Origin of Diamonds in the Ureilites

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Science  27 Mar 1964:
Vol. 143, Issue 3613, pp. 1431-1434
DOI: 10.1126/science.143.3613.1431-a


Diamonds in two of the three diamantiferous stony meteorites (ureilites) show a pronounced crystallographic orientation. This suggests that the diamonds were produced by shock during breakup of the meteorite's parent body rather than by high gravitational pressure.

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