Petrology of the Bundelkhand Granites near Mahoba, District Hamirpur, U. P.

Authors

  • Shamim Alam
     Department of Geology, Aligarh Muslim University, Aligarh 202001
  • Syed M. Zainuddin
     Department of Geology, Aligarh Muslim University, Aligarh 202001

Abstract

Three genetically different types of granites: coarse-grained biotite granite, spotted granite and fine grained granite are recognised. The presence of xenoliths and a significantly high proportion of C-twins, and the presence of oscillatory and normal zoning in plagioclase crystals suggest a magmatic origin. The plots of the three rock types on quartz-albite-orthoclase ternary diagram and the high proportion of albite in K-feldspar indicate a high temperature of crystallization.

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Issue

Volume 22, Issue 10, October 1981

Section

Research Notes

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Published

1981-10-01

How to Cite

Alam, S., & Zainuddin, S. M. (1981). Petrology of the Bundelkhand Granites near Mahoba, District Hamirpur, U. P. Journal of Geological Society of India, 22(10), 502–504. Retrieved from https://geosocindia.com/index.php/jgsi/article/view/64974

References

GORAl, M., (1951) Petrological studies on plagioclase twins. Amer. Mineralogist, v. 36, pp. 884-901.

JAMES, R. S. and HAMILTON, D. L., (1969) Phase relations in the system NaAlSi3O8 - KAISi3O8CaAl2Si2O8 - SiO2 at 1 kilobar water vapour pressure. Contr. Mineral. and Petrol., pp. 111-141.

STRECKEISEN, A. L., (1967) Classification and Nomenclature of Igneous rocks. N. Jb. Miner. Abh., p. 107.