of the ilmenite resulting from solid-state recrystallization. Furthermore, the rock is penetrated...attendant hydrothermal alteration to serpentine and dolomite of minerals adjacent to fractures The above textural | | Lim, Emilie, Giuliani, Andrea, Phillips, David, Goemann, Karsten (2018) Origin of complex zoning in olivine from diverse, diamondiferous kimberlites and tectonic settings: Ekati (Canada), Alto Paranaiba (Brazil) and Kaalvallei (South Africa) Mineralogy and Petrology, 112. 539-554 doi:10.1007/s00710-018-0607-6 | Journal (article/letter/editorial) | (Canada), Alto Paranaiba (Brazil) and Kaalvallei (South Africa) Emilie Lim 1 & Andrea Giuliani 1,2 & David... Tres Ranchos-04), and the Kaapvaal craton, South Africa (Kaalvallei: Samada, New Robinson). Olivine...Samada and New Robinson (Kaalvallei cluster), South Africa (Fig. 1). This is the first detailed study of...cluster, which intruded into the Kaapvaal craton, South Africa. The Samada sample (173/44/ K8/7) is from the...Ocean Limpeza, Tres Ranchos South Africa (47°W, 19°S ) Samada, New Robinson South (27°E, 28°S) Atlantic Ocean | | Starikova, Anastasiya, Prokopyev, Ilya, Doroshkevich, Anna, Ragozin, Alexey, Chervyakovsky, Vasily (2021) Polygenic Nature of Olivines from the Ultramafic Lamprophyres of the Terina Complex (Chadobets Upland, Siberian Platform) Based on Trace Element Composition, Crystalline, and Melt Inclusion Data. Minerals, 11 (4) 408 doi:10.3390/min11040408 | Journal (article/letter/editorial) | Department of Geology and Geophysics, Novosibirsk State University, 630090 Novosibirsk, Russia Geological...fine-grained aggregates of clinopyroxene, biotite, dolomite, calcite, apatite, and in some cases, potassium...Geology and Mineralogy (IGM) and the Novosibirsk State University (NSU) in Novosibirsk, Russia. Samples...groundmass of ultramafic lamprophyres contains calcite, dolomite, and phlogopite, as well as disseminated micrograins...olivines from the Cr-poor megacryst suite from the Monastery kimberlite [46], were provided for comparison | | | Journal (article/letter/editorial) | Kimberlite-hosted diamond deposits of southern Africa: A review Matthew Field a,â, Johann Stiefenhofer...Southdale, 2135, South Africa c De Beers Group Services, PO Box 47, Kimberley, South Africa d De Beers Canada...discovery of diamonds in river deposits in central South Africa in the mid nineteenth century, it was at Kimberley...economic and industrial development of southern Africa. Following the discoveries at Kimberley, even more...more valuable deposits were discovered in South Africa and Botswana in particular, but also in Lesotho | | | Journal (article/letter/editorial) | GOLD Department of Ceoscitmces, The Pennsylvania State University, University Park, Pennsylvania 16802...composition of carbonatite carbonates. q Calcite; n dolomite; 13 ankerite; Ixiiron-bearing calcite. the carbon...rock types within c~rbon~ti~s, r~uhaugi~s (mainly dolomite with ~~~esso~ minerals) are sys~rn&tica~y enriched...is only one carbonatite (Oka) for which one can state the average carbon isotopic composition for sovites...beforsitic (dolomite bearing) dikes at Sengeri Hill (Mbeya carbonatite, southwestern Tanzania, East Africa; SUWAet | | Giuliani, A., Kamenetsky, V.S., Kendrick, M.A., Phillips, D., Wyatt, B.A., Maas, R. (2013) Oxide, sulphide and carbonate minerals in a mantle polymict breccia: Metasomatism by proto-kimberlite magmas, and relationship to the kimberlite megacrystic suite. Chemical Geology, 353. 4-18 doi:10.1016/j.chemgeo.2012.09.025 | Journal (article/letter/editorial) | (DU-1) from the Bultfontein Dumps (Kimberley, South Africa). Xenolith DU-1 contains heterogeneous domains...isotope values (initial ÎľHf =2.1â3.0) in the range of South African Group I kimberlites and associated megacrysts...Carbonate-rich inclusions host abundant magnesite and dolomite, with subordinate kalsilite, phlogopite, alkali-carbonates...collected from the Bultfontein Dumps (Kimberley, South Africa). Textural relationships, mineral inclusion...collected from the Bultfontein Dumps (Kimberley, South Africa). The Bultfontein Dumps comprise waste material | | Moore, R.O., Griffin, W.L., Gurney, J.J., Ryan, C.G., Cousens, D.R., Sie, S.H., Suter, G.F. (1992) Trace element geochemistry of ilmenite megacrysts from the Monastery kimberlite, South Africa. Lithos, 29 (1) 1-18 doi:10.1016/0024-4937(92)90031-s | Journal (article/letter/editorial) | geochemistry of ilmenite megacrysts from the Monastery kimberlite, South Africa R . O . M o o r e a, W . L . G r...Geochemistry, University of Cape Town, Rondebosch 7700, South Africa bDivision of Exploration Geoscience, CSIRO,...from the Monastery kimberlite, South Africa. Lithos, 29: 1-18. Ilmenite megacrysts in the Monastery kimberlite...ilmenite, the crystallization sequence of the Monastery megacryst suit is ilmenite+cpx+garnet+opx, followed...intergrown with one or more silicates, from the Monastery Mine. The analytical data include major-element | | | Book (volume) | Diamond-Graphite Ecologite From the Roberts Victor Mine, C. J. Hatton and John J. Gurney .................Granulites and Eclogites From Lesotho, Southern Africa, W. L. Griffin, D. A. Carswell, and P. H. Nixon...Garnet Harzburgite XenolithsFrom the Premier Mine, South Africa, R. V. Danchin ...........................the Bultfontein and De Beers Mines, Kimberley, South Africa, P. J. Lawless, J. J. Gurney, and J. B. Dawson...257 The Ilmenite Associationat the Frank Smith Mine, R.S.A., Jill Dill Pasteris, F. R. Boyd, and P. | | | Report (issue) | Survey Special Bulletin No. 13, 1992 Diane Conrad, State Geologist BEDROCK GEOLOGY OF THE FAYSTON - BUELS...Survey Special Bulletin No. 13, 1992 Diane Conrad, State Geologist TABLE OF CONTENTS ABSTRACT . 1 INTRODUCTION............................. BATTELL FORMATION MONASTERY FORMATION .................................................................................... Local Correlations Regional Correlations DEPOSITIONAL...Member of the Battell Formation and Schists of the Monastery Formation ................... Average Modal Compositions | | | Journal (article/letter/editorial) | severalcompanies hasdismiles, centered about 30 miles south of Duchess closed large reserves of phosphate rock...confinethe and in the Northern Territory. BrokenHill South Limited has reportedtotal reservesexceeding2,000...DUCHESS PHOSPH.4TE DEPOSITS, 1189 .4USTR.4LL4 SOUTH NORTH Emp Ĺms PomegranateLimestone SelwynRange... . ..... Fro. 5. PhosphorReoutcrop, south bank of Monastery Creek (Rimmer Hill area). Siliceousphosphoritecomprising...MEMBER -⢠LSHALE MEMBER ::1--:-⢠ISILICEOUS I-MONASTERY CREEK PHOSPHORITE ⢠FACIES CAMâ˘'â˘';'"" '{BEETLE | | | Journal (article/letter/editorial) | the Lesotho kimberlites (Nixon and Boyd 1973a), Monastery (Gurney et al. 1979; Moore et al., 1992; GriďŹn...Jagersfontein (Hops et al. 1989, 1992) in southern Africa. (The locations of these and other southern African...the Nouzees kimberlite in North-West Province, South Africa (Jones 1987). Paired high- and low-Cr ilmenite...sometimes referred to as Crown); 8 Kaalvallei; 9 Monastery; 10 Northern Lesotho cluster (Thaba Putsoa and...relatively Cr-rich ilmenite populations from the Monastery kimberlite, characterized by diďŹerent and non-overlapping | | | Journal (article/letter/editorial) | of diamonds from the Mwadui Mine has the scope to provide data on the state of the lithospheric upper mantle...rifting in Eastern Africa (Dawson 1992). The Mwadui Mine (formerly known as Williamson Mine) in Western Tanzania...1977; Raber 1978; Shee 1980 unpublished). The Mwadui Mine preserves crater facies, including lake beds, a...low CaO region found for example, at the Finsch Mine diamonds (Harris and Gurney 1979). In general major...Magnetite (Fe3O4) Ferro-periclase Sulphide (sulph) Dolomite 24 17 1 8 0 1 6 1 1 4 1 Ol-py Ol-opx Ol-cpx | | Bussweiler, Y., Stone, R. S., Pearson, D. G., Luth, R. W., Stachel, T., Kjarsgaard, B. A., Menzies, A. (2016) The evolution of calcite-bearing kimberlites by melt-rock reaction: evidence from polymineralic inclusions within clinopyroxene and garnet megacrysts from Lac de Gras kimberlites, Canada. Contributions to Mineralogy and Petrology, 171 (7) doi:10.1007/s00410-016-1275-3 | Journal (article/letter/editorial) | additionally contain Al-spinel, clinopyroxene, and dolomite. The major and trace element compositions of the...peridotitic source must produce Mgrich carbonate, namely dolomite (e.g., Wyllie and Huang 1975; Dalton and Presnall...inclusions in olivine megacrysts from the Monastery kimberlite in South Africa and interpreted them 13 Contrib...inclusions in Cr-diopside from the Diavik Diamond Mine in the Slave Craton, Canada, established a link...Neoarchean juvenile arc in the east, creating a northâsouth-trending suture (e.g., Davis et al. 1996). Collisional |
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