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Diamonds have been reported from Tibetan“ophiolites”for≥30 years,but have been widely dismissed as contaminants,because their unusual morphology and light C(δ~(13)C=-18 to–27)are unlike those of kimberlitic diamonds.However,the diamonds have now been found in situ in both the chromitites and the peridotites of
Diamonds have been reported from Tibetan “ophiolites” for ≧ 30 years, but have been widely dispersed as contaminants, because their unusual morphology and light C (δ ~ (13) C = -18 to-27) are unlike those of kimberlitic the diamonds have now been found in situ in both the chromitites and the peridotites of