Marcin wrote: In Ensisheim I have seen that some dealers sells polish meteorite Zaklodzie as Primitive Aubrite. I want to say that Zaklodzie is nothing less and nothing more than Ungrouped Primitive Enstatite-rich Achondrite. Mr Grossman confirmed that and say that sugestion for aubritic classification was a mistake in the past. Zaklodzie is one of only 3 enstatite achondrites.
and, while we are at it: PATZER A. et al. (2002) Itqiy: A study of noble gases and oxygen isotopes including its terrestrial age and a comparison with Zaklodzie (MAPS 37-6, 2002, pp. 823-833): In addition, a comparison of the noble gas records, oxygen isotopic data, and terrestrial ages of Itqiy and Zaklodzie is reported. Zaklodzie is another ungrouped, anomalous enstatite meteorite, which was recently found in Poland (Stepniewski et al., 2000; see also Burbine et al., 2000). Similar to Itqiy, it is composed mainly of euhedral and subhedral enstatite, but unlike ltqiy, interstices are filled with plagioclase acting as a groundmass. Additional accessory phases of Zaklodzie are kamacite and troilite. Schreibersite was also identified. In general, the chemical composition and mineralogy of Zaklodzie display parallels to EL chondrites whereas its texture can be described as either highly metamorphosed or achondritic. Patzer et al. (2001b) concluded that owing to petrologic-chemical reasons both meteorites neither represent the same material nor that Itqiy was derived from Zaklodzie-like matter. This conclusion is here reviewed in the light of noble gases and oxygen isotope data. Best wishes, Bernd ______________________________________________ Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
