Title: Petrochemistry of the Quaternary Volcanic Rocks of the Kurile Islands
Abstract:The Kurile Islands form a typical double island arc, which is chiefly composed of Quaternary volcanic rocks that overlie Tertiary basement rocks. The Quaternary volcanic rocks include andesite and bas...The Kurile Islands form a typical double island arc, which is chiefly composed of Quaternary volcanic rocks that overlie Tertiary basement rocks. The Quaternary volcanic rocks include andesite and basalt of the tholeiite and high-alumina basalt series, and calc-alkalic rocks derived from these two series. Data from 160 whole-rock chemical analyses show that the SiO2 content of these rocks ranges from 45 to 70 wt percent. Basaltic rocks with 50 to 55 wt percent account for 24 percent of the analyzed rocks, and andesitic rocks with 55 to 60 wt percent SiO2 make up 37 percent of the total.Read More
Publication Year: 1975
Publication Date: 1975-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 1
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