THE METEORITICAL BULLETIN E-mail Announcement 87-4, May 6, 2003 Sara Russell, Editor (firstname.lastname@example.org) Jutta Zipfel, Assoc. Ed. for Northwest Africa (email@example.com) Luigi Folco, Assoc. Ed. for Africa (firstname.lastname@example.org) Monica Grady, Assoc. Ed. for Oman (M.Grady@nhm.ac.uk) Rhian Jones, Assoc. Ed. for the Americas (email@example.com) Tim McCoy, Assoc. Ed. for Antarctica (firstname.lastname@example.org) Jeffrey N. Grossman, Assoc. Ed. for Web (email@example.com) This is the fourth electronic announcement of new meteorites to be published in Meteoritical Bulletin, No. 87, 2003 July. Sayh al Uhaymir 150 20°59'31.3" N, 57°19'11,7" E Al Ghaba, Oman Found 2002 October 8 Martian meteorite (basaltic shergottite) A 107.7 g olive-brown coloured stone of relatively angular shape with one small area of thin black-brown fusion crust was recovered on a Miocene fresh-water limestone gravel plateau about 43 km south of Al Ghaba by Rainer and Sven Bartoschewitz. Mineralogy and classification (R. Bartoschewitz, Bart): porphyritic texture with olivine phenocrysts up to 2 mm (Fo67-64) set in a matrix consisting of feldspathic glass (An53-66Or0.3-0.8) and pigeonite (En62-69Wo7-11) with minor Ca-poor pyroxene (En65-66Fs34-35). Shock melt veins and pockets are partly recrystallized. Shock stage S5. Oxygen isotopic composition (R.N. Clayton, UChi): d17O = +2.78 permil, d18O = +4.74 permil, they fall in the SNC field. Analysed by P. Appel and B. Mader (Kiel). SaU 005, 008, 051, 060 and 094 were found in the same area and may be paired. Specimens: 17.7 g Muzeum Ziemi PAN, al. Na Skarpie 27, PL- Warszawa, 2.7 g Kiel, main mass Bart.
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