The Tambakwatu chondrite

Details The Tambakwatu chondrite The Tambakwatu chondrite

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981metic..16...77f&link_type=abstract

Meteoritics, vol. 16, Mar. 31, 1981, p. 77-81.

Physics

Chemical Composition, Chondrites, Meteoritic Composition, Meteoritic Microstructures, Mineralogy, Textures, Chondrule, Chromites, Grain Boundaries, Metals, Olivine, Silicates, Troilite, Meteorites, Tambakwatu Meteorite, Petrography, Mineralogy, Composition, Texture, L6 Chondrites, Photographs, Chemistry, Characteristics, Data, Physical Properties, Classification

Scientific paper

The texture and mineralogy of a meteorite that fell to earth on February 14, 1975, near the village of Tambakwatu (Indonesia) are analyzed. Modal analysis by point counting one thin section (a total of approximately 1 sq cm) shows that Tambakwatu is about 87 wt % silicates, 8 wt % metal, 4.5 wt % troilite, and 0.5 wt % chromite. It is noted that the chondrules, most of which are barred or porphyritic, are generally fragmented with barely distinguishable boundaries. A table giving the composition of the meteorite is included. On the basis of classical nomenclature, Tabakwatu is defined as a veined, intermediate hypersthene chondrite (Cia). According to the classification scheme proposed by Van Schmus and Wood (1967), the meteorite is an L6 chondrite.

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