Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite

Ophiolite-hosted diamond from peridotites and podiform chromitites significantly differs from those of kimberlitic diamond and ultra-high pressure (UHP) metamorphic diamond in terms of occurrence, mineral inclusion, as well as carbon and nitrogen isotopic composition. In this review, we briefly summ...

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Autores principales:	Fei Liu, Dongyang Lian, Weiwei Wu, Jingsui Yang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	diamond ophiolite chromitite peridotite crustal recycling into deep mantle Crystallography QD901-999
Acceso en línea:	https://doaj.org/article/5574626910e349ad9d5a8f57b0ae78ff
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spelling	oai:doaj.org-article:5574626910e349ad9d5a8f57b0ae78ff2021-11-25T17:18:53ZDiamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite10.3390/cryst111113622073-4352https://doaj.org/article/5574626910e349ad9d5a8f57b0ae78ff2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4352/11/11/1362https://doaj.org/toc/2073-4352Ophiolite-hosted diamond from peridotites and podiform chromitites significantly differs from those of kimberlitic diamond and ultra-high pressure (UHP) metamorphic diamond in terms of occurrence, mineral inclusion, as well as carbon and nitrogen isotopic composition. In this review, we briefly summarize the global distribution of twenty-five diamond-bearing ophiolites in different suture zones and outline the bulk-rock compositions, mineral and particular Re-Os isotopic systematics of these ophiolitic chromitites and host peridotites. These data indicate that the subcontinental lithospheric mantle is likely involved in the formation of podiform chromitite. We also provide an overview of the UHP textures and unusual mineral assemblages, including diamonds, other UHP minerals (e.g., moissanite, coesite) and crustal minerals, which robustly offer evidence of crustal recycling in the deep mantle along the suprasubduction zone (SSZ) and then being transported to shallow mantle depths by asthenospheric mantle upwelling in mid-ocean-ridge and SSZ settings. A systematic comparison between four main genetic models provides insights into our understanding of the origin of ophiolite-hosted diamond and the formation of podiform chromitite. Diamond-bearing peridotites and chromitites in ophiolites are important objects to discover new minerals from the deep earth and provide clues on the chemical composition and the physical condition of the deep mantle.Fei LiuDongyang LianWeiwei WuJingsui YangMDPI AGarticlediamondophiolitechromititeperidotitecrustal recycling into deep mantleCrystallographyQD901-999ENCrystals, Vol 11, Iss 1362, p 1362 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	diamond ophiolite chromitite peridotite crustal recycling into deep mantle Crystallography QD901-999
spellingShingle	diamond ophiolite chromitite peridotite crustal recycling into deep mantle Crystallography QD901-999 Fei Liu Dongyang Lian Weiwei Wu Jingsui Yang Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
description	Ophiolite-hosted diamond from peridotites and podiform chromitites significantly differs from those of kimberlitic diamond and ultra-high pressure (UHP) metamorphic diamond in terms of occurrence, mineral inclusion, as well as carbon and nitrogen isotopic composition. In this review, we briefly summarize the global distribution of twenty-five diamond-bearing ophiolites in different suture zones and outline the bulk-rock compositions, mineral and particular Re-Os isotopic systematics of these ophiolitic chromitites and host peridotites. These data indicate that the subcontinental lithospheric mantle is likely involved in the formation of podiform chromitite. We also provide an overview of the UHP textures and unusual mineral assemblages, including diamonds, other UHP minerals (e.g., moissanite, coesite) and crustal minerals, which robustly offer evidence of crustal recycling in the deep mantle along the suprasubduction zone (SSZ) and then being transported to shallow mantle depths by asthenospheric mantle upwelling in mid-ocean-ridge and SSZ settings. A systematic comparison between four main genetic models provides insights into our understanding of the origin of ophiolite-hosted diamond and the formation of podiform chromitite. Diamond-bearing peridotites and chromitites in ophiolites are important objects to discover new minerals from the deep earth and provide clues on the chemical composition and the physical condition of the deep mantle.
format	article
author	Fei Liu Dongyang Lian Weiwei Wu Jingsui Yang
author_facet	Fei Liu Dongyang Lian Weiwei Wu Jingsui Yang
author_sort	Fei Liu
title	Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
title_short	Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
title_full	Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
title_fullStr	Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
title_full_unstemmed	Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite
title_sort	diamond and other exotic mineral-bearing ophiolites on the globe: a key to understand the discovery of new minerals and formation of ophiolitic podiform chromitite
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5574626910e349ad9d5a8f57b0ae78ff
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Diamond and Other Exotic Mineral-Bearing Ophiolites on the Globe: A Key to Understand the Discovery of New Minerals and Formation of Ophiolitic Podiform Chromitite

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