The black and white matrix of the Tieschitz chondrite /H3/

Details The black and white matrix of the Tieschitz chondrite /H3/ The black and white matrix of the Tieschitz chondrite /H3/

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976e%26psl..30..143m&link_type=abstract

Earth and Planetary Science Letters, vol. 30, no. 1, Apr. 1976, p. 143-150. In French.

Computer Science

15

Chondrites, Chondrule, Meteoritic Microstructures, Photomicrography, Carbonaceous Chondrites, Chemical Composition, Crystal Structure, Meteoritic Composition, Olivine, Pyroxenes, Recrystallization

Scientific paper

The structure and composition of the Tieschitz meteorite have been investigated by scanning electron microscopy and observation under ultraviolet light after impregnation with a fluorescent resin. The chondrules were covered in space by a black carbonaceous crust, and following agglomeration a white silica and alumina rich material accumulated between them. These black and white products are the only constituents of the low-temperature matrix. Crystalline debris occurring outside the chondrules may not have resulted from shock effects. Many of the chondrules contain voids in the crystals, druses, and secondary cavities due to selective leaching. The materials leached out of the chondrules may have been reconcentrated in the matrix.

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