Nature, Volume 454Sir Norman Lockyer Macmillan Journals Limited, 2008 - Electronic journals |
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Page 92
... values of around -6 per mil to values observed in metamorphic and some eclogitic diamonds that are interpreted to reflect deep subduction of low - d13CPDB biogenic surface carbon . Low d13CPDB values may also be produced by inorganic ...
... values of around -6 per mil to values observed in metamorphic and some eclogitic diamonds that are interpreted to reflect deep subduction of low - d13CPDB biogenic surface carbon . Low d13CPDB values may also be produced by inorganic ...
Page 94
... values of diamond - graphite inclusions . We plot the values against the age of the Jack Hills host zircons , and provide a comparison of their distribution with 813CPDB distributions of diamonds t ht " ' 3 . t Volcanic carbon dioxide.
... values of diamond - graphite inclusions . We plot the values against the age of the Jack Hills host zircons , and provide a comparison of their distribution with 813CPDB distributions of diamonds t ht " ' 3 . t Volcanic carbon dioxide.
Page 324
... values decrease irregularly from 0.69-1.0 to 0.54 before OAE2 , and decrease to 0.17 a few centimetres before the OAE . These very low osmium isotope values persist through OAE2 to ~ 426.0 mcd before gradually increasing further up the ...
... values decrease irregularly from 0.69-1.0 to 0.54 before OAE2 , and decrease to 0.17 a few centimetres before the OAE . These very low osmium isotope values persist through OAE2 to ~ 426.0 mcd before gradually increasing further up the ...
Contents
More CO2 means more | 46 |
ARTICLES | 49 |
SMAD proteins control DROSHAmediated microRNA maturation | 56 |
Copyright | |
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