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Magnetic Particles Extracted from Manganese Nodules: Suggested Origin from Stony and Iron Meteorites

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Science  13 Feb 1970:
Vol. 167, Issue 3920, pp. 982-984
DOI: 10.1126/science.167.3920.982

Abstract

On the basis of x-ray diffraction and electron microprobe data, spherical and ellipsoidal particles extracted from manganese nodules were divided into three groups. Group 1 particles are believed to be derived from iron meteorites, and Group 11 particles from stony meteorites. Group III particles are believed to be volcanic in origin.