Congrats to JohnB and Laurence! Nice! Cheers!
Jim Wooddell On Thu, May 16, 2013 at 8:15 PM, John Cabassi <[email protected]> wrote: > Thanks Mike. That is awesome and a big congrats to John. He's been > very quiet lately, maybe he is still out on that same archaeological > site. > > On Thu, May 16, 2013 at 8:00 PM, Galactic Stone & Ironworks > <[email protected]> wrote: >> >> Hi Bulletin Watchers, >> >> One new approval today. It is an old Oman find from 2005. Apparently >> this ureilite was very stubborn and it chewed up several blades before >> it could be subdued by the saw. >> >> Text - >> >> Sayh al Uhaymir 559 (SaU 559) 20°33.046’N, 56°39.336’E >> >> Al Wusta, Oman >> >> Found: Nov 2005 >> >> Classification: Ureilite >> >> History: During November 2005, John Blennert found a 107 g meteorite >> in the desert of Oman. >> >> Physical characteristics: Exterior of the stone is rough, with >> preferential (wind?) ablation of the pyroxene over olivine grains. >> Difficult to cut, requiring seven diamond blades and one week to slice >> the stone in half. Surface of the polished thin section is rough. >> >> Petrography: Typical ureilite dominated by roughly equal proportions >> of anhedral, fine- to medium-grained (0.5 to 1 mm) olivine and >> pyroxene. No graphite visible in the thin section. Extensive reduction >> of the olivine. Diamond abundant and confirmed by powder X-ray >> diffraction. Diamond clusters to 20 μm visible with a reflected-light >> microscope. Interstitial metal mostly altered to iron oxides. >> >> Geochemistry: Olivine and pyroxene more reduced than in typical >> ureilites. Olivine cores have Fa5.2±0.1, FeO/MnO = 11.5±0.7, Cr2O3 to >> 0.5 wt%, CaO to 0.3 wt%, n=13, rims to Fa0.5. Low-Ca pyroxene cores >> Fs4.7±0.1Wo4.89±0.04, n=7. >> >> Classification: Ureilite. >> >> Specimens: 32 g and one thin section at ASU. >> >> Link - http://www.lpi.usra.edu/meteor/metbull.php?code=57462 >> >> Best regards, >> >> MikeG >> -- >> ------------------------------------------------------------- >> Web - http://www.galactic-stone.com >> Facebook - http://www.facebook.com/galacticstone >> Twitter - http://twitter.com/GalacticStone >> Pinterest - http://pinterest.com/galacticstone >> RSS - http://www.galactic-stone.com/rss/126516 >> ------------------------------------------------------------- >> ______________________________________________ >> >> Visit the Archives at http://www.meteorite-list-archives.com >> Meteorite-list mailing list >> [email protected] >> http://six.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ > > Visit the Archives at http://www.meteorite-list-archives.com > Meteorite-list mailing list > [email protected] > http://six.pairlist.net/mailman/listinfo/meteorite-list -- Jim Wooddell [email protected] 928-247-2675 ______________________________________________ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
