Browsing by Subject "feldspars"
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Climatic aridity over India 11,000 years ago: Evidence from feldspar distribution in shelf sediments
(Elsevier, 1986)Feldspars and quartz contents of sand and silt fractions of forty three samples from the western continental shelf of India were determined by the X-ray diffraction method. The results indicate that the feldspar content ... -
Morphology and petrography of pumice from the Central Indian Ocean Basin
(CSIR-NISCAIR, 1988)Majority of pumice are equant with high Corey's shape factor values. Petrographic studies indicate flow bands of isotropic nature, with varied vesicle shape and size, and the diffractograms show them to be mainly composed ...