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Abstract
The granitoid rocks of Hon Me-Hon Dat are mainly monzogabrodiorite, monzodiorite, monzonite, monzogranodiorite. - Monzogabrodiorite, monzodiorite: Their major rock-forming minerals are plagioclase, alkali feldspar, pyroxene and a small proportion of hornblende, biotite... Chemically, they contain 53.64-53.76% of SiO2; total alkali: 8.80 to 10.29%; K2O/Na2O: 1.42 to 1.96. - Monzonite, monzogranodiorit: They consist of plagioclase, alkali feldspar, quartz, pyroxene, hornblende, biotite... The chemical analysis of monzogranodiorit shows SiO2: 63.68%; total alkali: 7.8%; K2O/Na2O: 1.18.
Issue: Vol 11 No 4 (2008)
Page No.: 40-48
Published: Apr 30, 2008
Section: Sciences of Earth and Environment - Research article
DOI: https://doi.org/10.32508/stdj.v11i4.2630
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