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Sandur greenstone belt

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Series: GSA Memoirs
Published: 01 January 2006
DOI: 10.1130/2006.1198(05)
... from the 2.7 Ga Sandur Greenstone Belt, eastern Dharwar Craton, India, is characterized by δ 15 N 13.1‰ ± 1.3‰, and C/N 303 ± 93. A second population has δ 15 N 3.5‰ ± 0.9‰, and C/N 8 ± 0.4, close to the Redfield ratio of modern microorganisms, and is interpreted as precipitates of Proterozoic...
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Journal Article
Published: 13 November 2007
Canadian Journal of Earth Sciences (2007) 44 (11): 1517–1535.
... the Sandur and Kushtagi greenstone belts, Dharwar craton (Fig.  6A ; Table  4 ; Manikyamba and Khanna 2005 ; Naqvi et al. 2006 ). A MORB-arc, back-arc, and basalt–adakite association has been reported from the 2.5 Ga old Wutai greenstone belt, north China ( Wang et al. 2004 ), and adakites are present...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2015
DOI: 10.1144/SP389.3
EISBN: 9781862396654
... Abstract Field and geochemical studies combined with laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) zircon U–Pb dating set important constraints on the timing and petrogenesis of volcanic rocks of the Neoarchaean Kadiri greenstone belt and the mechanism of crust...
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Journal Article
Published: 11 September 2019
Journal of Sedimentary Research (2019) 89 (9): 849–874.
...Nadja Drabon; Christoph E. Heubeck; Donald R. Lowe ABSTRACT The 3.28 to 3.23 Ga Mapepe Formation in the Barberton greenstone belt, South Africa, marks the initiation of widespread tectonic uplift and deformation after nearly 300 million years of predominantly basaltic and komatiitic magmatism under...
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Journal Article
Journal: Economic Geology
Published: 01 June 2012
Economic Geology (2012) 107 (4): 599–644.
...Thomas Angerer; Steffen G. Hagemann; Leonid V. Danyushevsky Abstract The banded iron formation (BIF)-hosted iron ore deposits in the lower greenstone succession of the Koolyanobbing greenstone belt, 50 km north of Southern Cross in Western Australia, are a ~200 Mt high-grade Fe (>58%) pre-mining...
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Image
(A) Inset illustrates <b>greenstone</b> <b>belts</b> of the western and eastern Dharwar c...
Published: 14 March 2012
Fig. 1. (A) Inset illustrates greenstone belts of the western and eastern Dharwar craton (WDC, EDC, respectively), separated by the corridor of Closepet granites ( Naqvi and Rogers 1987 ). (B) Generalized geological map of the Penakacherla greenstone belt (modified from Manikyamba and Kerrich
Journal Article
Journal: Economic Geology
Published: 01 August 2013
Economic Geology (2013) 108 (5): 1015–1036.
... craton (15°10 ′ –15°20 ′ N; 77°30 ′ –77°40 ′ E), which also hosts the major auriferous Archean granite-greenstone belts, including Hutti-Maski, Sandur, Ramagiri, Kustagi, Magalur, Kadiri, and Kolar ( Fig. 1 ). Published radiometric dates from the auriferous greenstone-granite belts are shown in Figure...
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Journal Article
Journal: Economic Geology
Published: 01 June 2004
Economic Geology (2004) 99 (4): 743–759.
...Jochen Kolb; André Hellmann; Amanda Rogers; Sven Sindern; Torsten Vennemann; Michael E. Böttcher; F. Michael Meyer Abstract The Ajjanahalli gold mine is spatially associated with a Late Archean craton-scale shear zone in the eastern Chitradurga greenstone belt of the Dharwar craton, India. Gold...
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Journal Article
Published: 20 November 2013
Canadian Journal of Earth Sciences (2014) 51 (3): 312–325.
... possibly forming the basement to the ca. 3.35–3.2 Ga Sargur Group greenstone belts. The latter are interpreted as having formed through accretion of plume-related ocean plateaux. The approximately coeval Peninsular Gneiss Complex (PGC) was possibly sourced from beneath plateau remnants, and resulted...
FIGURES
Series: Geological Society, London, Memoirs, Geological Society, London, Memoirs
Published: 01 January 2015
DOI: 10.1144/M43.15
EISBN: 9781862397194
.... A postulated genesis of the WDC comprises early, c. 3.5 Ga protocrust, which possibly formed as basement to the c. 3.35–3.2 Ga Sargur Group greenstone belts. The latter are thought to have formed through accretion of plume-related ocean plateaux. The approximately coeval Peninsular Gneiss Complex possibly...
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Journal Article
Published: 01 June 2012
The Canadian Mineralogist (2012) 50 (3): 705–718.
... of peninsular India are mainly composed of Archaean granite-greenstone belts in the north (Dharwar craton) and high-grade metamorphic rocks of Neoarchaean to Proterozoic age in the south, which are cross-cut by several shear zones, of which the Palghat Cauvery Shear Zone is recognized as a major suture...
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Journal Article
Published: 14 March 2012
Canadian Journal of Earth Sciences (2012) 49 (4): 615–636.
...Fig. 1. (A) Inset illustrates greenstone belts of the western and eastern Dharwar craton (WDC, EDC, respectively), separated by the corridor of Closepet granites ( Naqvi and Rogers 1987 ). (B) Generalized geological map of the Penakacherla greenstone belt (modified from Manikyamba and Kerrich...
FIGURES
Series: Reviews in Economic Geology, Reviews in Economic Geology
Published: 01 January 2008
DOI: 10.5382/Rev.15.11
EISBN: 9781629490229
... to arcuate Neoarchean Sandur, Kustagi, Ramagiri, Kadiri, Hutti, Manglur, and Kolar greenstone or schist belts. Of these, the Sandur schist belt hosts the most voluminous BIFs and associated high-grade iron ore deposits of the Eastern Dharwar craton (Figs. 7 A, B). T ABLE 2. Generalized...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2012
DOI: 10.1144/SP365.2
EISBN: 9781862396135
... granitoids (Chitradurga Granite, Chikmagalur Granite) intrude the above older successions ( Chadwick et al. 2007 ). In the eastern Dharwar, the oldest preserved schist belts (Sandur, Ramgiri, Kolar–Kadiri) are relatively young compared to the greenstone belts of western Dharwar (e.g. Nutman et al . 1996...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2017
EISBN: 9781786202949
... of Neoarchaean granitoids interspersed with greenstone belts ( Chadwick et al. 2000 ; Jayananda et al. 2000 ; Bidyananda et al. 2011 ; Dey et al. 2013 , 2014 ) (Fig. 1 a). Geochemically diverse types of granitoids and volcanic rocks are exposed in this vast terrain. Yet several issues related...
Series: Geological Society, London, Memoirs, Geological Society, London, Memoirs
Published: 01 January 2015
DOI: 10.1144/M43.22
EISBN: 9781862397194
..., not location-specific. Fig. 22.3. Regional geological map of part of Dharwar Craton, showing the major greenstone belts (modified after Chadwick et al. 2000 and Chinnasamy & Mishra 2013 ) and geochronology of major geological events and units. Hutti: whole-rock Sm–Nd age of amphibolite...
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Series: Geological Society, London, Special Publications
Published: 14 December 2020
DOI: 10.1144/SP489-2019-342
EISBN: 9781786205056
...) ( Ramakrishnan & Vaidyanadhan 2008 ). In contrast to the Bastar Craton that has negligible greenstone members, the Eastern Dharwar Craton is a typical granite–greenstone ensemble comprising a number of Archean greenstone belts disposed as arcuate metamorphosed schist belts amidst the granite–gneiss terrain...
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Journal Article
Published: 01 February 2011
Canadian Journal of Earth Sciences (2011) 48 (2): 389–417.
... domains are recognized: the eastern Antongil–Masora domain and the central Antananarivo domain, the latter with distinctive belts of metamafic gneiss and schist (Tsaratanana Complex). In the eastern domain, the period of early crust formation is extended to the Paleo–Mesoarchean (3.32–3.15 Ga...
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Journal Article
Published: 01 September 1989
Journal of the Geological Society (1989) 146 (5): 825–834.
... Anantha Iyer G. V. Vasudev V. N. Copper metallogeny in the Jogimardi volcanics, Chitradurga greenstone belt Journal of the Geological Society of India 1985 26 580 98 Argast S. Donnelly T. W. Compositions and sources of metasediments in the upper Dharwar Supergroup, South India...
Image
Whole-rock geochemistry discrimination diagram for BIF, altered BIF, medium...
Published: 01 June 2012
); Chitradurga schist belt ( Gnaneshwar R and Naqvi, 1995 ), Sandur schist belt ( Gutzmer et al., 2008 ), and Gorumahishani ( Mukhopadhyay et al., 2008 ), in India; Carajas Serra Norte ( Figueiredo e Silva et al., 2008 ), Caue Formation, Iron Quadrangle ( Spier et al., 2007 ), Urucum ( Gutzmer et al., 2008