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Petrogenesis of ophiolite-type chromite deposits in China and some new perspectives.

Hu, Z.X. and Niu, Y.L. and Liu, Y. and Zhang, G.R. and Sun, W.L. and Ma, Y.X. (2014) 'Petrogenesis of ophiolite-type chromite deposits in China and some new perspectives.', Geological journal of China universities., 20 (1). pp. 9-27.


Ophiolites of varying ages are widespread in China, some of which contain chromite deposites of industrial value. However, compared with some of the world’s large ophiolite chromite deposites (e.g., Kempirsai, Bulquiza, Guleman), the Chinese chromite deposits are small (e.g., Sartohay, Dongqiao, Luobusa). Recent research recognizes that most ophiolites with significant chromite reserves are all formed in a surpasubduction zone environment. Melt-rock interaction is a popular interpretation for the origin of podiform chromite deposits, but the actual mechanism in this model for chromite enrichment remains unclear. It remains the primary task to understand process or processes of chromium enrichment towards the formation of chromite deposits. Is the formation of chromium-rich melts necessary? If so, when, where, how, and under what conditions could this take place? These are additional processes beyond the well-understood aspects of the petrogenesis that need to research towards an effective chromite mineralization model.

Item Type:Article
Keywords:China, Ophiolites, Podiform chromite, Melt-rock interaction, Water, Spinel.
Full text:Publisher-imposed embargo
(VoR) Version of Record
File format - PDF
Publisher Web site:
Date accepted:08 December 2013
Date deposited:23 July 2015
Date of first online publication:March 2014
Date first made open access:No date available

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