2019
DOI: 10.1016/j.eng.2019.02.006
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Ophiolite-Hosted Diamond: A New Window for Probing Carbon Cycling in the Deep Mantle

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Cited by 24 publications
(21 citation statements)
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“…Type Ib diamonds are very rare in nature (<1% of cape series yellow diamonds in nature). So far, type Ib diamonds have only been discovered in Helam/Swartruggens in the eastern block of the Kaapvaal craton [46,47], Lac de Gras in the Slave Craton [48], Dachine in the Amazon Craton [49][50][51], Orapa rock tubes in the southwest of the Zimbabwe Craton [52], Qilalugaq of the Rae Craton and the Kankan region of the West African Craton [53,54], Tibet of China and Pozanti-Karsanti of Turkey [19].…”
Section: Modelling Of Mantle Residence Timementioning
confidence: 99%
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“…Type Ib diamonds are very rare in nature (<1% of cape series yellow diamonds in nature). So far, type Ib diamonds have only been discovered in Helam/Swartruggens in the eastern block of the Kaapvaal craton [46,47], Lac de Gras in the Slave Craton [48], Dachine in the Amazon Craton [49][50][51], Orapa rock tubes in the southwest of the Zimbabwe Craton [52], Qilalugaq of the Rae Craton and the Kankan region of the West African Craton [53,54], Tibet of China and Pozanti-Karsanti of Turkey [19].…”
Section: Modelling Of Mantle Residence Timementioning
confidence: 99%
“…In recent years, diamonds have been recovered from ophiolites [13][14][15][16] and alkalic dolerites [17,18]. The discovery of ophiolitic diamonds and alkalic dolerites diamonds has drawn significant research interests to explore the origin of this new class of diamond source and to infer the evolution of their hosting rocks [19][20][21]. This new type of diamond had been initially considered as a result of contamination.…”
Section: Introductionmentioning
confidence: 99%
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“…According to the differences in occurrence and genesis, natural diamonds are divided into various types, including diamonds occurring in kimberlite, lamproite, ophiolite, alkaline mafic rock, crust-derived ultrahigh-pressure (UHP) metamorphic rock, meteoroliterelated and alluvial rocks [1][2][3][4][5]. Ophiolites are fragments of ancient oceanic crust and upper mantle, which is created at ocean spreading ridges and then emplaced on land [6].…”
Section: Introductionmentioning
confidence: 99%
“…However, it was not until the in situ diamonds were discovered in the Luobusa and Polar Ural chromitites as well as the Nidar mantle peridotites [24,35]. Particularly, ophiolite-hosted diamonds have inclusions of fluid and Mn-Co-Ni alloy and obviously show trace elements, e.g., Ba, Pb, Th and Eu, and crust-derived carbon-nitrogen isotope compositions different from those of synthetic diamonds [5,36,37]. Following the independent discovery of diamonds in ophiolitic mantle peridotites and chromitites by Australian, Spanish and Indian geologists, the occurrence of the ophiolite-type diamond was widely accepted [35,36,38,39].…”
Section: Introductionmentioning
confidence: 99%