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Ghosh, Debashish
- On the Myrmekites from the Granite Gneiss of Doranda, Hazaribagh District, Bihar
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Authors
Affiliations
1 Department of Geology, Presidency College, Calcutta, IN
1 Department of Geology, Presidency College, Calcutta, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 17, No 2 (1976), Pagination: 201-206Abstract
The abundance of myrmekite within the granite gneisses of Doranda is strongly correlated to the proportion of K-feldspar within the granite gneiss. The proportion of quartz in myrmekite is independent of the anorthite content of the myrmekitic plagioclase. These myrmekites have originated due to crystallization of residual liquid within some strain features developed within the plagioclases at their contact with K-feldspar. The strain features resulted due to lateral Stress exerted on the plagioclase by the growing adjacent K-feldspar.- Study of a Deformed Conglomerate Horizon in the Sandur Schist Belt, Bellary District, Karnataka
Abstract Views :189 |
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Authors
Affiliations
1 Jayanagar, Bangalore-560011, IN
2 Cement Research Institute of India, New Delhi-110048, IN
1 Jayanagar, Bangalore-560011, IN
2 Cement Research Institute of India, New Delhi-110048, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 20, No 7 (1979), Pagination: 349-352Abstract
The deformed pebbles of the conglomerate horizon occurring to the SE of Hospet have their longest and the intermediate axis lying on the schistosity plane. The long axis shows a strong preferred orientation. The intermediate axis is parallel or subparallel to the regional fold axis. The strain is plane strain type with slight elongation parallel to the intermediate axis or the regional fold axis.- A Tectono-Stratigraphic Model of the Chitradurga Schist Belt, Karnataka, India
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PDF Views:4
Authors
Affiliations
1 Department of Geology, Presidency College, Calcutta 700 001, IN
1 Department of Geology, Presidency College, Calcutta 700 001, IN