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Oxide, sulphide and carbonate minerals in a mantle polymict breccia: Metasomatism by proto-kimberlite magmas, and relationship to the kimberlite megacrystic suite

Date

Authors

Giuliani, Andrea

Kendrick, Mark

Kamenetsky, Vadim S.

Phillips, David

Wyatt, B. A.

Maas, Roland

Publisher

Elsevier

Abstract

Polymict breccias entrained by kimberlites are mantle xenoliths comprising coarse-grained mantle minerals (porphyroclasts) and rock clasts, cemented together by ilmenite, rutile, phlogopite, olivine and minor sulphides. These unusual xenoliths are general

Keywords

Keywords: Alkali-carbonate; Kimberlite; Lithospheric mantle; Megacryst suite; Polymict breccia; Carbonate minerals; Carbonation; Cementing (shafts); Chlorine compounds; Hafnium; Isotopes; Liquids; Mica; Olivine; Oxide minerals; Rocks; Segregation (metallography); S Alkali-carbonate; Ilmenite; Kimberlite; Lithospheric mantle; Megacryst suite; Polymict breccia

URI

http://hdl.handle.net/1885/77718

Collections

ANU Research Publications

Source

Chemical Geology

Type

Journal article

DOI

10.1016/j.chemgeo.2012.09.025

Restricted until

2037-12-31

Downloads

File

Description

01_Giuliani_Oxide,_sulphide_and_carbonate_2013.pdf (1.93 MB)