| 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...phlogopite–tetraferriphlogopite), titanates (priderite, freudenbergite), zirconium silicates (khibinskite...exploration. The “classic” 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) | of haggertyite appears to have resulted from a local chemical environment created by element diffusion...collected on East Hill within the crater of Diamond State Park, southwestern Arkansas. The history of the...Miser and Ross (1923). The intrusion is situated south of the limit of the Proterozoic crustal provinces...cm. The drawing shows the limit of the perovskite-free zone (dashed line) around the xenolith and the localization...various oxides: sp = spinel; il = ilmenite; pr = priderite; h = haggertyite. 422 VELDE: HAGGERTYITE PARAGENESIS | | | Report (issue) | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES | | | Journal (article/letter/editorial) | geological setting and kimberlites of the Udachnaya mine (Daldyn field, Yakutian diamondiferous province...spectroscopic (EDS) system equipped with a liquid nitrogen-free XMax-80 Silicon Drift Detector (Oxford Instruments...Pln—pleonaste; Pn—pentlandite; Po—pyrrhotite; Prd—priderite; Prv—perovskite; Rct—richterite, Rlg—redledgeite;...UV-13-233 was picked in the Udachnaya-East open-pit mine from a volcanoclastic partially serpentinized kimberlite...O19 (Ba,K)(Ti,Cr,Fe,Al)12 O19 YIHA YIHA HGM priderite redledgeite KFe3+ Ti7 O16 BaCr2 Ti6 O16 Prd | | | Journal (article/letter/editorial) | xenolith from the Roberts Victor kimberlite mine in South Africa. We find that its textural and mineralogical...xenolith from the Roberts Victor kimberlite pipe (South Africa). We evaluate the possible role of incipient...Methods 2.1. SS2 eclogite xenolith SS2 is a diamond-free eclogite xenolith, about 20 x 15 x 7 cm in size...size, from the Roberts Victor kimberlite pipe (South Africa) (Fig. 1). The xenolith is a typical example...and a number of rare and unusual minerals, like priderite (Almeida et al., 2014), henrymeyerite (Kogarko | | 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 | | | Journal (article/letter/editorial) | crystallization of perovskite (and apatite). Priderite ((K,Ba)(Ti,Fe3+)8O16) has low Mg and V, and a...Ba)2(Ti,Fe)6O13), has higher Sr and Nb content than priderite. Both contain low Y and REEs. Wadeite (K2ZrSi3O9)...Wade and Prider 1940; Prider 1965). The mineral priderite (K,Ba)(Ti,Fe3+)8O16 was named in his honour (Norrish...perovskite, approximately 250 EPMA analyses of priderite, jeppeite, ilmenite, wadeite and noonkanbahite...more than 100 LA-ICP-MS analyses of perovskite, priderite, jeppeite, wadeite and noonkanbahite. The West | | | Journal (article/letter/editorial) | (colombianita). Gold-amalgam (Hg 57"4 %) from Colombia, South America, analysed by tI. Schneider in 1848. Comstockite...981 changed to cvaporite); reprinted in New York State Mus. Bull., 1924, no. 251, p. 116. Salts deposited...oxide, ('dO, cubic (3rd List, p. 380) from Genarutta mine, Monteponi, Sardinia. Syn. of nlonteponite (18th...Mallet in 1866, in chromite from near the Hanl6 monastery, Kashmir. Named from the locality. [M.A. 11- 518...iodide as minute scarlet cubes from Broken Hill, New South Wales. Described, as distinct from coccinite, by | | Hwang, P., Taylor, W. R., Rocky, N. M. S., Ramsay, R. R. (1994) Mineralogy, geochemistry and petrogenesis of the Metters Bore No. 1 lamproite pipe, Calwynyardah Field, West Kimberley Province, Western Australia. Mineralogy and Petrology, 51 (2) 195-226 doi:10.1007/bf01159727 | Journal (article/letter/editorial) | glassy groundmass including diopside, leudte, priderite, apatite, less abundant chrome-spinel, perovskite... 196 P. Hwang et al. nance of a low oxidation state during magmatic crystallization, a feature shared...the bulk composition and low magmatic oxidation state of MB1 supports an origin by melting of phlogopite-bearing...(fields) of lamproite pipes, aligned roughly north-south, into which the Province may be divided. All the...field to the north or the Noonkanbah field to the south (Fig. 1). The seven pipes of the central Calwynyardah | | | Journal (article/letter/editorial) | titanates from the Jagersfontein kimberlite, South Africa: Implications for metasomatism in the upper...Kimberley diatrcme complex in the Republic of South Africa. Data on this kimberlite are sparse (JOHNSTON...R~CKARD, 1977; JONES et al., 1982). Other grains are free of silicate inclusions (e.g. ilmenites and chromites)...Bultfontein, De Beers and Kolonkwanen kimberlites in South Africa (HAG GERTYet al., 1983). 1835 Twenty nine...and K-rich members from other kimberlites in South Africa (H-l are from JONES etal., 1982: Buhfontein-SMYTH | | | Book | Group Name: Barakar 3.7.4. Group Name: Murun 3.8. South American Lamproites 3.8.1. Group Name: Coromandel...Spinels Priderite 6.10.1. Paragenesis 6.10.2. Composition 6.10.3. Ba-Titanates Related to Priderite 6.10...Madupitic Lamproites Synthetic Systems The Oxidation State of Lamproite Magmas Summary 354 356 357 360 362...of three new rock types; wyomingite (after the state of Wyoming), orendite (after Orenda Mesa-etymology...Similarly, wyomingite is grouped in the feldspar-free family (No. 25) with nephelinite, melilitite, and | | | 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 | | | Journal (article/letter/editorial) | Olivine-bearing leucite phlogopite lamproites are present at South Table Mountain. The olivine makes up < 5 vol.% of...leucite; potassium richterite; diopside; glass; priderite; apatite; and wadeite. Petrographically, it is...summary, on the basis of the above comments, olivine-free relatively silica-rich phlogopite lamproites are...K—Baphosphate (see below). Olivine, orthopyroxene, priderite, rutile and armalcolite are phases which were...septatitanate hollandites, e.g. K2TMgTi7Oi6 (priderite' are stable at 5 GPa (Foley et al., 1994). However | | | Journal (article/letter/editorial) | Department of Geochemistry, Institute of Earth Sciences, State University of Utrecht, Budapestlaan 4, Postbus 80...derived, formed in thc uppcr mantle as a result of local metasomatism or by crystallization from magmas of...green pyroxenes in potassic lavas from Birunga (south-western Uganda) and Vesuvius (Italy). More recent...samples were available for study to enable us to state whether or not such pyroxenes are common in the...xenoliths from the Toro-Ankole volcanic region, south-western Uganda, was described by Holmes in several | | | Book | discovery of these rocks in the Orange Free State of South Africa. The name is not a new one: In 1928,...3. Boshof District . . . 1.8.3.1. Roberts Victor 1.8.3.2. New Elands 1.8.4. Winburg District ... 1.8.5...Kroonstad District .. 1.8.6. Swartruggens District. 1.8.7. Dokolwayo .. 1.8.8. Prieska District 1.8.9. Summary...derived from kimberlites were first found in South Africa in October 1869 on the farms Bultfontein and...to shallow water-filled depressions known in South Africa as "pans." It was not recognized at that time | | | Journal (article/letter/editorial) | xenoliths from kimberlite, specimens from Kimberley, South Africa have formed the basis of several metasomatism...Cr-pyrope and Cr-diopside. More exotic phases are priderite and Ba-Sr-K titanates (lindsleyite, mathiasite...Zircon/ilmenite intergrowth in kimberlite, Kimberley, South Africa (Raber and Haggerty 1979). 12 From Ultrama®c...zircon and ilmenite in composite grains from the Monastery and Mothae kimberlites contains higher TiO2 (up...zircon/ilmenite intergrowth in kimberlite from Kimberley, South Africa (Raber and Haggerty 1979; see Table 3, analysis | | | Journal (article/letter/editorial) | olivine melilitites from Namaqualand-Bushmanland, South Africa Stephen E. Haggerty 1, A.E. Moore*' z and A... University of Cape Town, Rondebosch, 7700, South Africa Abstract. Ilmenite macrocrysts 3 in olivine...olivine melilitites from Namaqualand-Bushmanland, South Africa, have decomposed by subsolidus reduction to...suites where groundmass assemblages are magnetite, priderite, and perovskite (e.g. Carmichael 1967 ; Jaques...genetically related in the Salpetre Kop district of Sutherland, South Africa. Crystallization trends of C r - | | Shaikh, Azhar M., Patel, Suresh C., Bussweiler, Yannick, Kumar, Satya P., Tappe, Sebastian, Ravi, S., Mainkar, Datta (2019) Olivine trace element compositions in diamondiferous lamproites from India: Proxies for magma origins and the nature of the lithospheric mantle beneath the Bastar and Dharwar cratons. Lithos, 324. 501-518 doi:10.1016/j.lithos.2018.11.026 | Journal (article/letter/editorial) | University of M Johannesburg, Auckland Park 2006, South Africa d e ED Geological Survey of India, Bandlaguda...insights into the composition and thermal AN state of cratonic mantle lithosphere as sampled by lamproites...Prelevic and Foley, 2007). Moreover, the thermal state of the sub-continental lithospheric mantle (SCLM)...in the east, Southern Granulite Terrain in the south and Godavari graben in the north-east. It is occupied...IP T Mahanadi graben, and from the EDC in the south-west by the Godavari graben (Fig. 1a). It is the | | Leost, I., Stachel, T., Brey, G. P., Harris, J. W., Ryabchikov, I. D. (2003) Diamond formation and source carbonation: mineral associations in diamonds from Namibia. Contributions to Mineralogy and Petrology, 145 (1) 15-24 doi:10.1007/s00410-003-0442-5 | Journal (article/letter/editorial) | carbon-rich agent. The resulting unusual, olivine-free mineral association and the host diamonds are interpreted...three diamonds—from Mwadui (Tanzania), Monastery (South Africa) and Udachnaya (Siberia; Moore and Gurney...50 kbar were also derived for the three lamellae-free clinopyroxene inclusions considered to belong to...Tectono-metallogenic units and metallogenic provinces of Africa. Earth Planet Sci Lett 1:421–434. Dalton JA, Wood...peridotite nodules from the Kimberley pipes, South Africa, In: Menzies MA, Hawkesworth CJ (eds) Mantle | | | Book | (Novosibirsk) International Treasurer: H.O.Meyer (USA) Local Treasurer: 0 AKozmenko (Novosibirsk) Members: V...associated alkalic basaltic rocks from Pishin District, Pakistan.4 Reasons of variations of individual...prognosis and prospering of diamond's host rocks on the south of Siberian platform.38 The petrology and geochemistry...a polymict xenolith from the Kimberley Area, South Africa......40 Eclogites from the Mir kimberlite, Russia:...diamonds formation.47 Compositional evolution of the Monastery megacrysts and parent magma.................. | | | Book | fields in South Africa 8 1.4 Major kimberlite sites in Russia 9 1.5 Main Russian diamond mine sites and...within Siberian platform 13 1.6 Kimberlite fields south of the White Sea 15 1.7 Diamond placers in Venezuela...kimberlite, Colorado 97 6.7 High wall at Kelsey Lake mine in Colorado with kimberlite breccia lying under...epiclastic facies of kimberlites in central and southern Africa 104 6.11 Lesotho dike swarm 107 6.12 Vertical...southwest Africa 150 8.2 The drainage area of Orange River through major kimberlite fields of South Africa | | Shaikh, Azhar M., Kumar, Satya P., Patel, Suresh C., Thakur, Satyajeet S., Ravi, Subramanian, Behera, Duryadhan (2018) The P3 kimberlite and P4 lamproite, Wajrakarur kimberlite field, India: mineralogy, and major and minor element compositions of olivines as records of their phenocrystic vs xenocrystic origin. Mineralogy and Petrology, 112. 609-624 doi:10.1007/s00710-018-0562-2 | Journal (article/letter/editorial) | ÂCr2O3), to Mgfree or magnesian (0–11.1 wt% MgO) Ti-free or titanian (0–3.1 wt% ÂTiO2) magnetite (Supp. Table...typomorphic minerals such as leucite, sanidine, priderite and wadeite, P4 can be classified as an olivine...phlogopite cores in mantle xenoliths from several South African kimberlites (e.g. Carswell 1975; Dawson...peridotite nodules from the Kimberly pipes, South Africa (Erlank et al. 1987). These textural and compositional...subsequently emplaced in a plastic or near solid state so that they could be deformed by torsional forces | | | 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-WYC•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, SU•}tERLAND, SOU'iH AFRICA J. R. •cIver and J. Ferguson M•NERALOGY AND PETROLOGY...MINERAL CHEMISTRY OF A KIMBERLITE FROM THE PR•I•IER MINE: I•iPLICATIONS FOR THE EVOLUTION OF KiFmEHLITIC | | | Report (issue) | Ellen Mullen Morris Department of Geology Sul Ross State University Alpine, Texas 79832 Jill Dill Pasteris...Kimberlites, held at the Geological Society of America South-Central Section meeting, Apr. 15-16, 1985, Fayetteville...Dill, 1952— III. Geological Society of America. South-Central Section. IV. Symposium on Alkalic Rocks...Koseluk, and Matthias Rosenhauer The mantle redox state; An unfinished story? Interpretation of the sulfide...lamprophyres and related rocks from Westland and Otago, South Island, New Zealand . Barbara A. Barreiro and Alan | | | Journal (issue) | Gwhemistry, W w s i I y d Cape Town, Randebasch, Sooth Africa, DE Lwihscin k prc fsssor h It)@ Deparfment of...Finsch and Kimberley pipes in South Africa; those from the Premier mine appeared to be about 1,200 My...a diamond ( I mm across) from the Finsch mine, South Africa, was dated by geochronological methods to...on diamonds from several other pipes in southern Africa and Australia. (For a discussion of some earlier...diamonds and lzimberlite emplacement at the Premier mine. This suggests that, in this example, they may be |
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