| Defnet, Peter A., Wise, Michael A., Harmon, Russell S., Hark, Richard R., Hilferding, Keith (2021) Analysis of Garnet by Laser-Induced Breakdown SpectroscopyāTwo Practical Applications. Minerals, 11 (7) 705 doi:10.3390/min11070705 | Journal (article/letter/editorial) | Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA Institute for...multi-element analysis of material in any physical stateāgas, liquid, or solid [1]āand has particular attributes...the high-temperature plasma into a collection of free electrons plus weakly ionized molecular, atomic...with muscovite, biotite, garnet, tourmaline, and apatite typically present as accessory phases. Most LCT..., Hawk Mine, NC, USA; Rutherford Mine, VA, USA; Little 3 Mine, Ramona, CA, USA; Golcando Mine, Minas | | | Journal (issue) | pattern on tourmaline p. 387 382 G&G Micro-World Apatite-CO2 inclusions in Burmese sapphire ā¢ Chondrodite...sales of pink and blue diamonds from the Argyle mine ā¢ Chalcedony-epoxy composite imitation of ācandy...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 | | | 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. | | 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...carbonates (zemkorite, eitelite), phosphates (apatite, bradleyite, nahpoite), sulfates (aphthitalite)...exploration. The āclassicā 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 | | | Journal (article/letter/editorial) | India, Greenland and Africa have been determined and shown to be held by apatite (mainly F) and phlogopite...represented by six ultrabasic xenoliths from southern Africa (none has been found in the Indian kimberlites)...also investigated since this is relatively volatile-free. MATERIAL STUDIED Over half the specimens analysed...be divided in two groups; those from central and south India. The central Indian samples are serpentinised...phlogopite up to 0.5 cm across are often present. The south Indian samples, especially those from the Wajrakarur | | | 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. . | | | 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................................................ Apatite .................................................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 | | | 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 (article/letter/editorial) | heterogeneous noritic rock from the Frederiksdal area, South Greenland, was investigated chemically and texturally...magmatic layer within a heterogeneous basic rock from South Greenland is described. The sample came from about...gm. For each element count times were 30 s for apatite and 15 s for all the other minerals. For all elements...within a noritic host rock, Frederiksdal area, South Greenland L.i. loss on ignition A point counting...green amphibole, 12% ihnenite, 7% magnetite, 5% apatite, 3% biotite, 1% clinopyroxene, and 1% plagioclase | | BATUMIKE, J, GRIFFIN, W, BELOUSOVA, E, PEARSON, N, OREILLY, S, SHEE, S (2008) LAM-ICPMS UāPb dating of kimberlitic perovskite: EoceneāOligocene kimberlites from the Kundelungu Plateau, D.R. Congo. Earth and Planetary Science Letters, 267 (3) 609-619 doi:10.1016/j.epsl.2007.12.013 | Journal (article/letter/editorial) | analysis of perovskites from four previously dated South African Group I kimberlites. Intercepts of regression... The ages of Group I kimberlites in Kimberley District cluster around 87 Ma, similar to those determined...series), diopside (Al- and Ti-poor), monticellite, apatite, calcite, ā Corresponding author. ARC National...perovskites from some previously-dated Group I South African kimberlites. 2. Geological setting The Kundelungu...Mesoproterozoic Irumide belt to the southeast, and to the south by the Mesoproterozoic Choma-Kalomo block and the | | 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 (47Ā°W, 19Ā°S ) Samada, New Robinson South (27Ā°E, 28Ā°S) Atlantic Ocean | | | Journal (article/letter/editorial) | 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 BĆ¼ttner, 2019 [45] Monastery kimberlite, Kaapvaal craton, South Africa ol cc, phl, spl (low Al...djerfisherite no estimate Mineral abbreviations: ap = apatite, cc = calcite, chr = chromite, cpx = clinopyroxene...phlogopite (phl), chlorite (chl), and accessory apatite (ap); (B) Polymineralic inclusion within a Cr-pyrope | | | Journal (article/letter/editorial) | Kimberlite-hosted diamond deposits of southern Africa: A review Matthew Field a,ā, 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 (issue) | and the diamond deposits and pearl farms in the south. Myanmar's gemstone wealth is set out in Table 1...large spinel is set in the front of the Imperial State Crown. From its properties and inclusions it w o...in the proceedings of that meeting, goes on to state that a concession was granted to Messrs Streeter...he was asked to survey and report on the mining district by the concessionaires. The map he produced at...3), is rich in such mines. 'The second class of mine is called "Myaw" [also known as " H m y a w d w | | | Journal (article/letter/editorial) | Wesselton and Dutoitspan kimberlite diatremes, S. Africa (WAGNER, 1914; WILLIAMS, 1932), in several other...dominates, amphibole, clinopyroxene, ilmenite, rutile, apatite and olivine also occur in various amounts and combinations...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 | | | 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 //...The Hamersley iron ore deposits and accompanying apatite 22 / Contents Vi Willyama Inlier The deposition...deposits in China 23 The BIFs and accompanying apatite Pine Creek Geosyncline 23 23 Stratigraphy 24...Cambrian 96 Armorican Platform 97 Phosphatic sediments South European Platform Phosphatic sediments Summary 98 | | 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...macrocrysts: early phlogopite-diopside-calcite-apatite association, containing Ti-magnetite and ilmenite...alterations and contained K-feldspar-aegirine and apatite-phlogopite fenite zones [34ā36]. Figure 1. (a)...of clinopyroxene, biotite, dolomite, calcite, apatite, and in some cases, potassium feldspar, as well...Geology and Mineralogy (IGM) and the Novosibirsk State University (NSU) in Novosibirsk, Russia. Samples | | | Journal (article/letter/editorial) | Geology, Rhodes University, Grahamstown, 6140, South Africa b c SC R a School of Earth and Ocean Sciences...abundant in the megacryst-rich mid-Cretaceous Monastery and early Proterozoic Colossus kimberlites, located...association which have been documented in the Monastery kimberlite. This points to a genetic link between...megacrysts; Cr-rich T megacrysts; Colossus, Monastery. IP 1. Introduction SC R Olivine is invariably...These typical chemical trends are illustrated for South African Group I and Group II kimberlites in Figs | | | Journal (article/letter/editorial) | trace elements 773 inclusions (e.g. ilmenite, apatite, zircon, monazite) as other phases which are obviously...THIS STUDY Pyrope from kimberlite, Monastery Mine, Orange Free State. The sample 1. was a large, homogeneous...8And3.7UV0.1 (core to rim), and Minor amounts of apatite and have reaction rims of plaqioclase+ilmenite...rock and commonly contain inclusions of acicular apatite and euhedral zircon (see Fig. 2); inclusions of...TAGIRI -et al. (1975). Fig. 2. Inclusions of apatite (long needles) and zircon (short prismatic crystals | | HANSON, E.K., MOORE, J.M., BORDY, E.M., MARSH, J.S., HOWARTH, G., ROBEY, J.V.A. (2009) CRETACEOUS EROSION IN CENTRAL SOUTH AFRICA: EVIDENCE FROM UPPER-CRUSTAL XENOLITHS IN KIMBERLITE DIATREMES. South African Journal of Geology, 112 (2) 125-140 doi:10.2113/gssajg.112.2.125 | Journal (article/letter/editorial) | A. ROBEY 125 CRETACEOUS EROSION IN CENTRAL SOUTH AFRICA: EVIDENCE FROM UPPER-CRUSTAL XENOLITHS IN KIMBERLITE...Rhodes University, P.O. Box 94, Grahamstown, South Africa email: emilykhanson@gmail.com; j.moore@ru.ac...Kimberley, South Africa email: jock.robey@debeersgroup.com Ā© 2009 June Geological Society of South Africa ABSTRACT...fourteen Group I kimberlite diatremes in central South Africa were examined for upper crustal xenoliths in...eruption (~85 Ma), they were restricted to the south-eastern half of the study area. At the latter time | | | Journal (article/letter/editorial) | Eclogites from the Chicundo (Angola) and Lace (S. Africa) kimberlites have been subject to post-equilibrium...kimberlite intrusions of the Roberts Victor Mine and Bellsbank (S. Africa), and from the Mir and Udachnaya kimberlites...phases are analcime, Ba-feldspar, baryte, calcite, apatite, pectolite, natrolite and glass (Berg, 1968; Lappin...partial melting, and Spetsius and Taylor (2002) state that all the Siberian eclogites have been partly...the textures of samples from the Roberts Victor Mine, deļ¬ning Group I as characterised by rounded garnet | | | Journal (article/letter/editorial) | Accepted Manuscript New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich...Steffen H. BĆ¼ttner , New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich... ACCEPTED MANUSCRIPT New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich...Rondebosch 7701, South SC 1 RI Geoffrey H. Howarth1,2,* and Steffen H. BĆ¼ttner3 Africa Department of...Geology, Rhodes University, Grahamstown 6040, South Africa NU 2 AC CE PT E D MA *Corresponding | | | 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 Åms PomegranateLimestone SelwynRange... . ..... Fro. 5. PhosphorReoutcrop, south bank of Monastery Creek (Rimmer Hill area). Siliceousphosphoritecomprising...MEMBER -ā¢ LSHALE MEMBER ::1--:-ā¢ ISILICEOUS I-MONASTERY CREEK PHOSPHORITE ā¢ FACIES CAMā¢'ā¢';'"" '{BEETLE | | | Journal (article/letter/editorial) | University of the Witwatersrand, Johannesburg 2001 (South Africa) (Received April 5, 1982; revised and accepted...localities); of these, five (the Kimberley pipes and Monastery) are certainly post-Karroo .- ' ' ' t._-',~,..." o ! 5 00 ! Fig. 1. Sketch map of southern Africa with localities of pipes studied (1 = Kimberley...Bultfontein Wesselton, Dutoitspan pipes; 2 = Monastery ; 3 = Goadgevonden ; 4 = Beit Bridge; 5 = Colossus;...for whole-rock or for mineral separation, were as free of xenoliths or xenocrysts as possible. Often this | | | Journal (article/letter/editorial) | garnets from the subcontinental mantle of southern Africa David R. Bell and George R. Rossman Division of...occurring as xenoliths in kimberlites of southern Africa. OH abundances, using the best currently available...garnets from the wellstudied kimberlites of southern Africa, and to determine if these variations are linked...from xenoliths erupted in kimberlites of southern Africa. This area was chosen for study due to ready sample...were analyzed from the following kimberlites: Monastery, Kaalvallei, Jagersfontein (on-craton, group I) |
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