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Graphite from
Catoca Mine, Lunda Sul Province, Angola


Locality type:Mine
Classification
Species:Graphite
Formula:C
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Graphite data
Locality Data:Click here to view Catoca Mine, Lunda Sul Province, Angola
Data Identifiers
Mindat Occurrence Record ID:575277
Long-form Identifier:1:3:575277:5
GUID (UUID V4):f41f7ec1-95ee-450d-9f20-67f968b2df4f
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
of Xenoliths, from Kimberlites in Northeastern Angola Sandra E. Robles-Cruz 1,*, Joan Carles Melgarejo...in the Lucapa area, northeastern Angola: Tchiuzo, Anomaly 116, Catoca, Alto Cuilo-4, Alto Cuilo-63 and...petrogenetic evolution of the kimberlites in northeastern Angola and have important implications for diamond exploration...exploration. Minerals 2012, 2 319 Keywords: Angola; kimberlite; olivine; garnet; clinopyroxene; diamond;...xenoliths; REE; Sm/Nd isotopes 1. Introduction In Angola, more than 700 occurrences of kimberlite are distributed
Journal (article/letter/editorial)
Kimberlite Pipes of the Catoca Field, Angola V. N. Zinchenko Catoca Mining Company, Angola Republic Received...pipes of the Catoca field located in the Lunda diamond-bearing province of northeastern Angola. The diamond...the morphological spectrum of crystals from the Catoca and Kamitongo pipes, indicating more favorable...potential of their primary sources in northeastern Angola. DOI: 10.1134/S1075701508080199 INTRODUCTION The...pipes of the Catoca field located in the Lunda diamond province of northeastern Angola (Ganga et al.
Journal (article/letter/editorial)
Cretaceous kimberlites of the Lucapa graben in Angola. Analysis of 40 inclusion-bearing diamonds provides...We 5°S Be lt (K IB) Mbuji-Mayi K ib a Belt Angola Block 10°S Mesoproterozoic fold belts Neoproterozoic...Orogeny) Paleoproterozoic fold belts Poorly known province of Paleo-Mesoproterozoic crust reworked during...of discontinuous faults in southwest and central Angola (de Boorder, 1982). In addition to kimberlites...appear to be more concentrated in southwestern Angola off cratonic margins, whereas kimberlites tend
Journal (article/letter/editorial)
of Saint Petersburg, Russia c Catoca Geological-Mining Community, Angola Ac ce p te d M an us cr...age of upper mantle eclogite xenoliths from the Catoca and Cat-115 (Kasai Craton) pipes are presented...ratios. an The Nb/Ta and Nb/La ratios in the Catoca eclogites range from chondritic to superchondritic...and forming inclusions in diamonds. Because the Catoca kimberlite pipe is one of the richest diamond-bearing...on eclogite xenoliths from the Catoca and CAT-115 (Kasai Craton, Angola) kimberlite pipes, which are common
Journal (issue)
diamonds of cube and cuberelated shape from the Jwaneng mine,” Journal of Crystal Growth, Vol. 94, 1989, pp....has been more recently reviewed in an article of mine (B. Rondeau et al., “Diamants cubiques et presque...1930s and the impact of World War II. The Premier mine closed in 1932, and the Kimberley mines were closed...decades. There was a jump in 1968 when the Finsch mine came into full operation, after which production...resumed and gained momentum in 1992 when the Venetia mine came on stream. Production has climbed steadily
Journal (article/letter/editorial)
Russia CATOCA Mining Society, Av. Talatona, N/N, Quarter GU-01, Luanda 10257-10398, Angola Correspondence:...part of the Dharwar craton in India [69,83,84], Angola [85–87], and several localities from South Africa...Positions of co geotherms are after [122] and the graphite–diamond transition a [123]; the line above after...after [124]. geotherms are after [122] and the graphite–diamond transition a [123]; the line above aft...eclogites [65,66] of GrA–GrB–GrC trace the diamond-graphite boundary [95] and reflect rather high temperature
Journal (article/letter/editorial)
pipes (Ashchepkov et al., 2012b) pipes and for Catoca pipe (Ashchepkov et al., in press). New diagrams...V—Hapchan; VI—Birekte; VII–XII—Aldan–Stanovoy province: VII—Olekma, VIII—Central Aldan, IX—East Aldan...eclogitic and some low-Cr pyroxenitic inclusions trace graphite-diamond boundary (G-D). They are more widely distributed...the melt feeders because the largest pipes like Catoca have much higher sub-calcic garnets (Ashchepkov...studied pipes. The Mesozoic mantle geotherms from NE Angola (Fig. 13A), Congo (Batumike et al., 2009) (Fig
Journal (article/letter/editorial)
located within the Arkhangelsk Diamondiferous Province (NorthWestern Russia), and results of the U-Pb...(Schmitz et al. 2003); and the Catoca kimberlite in the Casai craton, Angola (Nikitina et al. 2014). Evaluating...located within the Arkhangelsk Diamondiferous Province (ADP), contains significant varieties of mantle...Archean cratonic regions Arkhangelsk diamondiferous province (ADP) Archean Belomorian mobile belt Proterozoic...2 Eclogite association in Belomorian eclogite province: 1 – Salma, 2 - Gridino detail by Griffin et
Journal (article/letter/editorial)
northeastern Angola, which hosts most of the kimberlites of the Congo Craton including Catoca, the world's...alluvial diamonds of the Kasai River, Katanga Province, Democratic Republic of the Congo (DRC), whose...of the cratonic mantle underpinning northeastern Angola. In the fifth paper of the category, Rudloff-Grund...diamond as well as from the transformation of graphite precursors. The fourth paper is from Kaminsky
Journal (issue)
provide glimmer of hope for beleaguered industry Angola From rough diamond to mining giant? Gabon Mining...Phenomenal geology + phenomenal team = phenomenal mine Khoemacau Delivering on expectations, planning the...interest you?” what it requires to deliver a new mine, the editor at the time asked. “Because I successfully...career in as lithium, nickel, an industry I’ve come graphite and cobalt. to love and respect. I’ve seen priorities...literally considering and busts and most my first mine visit recently, COVID-19. was to Mponeng – The only
Journal (issue)
lower-quality diamonds from Australia’s Argyle mine, coupled with the exponential expansion of India’s...Beers by securing lucrative diamond sources in Angola, Namibia, and Russia. De Beers recast its own operations...Congo [DRC] after 1996) Minière de Bakwanga (MIBA) mine and Angola’s state-owned diamond-mining company...the open market. With one exception (the Argyle mine), all major diamond production sources were controlled...producers (effectively forcing them to stock at the mine sites). Yet several forces were developing that
Journal (article/letter/editorial)
compositions from different regions Yakutian kimberlite province (Daldyn, Alakit and Malo-Botuobinsky fields)....from different regions within Yakutian kimberlite province (Nakyn, Upper Muna and Anabar fields). 1. Ilmenites...2006); 10. Brey and Kohler (1990). Line of diamond-graphite boundary after (Kennedy and Kennedy, 1976). (b)...the Mg-rich and Fe-rich varieties, for example in Angola (Robles-Cruz et al., 2009; Ashchepkov et al., 2012)...reveal the carbonatite signatures at least at the graphite– diamond boundary (Dobosi and Kurat , 2002; Rege
Journal (article/letter/editorial)
diplogenetic stratified copper deposit, Anhui Province—Xu Zhaowen, Lu Xiancai, Ling Hongfei, Lu Jianjun...Waterberg deposit: Why South Africa’s first platinum mine failed—Iain McDonald and Marian Tredoux 243 252...Xiazhuang uranium orefield, northern Guangdong Province—Ling Hongfei, Shen Weizhou, Deng Ping, Jiang Shaoyong...composition of the Berkeley pit lake and surrounding mine waters, Butte, Montana— Damon A. Pellicori, Christopher...fault in the Hearne domain, Western Churchill Province: U-Pb geochronological constraints—K. MacLachlan
Journal (issue)
moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...instrumentation such as LA-ICPMS—once primarily the province of academia—became a fixture in many gemological...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds...interest in Angola’s Catoca mine in the early 1990s. Commissioned in 1997, Catoca was producing just over
Journal (issue)
Afghan beryls from pegmatites at Ghursalak in Konar Province (aquamarine, morganite) and from the Panjshir...the Nilaw, Mawi and Kurghal regions of Laghman Province from cavities in pegmatite veins (Figure 1). ...Beryl samples from pegmatites of Ghursalak (Konar Province) and Panjshir Valley in NE Afghanistan were provided...of emerald occur in the Panjshir Valley (Kapisa Province). The Nilaw-Kolum Pegmatite Field (35°12' N and...the range 5-75º 2Θ, applying CuKα radiation, a graphite monochromator, voltage 35 kV, lamp current 30
Journal (article/letter/editorial)
minor amounts of rutile, ilmenite, zircon and graphite. Among the six paragneiss samples discussed in...right-lateral Sagaing fault (Fig. 1a). The Western province is composed of the Burma microplate and a part...region (e.g. Mitchell et al., 2007). The Eastern province belongs to the Sibumasu block of the Asian plate...belt lies along the western margin of the Eastern province. Yonemura et al. (2013), Maw Maw Win et al. (2016)...Ms, muscovite; Rt, rutile; Ilm, ilmenite; Gr, graphite; Ap, apatite; Mnz, monazite; Zrn, zircon; +, present;
Journal (issue)
against premature wear damage in a wide range of mine and plant applications. New materials and designs................. 34 Change Your Mind, Change Your Mine Advanced networks and communications solutions are...Claim Validity When it comes to the rights that mine operators can assert with unpatented mining claims...Jetti Resources facility at Capstone’s Pinto Valley mine in Arizona recovers copper from a rejuvenated, historic...Special Report: Mining in West Africa, Copperbelt and Angola Driven by strong demand for gold and battery metals
Journal (article/letter/editorial)
the formation of the vast Tunguska flood-basalt province in the northern half of the Tungus superterrane...located at the southwestern periphery of this province, which was outside the main Permian–Triassic linear...magmatism, including Pr rocks of the Maimecha-Kotuy province, as well as the Late Triassic alkaline-ultramafic... Journal Pre-proof Ma) and from the Maimecha-Kotui province in the Siberian Traps (Kogarko and Zartman, 2007)...of perovskite in kimberlites of the Lunda Norte province (NE Angola): Petrogenetic and tectonic implications
Journal (article/letter/editorial)
oxidized fluids/melts at ƒO2 values out of diamond or graphite stability field (Creighton et al., 2009; Woodland...additional series of experiments, a cylindrical graphite container, filled with the powdered picroilmenite...was placed in the Pt capsule. The use of Pt + graphite capsule provided ƒO2 values at CCO buffer. In...conditions in the ampoule corresponded to the diamond/graphite stability field. Y.V. Bataleva et al. / Lithos...in the fluid cavity (N 1253/2, T = 1650 °C); c — graphite and coesite crystals in the fluid cavity (N 1256/2
Journal (issue)
located in northeastern Mozambique, in Nampula Province, adjacent to the village of Mavuco (figure 4)...Delgado Niassa M O Z A M B I Q U E Nacala Nampula Province Monapo Ilha de Mozambique Nampula ` Alto Molócue...are found in northeastern Mozambique, in Nampula Province, near the village of Mavuco. From Nampula, Mavuco...Mavuco can be reached via Murrupula. Mining area Province boundaries Paved road Dirt road areas near Mt...in winter. The average temperature in Nampula Province varies from ~23°C (73°F) in April to ~28°C (82°F)
Journal (issue)
1975). The observed rubies from Chanthaburi-Trat province revealed some fire marks (Figure 10), which were...Gulf Road that leads to the Emerald Mine. HISTORY OF THE EMERALD MINE David(5), Wynn & Loudon(6) and Mumme17)...TENTERFI ELD 20km MAP I. The location of the Emerald Mine at the Summerville (formerly Dakalbin) pastoral...named the mine they developed on De Milhou's Reef, the Emerald Proprietary or the Emerald Mine. In this...this same year, the mine was sunk to a depth of 15 m, and an 18 m long drive was completed along the line
Journal (article/letter/editorial)
also listed. Reactants were contained in graphite, graphite sealed in Pt, and sealed Pt capsules (Table...80 Note: W, Wesselton Mine; RSA; R, Roberts Victor Mine, RSA; L, Louwrencia Mine, Namibia. experiment...contained in graphite capsules. At lower temperatures, a mix of graphite, sealed Pt, and graphite capsules...problem of Fe2+ loss, selected experiments used graphite capsules sealed within Pt capsules. In the latter...1000°C and lower, reactants were either not dried (graphite capsules) or 5 wt.% of oxalic acid (C2H2O4·2H2O)
Journal (issue)
made it possible to recover diamonds from the Ekati mine, in the bitter cold of Canada’s Northwest Territories...diamond reserves, and future potential. The new Ekati mine in Canada’s frigid Northwest Territories, Namdeb’s...the mining companies to develop and economically mine increasingly hard-to-access diamonds. Technology...diamond (995.20 cts) ever found at the Jagersfontein mine. The bracelet was on view in the Nature of Diamonds...in volume significantly less than 1% of “run of mine” diamonds. After processing, most of the diamonds
Journal (article/letter/editorial)
pipes in the central part of Yakutian kimberlite province (YKP) [1] were exhausted and excavation in open...corresponds to the Graphite-Diamond boundary at 3540and 40 −2 line at 3.5line and to the Graphite-Diamond boundary...always locates all the PT points near the diamond-graphite garnet thermobarometer [52,53] always locates...locates all the PT points near the diamond-graphite boundary boundary except for sub-Ca garnets. Commonly they...Rocks of the Kimberlite Formation of the Yakutia Province (in Russian); Institute of Geology of Diamond
Journal (issue)
from India • Emerald mining techniques at the Kagem mine, Zambia • Yellow grossular from Tanzania • An unusual...studies of retail colored stone demand, to provide a mine-to-market analysis of corundum over the last quarter...or difficult to interpret, even when coming from mine owners or official government sources. For example...Pakistani side of Kashmir (Kane, 1997, 1998). The mine, situated in extremely remote and rugged mountainous...g (85 ct; Kane, 1997, 1998). It is believed the mine was still operat- GEMS & GEMOLOGY WINTER 2009
 
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