 | Methot, Robert L., Noonan, Albert F., Jarosewich, Eugene, deGasparis, Aurelio A., Al-Far, D.M. (1975) MINERALOGY, PETROLOGY AND CHEMISTRY OF THE ISNA (C3) METEORITE. Meteoritics, 10 (2) 121-131 doi:10.1111/j.1945-5100.1975.tb00017.x | Journal (article/letter/editorial) | | MINERALOGY, PETROLOGY AND CHEMISTRY OF THE ISNA (C3) METEORITE Robert l. Methot Department ofPhysical Sciences...Geological Museum, Cairo, Egypt A total chemical analysis of the Isna, Egypt, meteorite is similar to analyses...comparison with one group ofchemical data indicates that Isna is intermediate between the C3(O)'s and C3(V)'s...basis of atom ratios of Fe, Ca, AI, and Ti to Si, Isna can also be placed into a chemical group which includes...probable high-temperature origin, contain olivine, spinel, Ce-ricn nepheline, gehlenite, diopside, augite |  | | Journal (article/letter/editorial) | | these meteorites are characThis study applies a new analytical technique (micterized by the presence...unaminclusions occurring together in the same meteorite biguous textural evidence of having been totally...not been sigdrites (principally the Allende C3 meteorite), surprisnificantly altered by thermal metamorphism...chondrites in chondrules and inclusions were documented (Isna, (WALTER, 1969; DODD and WALTER, 1972; DEGASWarrenton...Tennessee, Knoxville, TN 37916, U.S.A. analyzed. This meteorite consists of dark carbonaINTRODUCTION 1843 1844 |  | | Journal (article/letter/editorial) | | where R = crate ring rate, m = moon, and p = meteorite parent body. In terms of this relation, the above...cometary origin can be ruled out for all stony meteorite classes that have gas-rich members. This includes...crystal from the Murchison meteorite. A REINVESTIGATION OF THE LODRAN METEORITE Richard W. Bild, John T...California Los Angeles, CA 90024. The Lodran meteorite was described by Tschermak. He reported a friable...composition close to (K,Na)A1Sis 0 12• Apparently, a new mineral. We cannot yet state whether Lodran is primitive |  | | Journal (article/letter/editorial) | | the surface, so rapidly that portions of the meteorite and the ground which were in contact were vaporized...people wondered about what would happen if a large meteorite fell to the ground, but they were limited by the...discussed (Gifford, 1924) in a paper published in New Zealand. Gifford and Opik probably were the first...meteorites and the corollary that the size of the meteorite was quite small relative to the crater it could...an equal mass of TNT. The kinetic energy of a meteorite changes with the square of the velocity and hence |
|
