Archean mantle heterogeneity and the origin of diamondiferous eclogites, Siberia; evidence from stable isotopes and hydroxyl in garnet

Data are presented for the O isotopic composition of clinopyroxene and garnet, the C isotopic composition of diamond, and the OH-content of garnet from eclogite xenoliths brought to the surface by the Udachnaya kimberlite pipe, Yakutia, Siberia.

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Bibliographische Detailangaben
Veröffentlicht in:	The American mineralogist 1995-08, Vol.80 (7-8), p.799-809
Hauptverfasser:	Snyder, Gregory A, Taylor, Lawrence A, Jerde, Eric A, Clayton, Robert N, Mayeda, Toshiko K, Deines, Peter, Rossman, George R, Sobolev, Nikolai V
Format:	Artikel
Sprache:	eng
Schlagworte:	alkaline earth metals Archean Asia Chemistry Commonwealth of Independent States diamond deposits eclogite Economic geology Geochemistry Heterogeneity hydroxyl ion igneous rocks inclusions isotope ratios Isotopes kimberlite mantle metals metamorphic rocks Minerals Nd-144/Nd-143 neodymium nonmetals O-18/O-16 ophiolite oxygen phase equilibria Precambrian rare earths Russian Federation Sr-87/Sr-86 Stable isotopes strontium Udachnaya Pipe ultramafic composition xenoliths Yakutia Russian Federation
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Beschreibung
Zusammenfassung:	Data are presented for the O isotopic composition of clinopyroxene and garnet, the C isotopic composition of diamond, and the OH-content of garnet from eclogite xenoliths brought to the surface by the Udachnaya kimberlite pipe, Yakutia, Siberia.
ISSN:	0003-004X 1945-3027
DOI:	10.2138/am-1995-7-816