Journal ArticleDOI
Crust–mantle interaction in the genesis of siliceous high magnesian basalts: evidence from the Early Proterozoic Dongargarh Supergroup, India
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In this paper, the authors present chemical (XRF, INAA) and mineralogical data on a siliceous high magnesian basalts (SHMB) suite from the Early Proterozoic (2.1-2.5 Ga) Dongargarh Supergroup, Central India, the first of its kind reported from the Indian Precambrian.About:
This article is published in Chemical Geology.The article was published on 2002-07-01. It has received 27 citations till now. The article focuses on the topics: Incompatible element & Volcanic rock.read more
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Geochemistry of the Meso- to Neoproterozoic basic-acid rocks from Hunan Province, South China: implications for the evolution of the western Jiangnan orogen
TL;DR: Based on geochemical and petrological studies of the Meso- to Neoproterozoic basic-acid rocks, a preliminary model for the formation and evolution history of the western Jiangnan orogen in the area was put forward as discussed by the authors.
Journal ArticleDOI
Generation and evolution of siliceous high magnesium basaltic magmas in the formation of the Permian Huangshandong intrusion (Xinjiang, NW China)
Jian-Feng Gao,Mei-Fu Zhou +1 more
TL;DR: The Huangshandong mafic-ultramafic intrusion is the largest in the eastern Tianshan Orogenic Belt of the CAOB and consists of a layered unit intruded by a massive unit.
Journal ArticleDOI
The geochemistry of ultramafic to mafic volcanics from the belingwe greenstone belt, Zimbabwe: Magmatism in an archean continental large igneous province
TL;DR: In this article, the evolution of the late Archean Belingwe greenstone belt, Zimbabwe, is discussed in relation to the geochemistry of the ultramafic to mafic volcanic rocks.
Journal ArticleDOI
The Bastar craton, central India: A window to Archean – Paleoproterozoic crustal evolution
M. Santosh,M. Santosh,M. Santosh,Toshiaki Tsunogae,Toshiaki Tsunogae,Cheng-Xue Yang,Yue-Sheng Han,K.R. Hari,M.P. Manu Prasanth,M.P. Manu Prasanth,Sam Uthup +10 more
TL;DR: In this paper, a new tectonic classification of the Bastar craton into the Western Bastar Craton (WBC), EBC, and the intervening Central Bastar Orogen (CBO) is proposed.
Journal ArticleDOI
Precambrian mafic magmatism in the Bastar craton, central India
TL;DR: The Bastar craton has experienced many episodes of mafic magmatism during the Precambrian as discussed by the authors, and this is evidenced from a variety of precambrian volcanic and dyke formations exposed in all parts of the Bastar basin in the form of volcanics and dykes.
References
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Journal ArticleDOI
Petrology and geochemistry of crustally contaminated komatiitic basalts from the Vetreny Belt, southeastern Baltic Shield: Evidence for an early Proterozoic mantle plume beneath rifted Archean continental lithosphere
Igor S. Puchtel,Karsten M. Haase,A. W. Hofmann,Catherine Chauvel,V. S. Kulikov,Carl-Dieter Garbe-Schönberg,Alexander A. Nemchin +6 more
TL;DR: In this article, the authors presented new isotope and trace element data for komatiitic basalts and a related peridotite Vinela Dike from the Vetreny Belt in the southeastern Baltic Shield.
Book ChapterDOI
Geochemistry of Intermediate/- to High-Pressure Granulites
Roberta L. Rudnick,T. Presper +1 more
TL;DR: In this article, the authors evaluated the compositional differences between granulite terrains of various ages and xenoliths and the processes responsible for the formation of granulites.
Journal ArticleDOI
REE and Nd isotope geochemistry, petrogenesis and volcanic evolution of contaminated komatiites at Kambalda, Western Australia
C. M. Lesher,Nicholas Arndt +1 more
TL;DR: The 2.7 Ga-old volcanic sequence at Kambalda as mentioned in this paper comprises a lower formation of massive and pillowed tholeiitic basalts (Lunnon basalt); a middle formation (Kama komatiite) of channel-and sheet-flow facies (Komatiitic peridotites with thin, intercalated sedimetns (Silver Lake member) and thin, massive, aphyric and differentiated spinifex-textured Komatiites (Tripod Hill member); upper formations of ocellar;
Journal ArticleDOI
The petrogenesis of high-calcium boninite lavas dredged from the northern Tonga ridge
TL;DR: In this paper, a fresh suite of MgO-and SiO 2 -rich lavas from the northern termination of the northern Tonga ridge was dredged from one dredge site, station 21, and their major element chemistry appears to be consistent with production of this suite via crystal fractionation.
Journal ArticleDOI
Compositional constraints on the continental lithospheric mantle from trace elements in spinel peridotite xenoliths
TL;DR: In this article, the depletion of niobium and other trace elements in fertile peridotite xenoliths has been investigated and shown to be chondritic in the concentration range of parts per 109 (p.p.b).