Hello Folks, 01) MONTEIRO J.F. (1989) Preliminary study of the Chaves howardite (Meteoritics 24-4, 1989, pp. A305-A306):
"Quartz and tridymite were observed in thin section..." 02) RUBIN A.E. (1997) Mineralogy of meteorite groups (Meteoritics 32-2, 1997, 231-247, p. 241, excerpts): "The basaltic shergottites are fine-grained rocks consisting of major pigeonite, augite and maskelynite, minor titanian magnetite, ilmenite, pyrrhotite and whitlockite, and accessory fayalite, q u a r t z , baddeleyite and chlorapatite within the mesostasis (McSween, 1994)." 03) AFANASIEV S.V. et al. (2000) Dhofar 007 and Northwest Africa 011: Two new eucrites of different types (MAPS 35-5, 2000, Suppl., A019): "Northwest Africa 011 is an unbrecciated achondrite unlike ... Accessories are metal, troilite, spinel, ilmenite, and q u a r t z." 04) SEMENENKO V.P. et al. (1998) The Galkiv meteorite: A new H4 chondrite from Ukraine (MAPS 33, 1998, A193-A196): "The meteorite contains olivine, low-Ca pyroxene, Ni-Fe, troilite, and minor amounts of high-Ca pyroxene, chromite, feldspathic plagioclase, phosphates, metallic Cu and rare grains of spinel and q u a r t z ." 05) ZHANG Y. et al. (1996) Pyroxene structures, cathodoluminescence and the thermal history of the enstatite chondrites (Meteoritics 31-1, 1996, 87-96): "Mason (1968) suggested a maximum equilibration temperature of 870°C based on the presence of q u a r t z ." Best wishes, Bernd ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
