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|Title: ||Low pressure granulite facies sukma supracrustal rocks near Nagaras, southern Bastar craton|
|Authors: ||THAKUR, SS|
|Issue Date: ||2007|
|Publisher: ||GEOLOGICAL SOC INDIA|
|Citation: ||JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA, 69(1), 75-79|
|Abstract: ||This communication discusses the metamorphism of low pressure granulites in the Sukma supracrustal suite near Nagaras in the southern Bastar craton. The area shows occurrence of Mg-Al rocks,of both amphibolite and granulite facies. Amphibolite facies Mg-Al schist usually contains cordierite and, a low-Ca amphibole, which is commonly cummingtonite and rarely gedrite. Low-Ca amphibole and sillimanite are never found together in the same rock. Mg-Al granulite is characterised by the presence of orthopyroxene in lieu of low-Ca amphibole. Most of the Mg-Al rocks are silica saturated.|
|Appears in Collections:||Article|
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