Lecture_07 - LECTURE 7: METEORITE IMPACTS 1.0 METEORITICS...

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Lecture 7. Revised 8/08 1 LECTURE 7: METEORITE IMPACTS 1.0 METEORITICS METEOROIDS METEORS (IONIZES) SHOOTING STARS SHOWERS METEORITES 31,000 DOCUMENTED FINDS LARGEST ~ 60 TONS (HOBA) USUALLY NAMED AFTER LOCATION WHERE FOUND “At about eleven o’clock in the evening of October 17, 1921, a meteorite was seen to pass through the sky from N.N.W. to S.S.E. over the northeastern portion of the Lower Peninsula of Michigan. Near Rose City, Ogemaw County, it exploded with the usual accompaniment of several loud reports, and three of the fragments into which it burst have been recovered on the premises of Mr. George Hall about nine miles northeast of this little hamlet, which gives its name to the fall.” American Museum of Natural History 1.2 COMPOSITION AND CLASSIFICATION STONES MOST ABUNDANT OF METEORITES (94% OF TOTAL) COMPOSED MAINLY OF SILICATES, SOME
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Lecture 7. Revised 8/08 2 CARBONACEOUS TWO TYPES OF STONES CHONDRITES CONTAIN CHONDRULES (GLASSY SPHERES) UNALTER AND UNDIFFERENTIATED CONDENSED EARLY
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This note was uploaded on 09/22/2008 for the course ISP 203A taught by Professor Larson during the Fall '08 term at Michigan State University.

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Lecture_07 - LECTURE 7: METEORITE IMPACTS 1.0 METEORITICS...

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