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226Ra excesses in mid-ocean-ridge basalts and mantle melting

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Page 1: 226Ra excesses in mid-ocean-ridge basalts and mantle melting

© 1988 Nature Publishing Group

Page 2: 226Ra excesses in mid-ocean-ridge basalts and mantle melting

© 1988 Nature Publishing Group

Page 3: 226Ra excesses in mid-ocean-ridge basalts and mantle melting

© 1988 Nature Publishing Group

Page 4: 226Ra excesses in mid-ocean-ridge basalts and mantle melting

© 1988 Nature Publishing Group