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Kuruman district

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Journal Article
Journal: Economic Geology
Published: 01 August 1958
Economic Geology (1958) 53 (5): 577–597.
...J. J. Frankel Abstract Formation of bedded manganese deposits in the Kuruman area, South Africa, is attributed to near-surface enrichment by circulating meteoric waters of a slightly manganiferous limestone zone intercalated in late Precambrian banded ironstones of the upper Griquatown series...
Journal Article
Published: 01 December 1985
South African Journal of Geology (1985) 88 (3): 501–515.
Journal Article
Published: 01 June 2006
South African Journal of Geology (2006) 109 (1-2): 11–22.
..., but significantly more stratigraphic and chronological data are needed to establish a temporal correlation. Table 1. Published U-Pb and Pb-Pb Zircon Ages Geological Unit Reported Ages (Ma) Interpretation Kuruman Iron Formation, Riries Member 2460 ± 5 ( Pickard, 2003 ) Depositional...
FIGURES
Journal Article
Published: 01 October 2005
American Mineralogist (2005) 90 (10): 1473–1499.
..., and e all from the Sokoman Iron Formation, Howells River area, Newfoundland (Labrador Trough; from Klein 1974 )]. ( f ) Siderite-rich iron-formation with dark bands of siderite and light bands of chert. Kuruman Iron Formation, South Africa. From Beukes et al. (1990) . F igure 3...
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Journal Article
Published: 01 September 2009
South African Journal of Geology (2009) 112 (2): 89–108.
... on the Ghaap Plateau, some 25 km north-west of Reivilo and 60 km east of Kuruman in the North-West Province, since the early 1900’s (Figure 1 ). Mining activities for diamonds had taken place on the farms Mahura Muthla 198 and Gras Pan 773 but remnants of these agate-rich gravels can also be found to the north...
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Journal Article
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 723–729.
... coordinence du bore mine Black Rock Afrique du Sud Sturmanite was originally discovered in association with barite in a specimen from the Black Rock manganese mine, Kuruman District, Kalahari manganese field, North Cape province, South Africa ( Peacor et al. 1983 ). Its ideal chemical formula...
FIGURES
Journal Article
Published: 30 January 2018
The Canadian Mineralogist (2018) 56 (1): 65–76.
... , 96 pp . Frankel, J.J. (1958) The manganese ores from the Kuruman District, Cape Province, South Africa . Economic Geology 53 , 577 – 597 . Frenzel, G...
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Journal Article
Published: 01 December 2000
South African Journal of Geology (2000) 103 (3-4): 163–174.
... ). The manganese ores from the Kuruman District, Cape Province, South Africa . Economic Geology , 53 , 577 – 597 . Frenzel , G. ( 1980 ). The manganese ore minerals. In Geology and geochemistry of manganese ( I.M. Varentsov and Gy. Grasselly , eds.), Schweizerbart’sche...
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Journal Article
Journal: Economic Geology
Published: 01 March 2000
Economic Geology (2000) 95 (2): 405–427.
... with a range of values for other Proterozoic iron-formations of South Africa (Kuruman iron-formation sequence). The Rio das Velhas Supergroup that makes up the Rio das Velhas greenstone belt was deformed and metamorphosed at about 2.8 Ga, as determined from a minimum Rb/Sr age from muscovite in a mica schist...
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Journal Article
Published: 01 March 2022
South African Journal of Geology (2022) 125 (1): 113–122.
... . Sample No. Description Locality Geological environment Reference(s) A Masses of pale green botryoidal prehnite with calcite Zoetwater, Calvinia district, Northern Cape Province Jurassic Karoo dolerite Walker and Poldervaart (1941); Winterbach ( 1976 ) B Pale green botryoidal masses...
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Journal Article
Published: 01 June 2009
Scottish Journal of Geology (2009) 45 (1): 59–68.
... in southern Africa. Fig. 1. Reproduction of a watercolour portrait of Dr Andrew Smith originally from Kirby (1965) . The original was painted by George H. Ford at Kuruman in early 1835, and as such is as close a likeness as we have for Smith at the time of his meeting with Charles Darwin in 1836...
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Journal Article
Journal: Economic Geology
Published: 01 January 2013
Economic Geology (2013) 108 (1): 111–134.
... of the Witwatersrand iron formations and associated magnetic mudstones as well as average values for the Paleoproterozoic Kuruman and Griquatown iron formations of the Transvaal Supergroup taken from Kaufman (1996) . T able . 3. Rare-Earth Yttrium (REY) Geochemistry Data for the Iron Formation...
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Journal Article
Published: 01 March 2017
South African Journal of Geology (2017) 120 (1): 187–192.
... Boksputs omgewing, met verwysing na die kontroles vir sulfiedmineralisasie . M. Sc. thesis, University of the Free State , 200 pp. Rogers , A.W. , 1908 . Geological survey of parts of Vryburg, Kuruman, Hay and Gordonia . Annual Report, Geological Commission, Cape of Good Hope. 12 , 10 – 122...
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Journal Article
Published: 01 March 2017
South African Journal of Geology (2017) 120 (1): 193–200.
... Group along the eastern margin of the Namaqua Mobile Belt, South Africa . South African Journal of Geology , 97 ( 1 ), 78 – 100 . Gorton , R.K. , 1981 . The petrology of the Kielder sulphide deposits and their wall rocks: District of Prieska, N. Cape, South Africa . M.Sc. thesis...
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Journal Article
Published: 01 July 2000
Journal of the Geological Society (2000) 157 (4): 851–858.
... . Beukes , N.J. 1980 . Lithofacies and stratigraphy of the Kuruman and Griquatown Iron-formations, Transvaal Supergroup, South Africa . Transactions of the Geological Society of South Africa 83 , 69 – 86 . Beukes , N.J. 1983 . Palaeoenvironmental setting of iron-formations...
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Journal Article
Published: 07 October 2021
The Canadian Mineralogist (2021) 59 (5): 1207–1232.
...Claire Leighton; Matthew I. Leybourne; Daniel Layton-Matthews; Jan M. Peter; Michael G. Gadd; Alexandre Voinot ABSTRACT The MacMillan Pass District in Yukon, Canada, hosts the Tom and Jason clastic sediment-hosted Zn-Pb-Ag-(Ba) deposits. Bulk geochemical paleoredox proxies (Eu/Eu*, Ce/Ce*, Mo, Re...
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Series: Reviews in Economic Geology
Published: 01 January 2008
DOI: 10.5382/Rev.15.01
EISBN: 9781629490229
... they are represented by the Marra Mamba, Brockman, Weeli Wolli, and Boolgeeda Iron Formations of the Hamersley Group (Fig. 1 B; Trendall and Blockley, 1970 ; Trendall, 1983 ; Trendall et al., 2004 ). The Asbesheuwels succession, comprised of the Kuruman and conformably overlying Griquatown Iron Formation, reaches...
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Journal Article
Journal: Geology
Published: 01 February 2014
Geology (2014) 42 (2): 115–118.
... the Temagami iron-formation, Canada, and the redox level of the Neoarchean ocean : Precambrian Research , v. 174 , p. 337 – 346 , doi:10.1016/j.precamres.2009.08.007 . Bau M. Dulski P. , 1996 , Distribution of yttrium and rare-earth elements in the Penge and Kuruman iron-formations...
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Journal Article
Published: 01 March 2002
South African Journal of Geology (2002) 105 (1): 75–92.
... and Kuruman Formations. Channelways for fluid migration were provided during extensive deformation. Corresponding author: e-mail = dBruynH@sci.uovs.ac.za © 2002 Geological Society of South Africa 2002 The Allanridge Formation in the Northern Cape Province has not been well documented. Stow...
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Journal Article
Published: 01 March 2015
South African Journal of Geology (2015) 118 (1): 17–32.
... investment, a mechanism under consideration for further water infrastructure funding ( Ruiters, 2013 ). The Department of Water Affairs (DWA) has recognised 24 Priority District Municipalities (DMs) for particular support in providing water and sanitation services ( DWA, 2013b ) ( Figure 2 ). These 24...
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