Metastable corundum + quartz + andalusite association in pelitic granulite from the Kerala Khondalite Belt, southern India
نویسندگان
چکیده
منابع مشابه
An Occurrence of Metastable Cristobalite in High-Pressure Garnet Granulite
High-pressure (0.8 gigapascals) granulite facies garnet from Gore Mountain, New York, hosts multiple solid inclusions containing the low-pressure silica polymorph cristobalite along with albite and minor ilmenite. Identification of cristobalite is based on Raman spectra, electron microprobe analysis, and microthermometric measurements on the alpha/beta phase transformation. The cristobalite plu...
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Background: The South-west coast of India is known to have very high levels of natural background radiation due to the monazite beach sand. Uranium is the heaviest trace element found in all terrestrial substances at varying levels with chemical and radio toxicities. It supports several short-lived radioisotopes in its decay series including radium. Uranium in drinking water is importa...
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Entomological surveys were carried out in the rubber plantation belt of Kerala to record mosquito fauna. Samples were collected from 23 randomly selected localities using standard methods for a period of three years, from Feb- ruary 2008 to January 2011. Thirty-two species belonging to nine genera: Aedes, Anopheles, Armigeres, Coquillettidia, Culex, Heizmannia, Mansonia, Toxorhynchites, and Ura...
متن کاملThermal perturbation during charnockitization and granulite facies metamorphism in southern India
We have deduced the steady-state lithospheric geotherm at c. 1 Ga in the south Indian shield area using the available data on the concentration of radioactive elements, and the f-T conditions of Proterozoic mantle xenoliths in the south Indian kimberlites as constraints. The geotherm was adjusted back to 2.5 Ga by keeping the surface temperature constant and calculating the temperature change a...
متن کاملAnaemia among schoolchildren from southern Kerala, India: A cross-sectional study.
BACKGROUND Iron deficiency anaemia remains a major nutritional problem among adolescents in India. The weekly iron and folic acid supplementation programme was launched in Kerala in 2013-14. We aimed to estimate the prevalence of anaemia among schoolchildren in Kollam district, Kerala and determine the associated factors. METHODS The haemoglobin level of 1600 boys and 1600 girls belonging to ...
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ژورنال
عنوان ژورنال: Journal of Mineralogical and Petrological Sciences
سال: 2011
ISSN: 1345-6296,1349-3825
DOI: 10.2465/jmps.101116