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Lorence Gene "Larry" Collins, born November 19, 1931, in Vernon, Kansas is an American petrologist, best known for his extensive research on metasomatism. ==Biography== Born in Vernon, Kansas, Collins studied geology at the University of Illinois in Urbana, where he earned a B.Sc. with high honours in 1953. This was followed in 1955 with an M.S. and a Ph.D. in 1959. His thesis dealt with the metasomatic origin of magnetite ore deposits in New York State. In 1960 he took a teaching position at San Fernando Valley State College, now California State University Northridge, which he held for 33 years. He taught mineralogy, petrology and remote sensing. Until 1962 he worked as an assistant professor. In 1962 he became an associate professor, and in 1966 he was promoted to full professor and was the president of the faculty. He retired in September 1993 from academic teaching. In 1966 he published an article in National Geographic magazine titled: ''Finding Rare Beauty in Common Rocks''. Since 1972, Collins has been working on the enigmatic mineral intergrowth myrmekite, which led to discoveries in the field of petrology. He especially questions the purely magmatic approach to granite genesis and shows in his research the importance of metasomatic replacements, in some places on a very large regional scale. Since 1955, Collins is married to Barbara J. Schenck, a botanist, and has five children. Together they have created a website on Californian wildflower identification that covers the four biotopes chaparral, desert, mountains, and northern coast. Lorence Collins is the primary nature photographer on this site. Barbara died on April 30, 2013. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lorence G. Collins」の詳細全文を読む スポンサード リンク
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