Reports

Chainpur-like Chondrites: Primitive Precursors of Ordinary Chondrites?

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Science  05 Aug 1966:
Vol. 153, Issue 3736, pp. 644-647
DOI: 10.1126/science.153.3736.644

Abstract

Chainpur and similar, apparently primitive, chondritic meteorites may be precursors of ordinary chondrites; a variety of evidence supports this working hypothesis. In general, carbonaceous chondrites seem to be related collaterally to this genetic sequence rather than being direct ancestors of ordinary chondrites. Metamorphic processes may be responsible for fractionations of elements such as indium and iodine, and type-II carbonaceous chondrites seem to be more primitive than types I or IIIA.

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