An island-arc tectonic setting for the Neoarchean Sonakhan Greenstone Belt, Bastar Craton, Central India: Insights from the chromite mineral chemistry and geochemistry of the siliceous high-Mg basalts (SHMB)

2017 ◽  
Vol 53 (4) ◽  
pp. 1526-1542 ◽  
Author(s):  
M.P. Manu Prasanth ◽  
K.R. Hari ◽  
N.V. Chalapathi Rao ◽  
Guiting Hou ◽  
Dinesh Pandit
Keyword(s):  
Greenstone Belt ◽  
Tectonic Setting ◽  
Central India ◽  
Mineral Chemistry ◽  
Island Arc ◽  
Bastar Craton

Geochemical constraints on the tectonic setting of the Sonakhan Greenstone Belt, Bastar Craton, Central India

2017 ◽  
Vol 37 (3) ◽  
pp. 489-499 ◽  
Author(s):  
S. D. Deshmukh ◽  
K. R. Hari ◽  
P. Diwan ◽  
M. P. Manu Prasanth
Keyword(s):  
Greenstone Belt ◽  
Tectonic Setting ◽  
Central India ◽  
Bastar Craton ◽  
Geochemical Constraints

Tectonic setting of late Archean bimodal volcanism in the Michipicoten (Wawa) greenstone belt, Ontario

1987 ◽  
Vol 24 (6) ◽  
pp. 1120-1134 ◽  
Author(s):  
Paul J. Sylvester ◽  
Kodjo Attoh ◽  
Klaus J. Schulz
Keyword(s):  
Greenstone Belt ◽  
Tectonic Setting ◽  
Volcanic Rocks ◽  
Depositional Environments ◽  
Oceanic Island ◽  
Island Arc ◽  
Basaltic Rocks ◽  
Bimodal Volcanism ◽  
Continental Arc ◽  
Convergent Plate Margin

The tectono-stratigraphic relationships, depositional environments, rock associations, and major- and trace-element compositions of the late Archean (2744–2696 Ma) bimodal basalt–rhyolite volcanic rocks of the Michipicoten (Wawa) greenstone belt, Ontario, are compatible with an origin along a convergent plate margin that varied laterally from an immature island arc built on oceanic crust to a more mature arc underlain by continental crust. This environment is similar to that of the Cenozoic Taupo–Kermadec–Tonga volcanic zone. Michipicoten basaltic rocks, most of which are proximal deposits compositionally similar ([La/Yb]n = 0.63–1.18) to modern oceanic island-arc tholeiites, are interpreted as having formed along the largely submerged island arc. Voluminous Michipicoten rhyolitic pyroclastic rocks ([La/Yb]n = 4.3–18.7, Ybn = 5.7–15.9) probably erupted subaerially from the continental arc, with distal facies deposited subaqueously on the adjacent oceanic island arc and proximal facies deposited in subaerial and shallow subaqueous environments on, or along the flanks of, the continental arc. The compositional similarity between the lower (2744 Ma) and upper (2696 Ma) volcanic sequences of the belt suggests that this island- and continental-arc configuration existed for at least 45 Ma. The Michipicoten belt may be a remnant of a larger, laterally heterogeneous volcanic terrane that also included the Abitibi greenstone belt.

scholarly journals Evidence for a Paleoproterozic event of metamorphism in the Bastar craton, Central India: P-T-t constraints from mineral chemistry and U-Pb geochronology of mafic dykes

Episodes ◽  
2011 ◽  
Vol 34 (1) ◽  
pp. 13-24 ◽  
Author(s):  
Rajesh K. Srivastava ◽  
Larry M. Heaman ◽  
Jason E. French ◽  
Cesar F. Ferreira Filho
Keyword(s):  
Central India ◽  
Mineral Chemistry ◽  
Mafic Dykes ◽  
Bastar Craton

Neoarchaean and Proterozoic crustal growth and reworking in the Western Bastar Craton, Central India: Constraints from zircon, monazite geochronology and whole-rock geochemistry

2021 ◽  
Vol 362 ◽  
pp. 106284
Author(s):  
M Lachhana Dora ◽  
Dewashish Upadhyay ◽  
Vivek P. Malviya ◽  
Tushar Meshram ◽  
Srinivas R Baswani ◽  
...  
Keyword(s):  
Central India ◽  
Crustal Growth ◽  
Bastar Craton
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