Fossil marginal bassin from the Indian shield: A model for the evolution of Singhbhum Precambrian belt, Eastern India

1981 ◽  
Vol 70 (2) ◽  
pp. 504-518 ◽  
Author(s):  
Mihir K. Bose ◽  
Manas K. Chakraborti
Keyword(s):  
1982 ◽  
Vol 119 (5) ◽  
pp. 505-510 ◽  
Author(s):  
A. Gupta ◽  
A. Basu ◽  
P. K. Ghosh

SummaryThe Dalma volcanic belt in the Precambrian Eastern Indian shield is composed of a thick sequence of volcani-sedimentary assemblage with a group of predominantly ultramafic volcaniclastics having komatiitic chemistry. A volcanic origin is suggested by textural relationships and mineralogical composition, together with the presence of devitrified glass shards; these rocks are now mostly chlorite-tremolite schist.


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