D/H ratios of hornblende, epidote and white mica from some mafic metamorphic rocks in Japan.
Yoshimasu Kuroda, Tetsuro Suzuoki, Sadao Matsuo, Hitoshi Onuki, Nobuhide Murakami, Tomoyasu Kinugawa
Abstract
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Yoshimasu Kuroda, Tetsuro Suzuoki, Sadao Matsuo, Hitoshi Onuki, Nobuhide Murakami, Tomoyasu Kinugawa
Abstract
Open-access reader
The D/H ratios of hornblendes, epidotes, zoisites and white micas in the epidote-amphibolites from four localities in Japan have been determined together with the chemical compositions. The order of enrichment for deuterium in these minerals is as follows: epidote > white mica > hornblende > zoisite. A quite different situation for D/H ratios between coexisting zoisite and epidote is pointed out.
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The D/H ratios of hornblendes, epidotes, zoisites and white micas in the epidote-amphibolites from four localities in Japan have been determined together with the chemical compositions. The order of enrichment for deuterium in these minerals is as follows: epidote > white mica > hornblende > zoisite. A quite different situation for D/H ratios between coexisting zoisite and epidote is pointed out.
Key concepts: Epidote, Hornblende, Geochemistry, Mafic, Mica, Geology, Metamorphic rock, Tourmaline