 | Ballouard, Christophe, Elburg, Marlina A., Tappe, Sebastian, Reinke, Christian, Ueckermann, Henriette, Doggart, Shane (2020) Magmatic-hydrothermal evolution of rare metal pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Ore Geology Reviews, 116. 103252 doi:10.1016/j.oregeorev.2019.103252 | Journal (article/letter/editorial) | | from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Christophe Ballouard,...from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa), Ore Geology Reviews (2019)...from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Authors: Christophe Ballouard1*...Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa 2 Spectrum Analytical Facility, University of...Park, 2006, South Africa 3 Council for Geoscience, P.O. Box 775, Upington, South Africa, 8800 *Corresponding |  | | Journal (article/letter/editorial) | | ISSUE, 253-270 (1987) Mineralized pegmatites in Africa 0. won Knorring and E. Condliffe Department of...o prominent within the Mozambique belt in East Africa. Mozambique and Madagascar and within the Damara...the Narnnqualand metamorphic complex along the Orange River belt. Another characteristic. lithiumbearing...s o recovered. Furthermore. w m c pcgmatites in Africa constitute the main source o f attractivc gcmstoncs...Columbite-tantalite Equatorial central and south Africa Beryl Cassiterite 1. Introduction Although the |  | Thomas, Robert J., Macey, Paul H., Spencer, Christopher, Dhansay, Taufeeq, Diener, Johann F.A., Lambert, Christopher W., Frei, Dirk, Nguno, Anna (2016) The Sperrgebiet Domain, Aurus Mountains, SW Namibia: A ∼2020–850Ma window within the Pan-African Gariep Orogen. Precambrian Research, 286. 35-58 doi:10.1016/j.precamres.2016.09.023 | Journal (article/letter/editorial) | | 1 Council for Geoscience, Western Cape, South Africa, bthomas@geoscience.org.za 2 The Institute of...Cape Town, South Africa 4 Department of Geology, University of Stellenbosch, South Africa 5 Geological...considered an early phase of the Palaeoproterozoic Orange River Orogeny. The Wasserkuppe Suite is intruded by...dominated the palaeogeography of this part of southern Africa 100 m.y. later, and which forms the crustal...diamond-rich “Sperrgebiet” (German: “Prohibited area”) of southern Namibia. It extends from some 35 km NW of Rosh |  | | Thesis/Dissertation | | Namaqualand pegmatite belt, Northern Cape, South Africa by Minenhle Sinethemba Maphumulo Dissertation...Namaqualand pegmatite belt, synonymous with the Orange River pegmatite belt (ORPB), consists of > 30 000...Namaqua-Natal Metamorphic Province (NNMP) in Southern Africa at ca. 1 Ga. The central part of the belt is.................................... 24 2.3. Orange River pegmatite belt (ORPB) ........................Namaqua-Natal Metamorphic Province (NNMP) in southern Africa hosts the 450 km long and 40-50 km wide Namaqualand |  | | Journal (article/letter/editorial) | | the Namaque mobile belt along the Orange (Gariep) River, South Africa W.P. Colliston and A.E. Schoch Department...Free State, PO Box 339, Bloemfontein 9300, South Africa e-mail: colliswp.sci@mail.uovs.co.za; aesc@iafrica...com © 2006 September Geological Society of South Africa ABSRACT Two periods of deformation have been documented...mapping in a strip of 3000 km2 along the Orange (Gariep) River. The mapping has enabled field discrimination...during an orogenesis that may be termed the Orange River Event (ORO, 2.0 to 1.6 Ga, with associated |  | | Journal (article/letter/editorial) | | MAPPING NEAR ALEXANDER BAY, NORTHERN CAPE, SOUTH AFRICA L. NGCOFE, H. MINNAAR AND L. CHEVALLIER Council...for Geoscience: P O Box 372 Bellville 7535, South Africa e-mail: Lngcofe@geoscience.org.za; Hmimiaar@geoscience...org.za o 2010 June Geological Society of South Africa ABSTRACT This .study investigates the use of Remote...mapping in an area south of the Orange River near Alexander Bay in South Africa. Landsat, ASTER and Hymap images...being the least effective. The rock types of the Orange River Group (ba.saltic andésite and rhyolite) were |  | | Journal (article/letter/editorial) | | colliswp@sci.uovs.ac.za © 2003 Geological Society of South Africa ABSTRACT The western part of the Mid-Proterozoic...followed by a sedimentary sequence (now quartz-muscovite schist). The succeeding metarhyolite and felsic...with intercalated clastic products (now quartz-muscovite schist with mafic lenses). A subsequent major...alternating 1 to 20cm thick layers of quartzite and muscovite-sillimanite schist with specks and thin laminae...occurs in direct contact with the layered quartz-muscovite-sillimanite schist. SOUTH AFRICAN JOURNAL OF |  | | Journal (article/letter/editorial) | | AGGENEYS TERRANE, WESTERN NAMAQUA MOBILE BELT, SOUTH AFRICA W.P. COLLISTON Department of Geology, University...University of the Free State, Bloemfontein, South Africa e-mail: waynecolliston@ymail.com A.E. SCHOCH Department...University of the Free State, Bloemfontein, South Africa e-mail: aesc@iafrica.com H.E. PRAEKELT Department... South Africa e-mail: praekelthe@ufs.ac.za © 2012 December Geological Society of South Africa ABSTRACT...with nearly uninterrupted stratigraphy, and a southern zone of higher strain (zone II) with fragmented |  | | Journal (article/letter/editorial) | | BUSHMANLAND, SOUTH AFRICA By JOHN W . WEITZ F7, Villa Capri, Mouille Point, Cape Town, So. Africa If you are...is that territory bounded on the North by the Orange River and on the South by a line drawn from Loeriesfontein...line through Loeriesfontein to Goodhouse on the Orange River and the Eastern by a line from Brandvlei to...speaking, Bushmanland is divided into two parts. The Southern portion is made up of Dwyka Series (Tillite and...Kalahari Desert and even further north in South West Africa if you want to look for bushmen. Even then it is |  | Macey, P.H., Thomas, R.J., Minnaar, H.M., Gresse, P.G., Lambert, C.W., Groenewald, C.A., Miller, J.A., Indongo, J., Angombe, M., Shifotoka, G., Frei, D., Diener, J.F.A., Kisters, A.F.M., Dhansay, T., Smith, H., Doggart, S., Le Roux, P., Hartnady, M.I., Tinguely, C. (2017) Origin and evolution of the ∼1.9 Ga Richtersveld Magmatic Arc, SW Africa. Precambrian Research, 292. 417-451 doi:10.1016/j.precamres.2017.01.013 | Journal (article/letter/editorial) | | evolution of the ∼1.9 Ga Richtersveld Magmatic Arc, SW Africa P.H. Macey, R.J. Thomas, H.M. Minnaar, P.G. Gresse...evolution of the ∼1.9 Ga Richtersveld Magmatic Arc, SW Africa, Precambrian Research (2017), doi: http://dx.doi...evolution of the ~1.9 Ga Richtersveld Magmatic Arc, SW Africa P.H. Macey1, R.J. Thomas1, H.M. Minnaar1, P.G...for Geoscience, P.O. Box 572, Bellville, South Africa, pmacey@geoscience.org.za 2 Department of Geology...Geology, University of Stellenbosch, South Africa 3 Geological Survey of Namibia, Windhoek, Namibia |  | | Journal (article/letter/editorial) | | stream of water which empties into the Housatonic River at Cornwall Bridge. From the north edge of Guna...colored feldspar, black biotite, silvery white muscovite, dark gray mica schist, dark gray phyllite, and... pinkish garnet, greenish epidote, colorless muscovite and a tiny amount of black magnetite. Beach sand...Baraga, in northern Baraga Co., Mich., is at the southern end of Keweenaw Bay. From the beach at Baraga...Westchester Co., N.Y., is on the east bank of the Hudson River. Kingsland Point, maintained by the Westchester |  | | Report (issue) | | in 1963-64. 6 Alluvial amazonite is common in river beds west of the escarpment between Zwartmodder...quartz and cleavelandite as major constituents, muscovite, with black tourmaline, beryl and garnet as...are muscovite, biotite and black tourmaline. Most of the aquamarine was derived from the southern area...was associated with large microcline- perthite, muscovite and black tourmaline in the intermediate zone...of the Klein Spitzkuppe group of inselbergs in southern Damaraland. In addition to aquamarine the drusy |  | | Journal (article/letter/editorial) | | the Annex sulphide deposit, Gordonia Belt, South Africa H . C. HUMPHREYS' AND D. J . SCHEEPERS' 'Precambrian...South Africa 'Department of Geology, University of Stellenbosch, 760 Stellenbosch, South Africa ABSTRACT...ABSTRACT Muscovite-poor pelitic schists in the wallrocks of the Proterozoic Annex sulphide deposit, near...near Prieska, South Africa, contain peak metamorphic assemblages including Crd Bt Sil, St Sil + Bt, Crd St...quartz and commonly Fe-Mn garnet, with or without muscovite. Peak assemblages, assigned to M2 regional metamorphism |  | | Journal (issue) | | from Riemvasmaak, Northern Cape Province, South Africa . . . . . . . . . . . . . . . . ...COVER: AQUAMARINE beryl crystal, 10.5 cm, on muscovite, from Mount Xuebaoding, Pingwu County, Sichuan...quartz, helvite) (4) José Pinto mine (apatite, muscovite) (5) Vista do Rio mine (morganite) (6) Jonas mine...plus more than 200 tons of clusters of albite, muscovite and microcline crystals. Later, a few meters into...This cavity was totally filled with albite and muscovite crystals partially coated with sharp, dark green |  | | Journal (article/letter/editorial) | | Metamorphic Rocks and Intrusives in Namaqnaland, South Africa by T. N. CLIFFORD, 1 J . GRONOW,2 D. C. R E X 2...University of the Witwatersrand, Johannesburg, South Africa; * Department of Geology, University of Leeds,...Research Laboratory, C.S.I.R., Pretoria, South Africa ABSTRACT The metamorphic sequence in the Nababeep...Precambrian terrain in the Cape Province of South Africa are: (a) an important suite of metamorphosed sedimentary...Prieska-Marydale-Upington region and along the Orange River (De Villiers & Sohnge, 1959; Gevers et ah, 1937; |  | | Report (issue) | | SOUTH WEST AFRICA DEPARTMENT OF Memoir No. MINES If THE GEOLOGY OF THE WARMBAD DISTRICT SOUTH...SOUTH WEST AFRICA An Explanation of Geological Sheets Amib (H-33-F), Umeis (H-34-A) and Nakop (H-34-B)...G. S., Geological Survey of the Union of South Africa and H. F. FROMMURZE, B. Sc., Geologist, • Geological...Geological Survey of the Union of South Africa. Published by authority of His Honour the Administrator...LTD., W/.VDHOEK. The Secretary for South West Africa, Windhoek Sir, I have the honour to submit the |  | | Journal (article/letter/editorial) | | betweert the Damara and Nama Systems of South West Africa*) By ALFREDKR6NER,Rondebosch **) With 1 figure...sp~itpr/ikambrische Gesteinsabfolge im Gebiet des. Orange-Flusses und im Rehoboth-Distrikt stidlich yon Windhoek...AltersverNiltnis zwischen Damara- und Nama-System. Im Orange-Gebiet werden die Formationen der Gariep-Gruppe...University of Cape Town, Rondebosch, C. P., South Africa. 1w Aufs~tze :gesehiehtliehe Nhnlichkeiten deuten...stratigraphic succession in the areas between the Orange River and the Klinghardt Mountains and south of Windhoek |  | | Journal (article/letter/editorial) | | Mesoproterozoic YasSchuitdrift Batholith, South Africa and Namibia C.A. Groenewald Council for Geoscience...Geoscience, P.O. Box 775, Upington, 8800, South Africa e-mail: cgroenewald@geoscience.org.za P.H. Macey Council...7535, South Africa e-mail: pmacey@geoscience.org.za © 2020 Geological Society of South Africa. All rights...pre-tectonic batholith that crosses the Orange River border between South Africa and Namibia. They occur in the...biotite-hornblende augen gneiss is located at the centre and southern parts of the batholith. The batholith is strongly |  | Bailie, R., Armstrong, R., Reid, D. (2007) The Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and metamorphism. South African Journal of Geology, 110 (1) 59-86 doi:10.2113/gssajg.110.1.59 | Journal (article/letter/editorial) | | supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and metamorphism...Cape Town, Private Bag, Rondebosch, 7700, South Africa Present address: Paleoproterozoic Mineralisation...7700, South Africa e-mail: dlr@geology.uct.ac.z;i e 2007 March Geolt^cal Society of South Africa ABSTRACT...poly-nicmniorpho.sL-tl NiiinnqLia Province of western South Africa is underlain liy ;i scrie.s of pelitic and psamniitic...Hill-type Pb-Zn-CLi-Ag deposits at Aggeneys, South Africa are world-class examples of an important tnineralisation |  | | Journal (article/letter/editorial) | | exploitability of pegmatite deposits in the lower Orange River area (Vioolsdrif – Henkries – Steinkopf) H....South Africa. Current address: Council for Geoscience, P.O. Box 775, Upington, 8800, South Africa e-mail:...South Africa. e-mail: htheart@postino.up.ac.za © 2006 September Geological Society of South Africa ABSTRACT...Vioolsdrif, Henkries and Steinkopf in the lower Orange River region constitute the westernmost extension...could be derived from by-product minerals such as muscovite, tantalitecolumbite, spodumene and beryl, should |  | | Book | | EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...and bordered by the cold BenguelaCurrentof the southern Atlantic Ocean, is at first glance by no means...is the 5th largest mining country in sub-Saharan Africa. Several of the mineral deposits are quite remarkabledue...Thenameof Namibia, the countryin the southwest of Africa,is takenfrom the Freiberg.Germanium was discoveredin...the incredible variety and of German South-West Africa(Deutsch- uniqueness of mineralsfrom Tsumeb. Sudwestafrika) |  | Mielke, C., Muedi, T., Papenfuss, A., Boesche, N.K., Rogass, C., Gauert, C.D.K., Altenberger, U., de Wit, M.J. (2016) Multi- and hyperspectral spaceborne remote sensing of the Aggeneys base metal sulphide mineral deposit sites in the Lower Orange River region, South Africa. South African Journal of Geology, 119 (1) 63-76 doi:10.2113/gssajg.119.1.63 | Journal (article/letter/editorial) | | mineral deposit sites in the Lower Orange River region, South Africa C. Mielke Helmholtz Center Potsdam...University, Summerstrand, Port Elizabeth, South Africa e-mail: ttmuedi@gmail.com A. Papenfuss and N.K...State, Geology Department, Bloemfontein, South Africa, e-mail: gauertcdk@ufs.ac.za U. Altenberger University...South Africa e-mail: Maarten.deWit@nmmu.ac.za © 2016 March Geological Society of South Africa Abstract...situated in the arid north western part of South Africa, represents a unique field laboratory for testing |  | Reid, David L, Welke, H.J, Erlank, A.J, Betton, P.J (1987) Composition, age and tectonic setting of amphibolites in the central Bushmanland Group, Western Namaqua Province, southern Africa. Precambrian Research, 36 (2) 99-126 doi:10.1016/0301-9268(87)90084-2 | Journal (article/letter/editorial) | | BUSHMANLAND GROUP, WESTERN NAMAQUA PROVINCE, SOUTHERN AFRICA D A V I D L. R E I D 1, H . J . W E L K E 2...University of Cape Town, Rondebosch 7700 (South Africa) 2Bernard Price Institute of Geophysics, University...(South Africa) 3Departrnent of Geology, University of Cape Town, Rondebosch 7700 (South Africa) (Received...Province, southern Africa. Precambrian Res., 36: 99-126. The Western Namaqua Province (WNP) of southern Africa..../" S O U T H .......~ , ii)""" ..<....... AFRICA "... "'. M ""'" Fig. 1. Tectonic subdivisions |  | | Journal (article/letter/editorial) | | Margin of the Namaqua Metamorphic Province, South Africa Cyrille Stephane Tsakou Sonwa * , Jan van Bever...Private Bag X17, Bellville, Cape Town 7535, South Africa; jvanbeverdonker@uwc.ac.za (J.v.B.D.); rbailie@uwc...Margin of the Namaqua Metamorphic Province, South Africa. Minerals 2021, 11, 759. https://doi.org/10.3390/min11070759...0 Ga Namaqua-Natal Metamorphic Province of southern Africa is part of the global Grenvillian age orogenic...coast of Namibia to the southeast coast of South Africa (e.g., [3,11–14] and references therein). It is |  | | Journal (article/letter/editorial) | | feldspar (flesh-color, pink), black biotite, whitish muscovite, and a tiny amount of black magnetite. The coarse...21ship Spanish fleet sank in a hurricane off the southern coast of Florida. The fleet was under the command...label. Orange-pink sand from Prague, Okla. Here is a beautiful sand. It is a fine grained, orange-pink...orange-pink sand consisting entirely of orange-pink quartz. Glen E. Kiser, Douglass, Kans., donated it. "From Hwy...south of Prague (Lincoln Co.), Okla."—on label. River sand from Pickstown, S. D. From Pickstown, Charles |
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Orange River, Southern Africa