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PIANCALDOLI METEORITE: CHEMISTRY, MINERALOGY AND PETROLOGY Marcello Carapezza, P. Mario Nuccio and Mariano...di Palermo, Palermo, Italy The fall occurred near Piancaldoli, Florence, Italy, at 19.14 UiT. on the...terminal point were calculated, leading to the recovery of three small meteoritic fragments, found on the roof...Co 0.05; sum 99.45. In the lithic portion of the meteorite the following minerals were found: both clino...petrological data, we conclude that the Piancaldoli meteorite is an "unequilibrated ordinary chondrite |
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the Piancaldoli LL3 meteorite: a new kind of type 3 chondrite and its relevance to the history of chondrdes...SCOTTand KLAUS KEIL Department of Geology and Institute of Meteoritics, University of New Mexico, Albuquerque...revised form June 2, 1982) Abstract-In the Piancaldoli LL3 chondrite, we found a mm-sized clast containing...smaller than any previously reported) that are all of the same textural type (radial pyroxene; Fs,_,,)...8 vol. %). unique characteristics of the chondrules, and absence of microscopically-observable olivine |
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ABSTRACTS OF PAPERS PRESENTED AT THE 34th ANNUAL MEETING THE METEORITICAL SOCIETY AUGUST 20-28, 1971... "GOETHITE" ON THE MOON AND THE POSSIBLE EXISTENCE OF OTHER OXIDIZED AND HYDROXYL-BEARING PHASES IN LUNAR...ofMineralogy and Petrology University of Cambridge In a thin section (14301/9) of a microbreccia from the Fra...fragments of metallic iron (kamacite) occur in a very fine-grained matrix composed of glass and mineral...mineral fragments. Some of the fragments of kamacite are surrounded by a brown stained halo and a few show |
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GREGORY W. KALLEMEYN Institute of Geophysics and Planetary Physics, University of California, Los Angeles,...resembles CI and "CR" chondrites in its abundance ratios of refractory lithophiles and refractory siderophiles...relative to CI chondrites, LEW85332 has low abundances of Mn, Se, Zn and most volatile siderophiles; relative...several petrologic characteristics of LEW85332 resemble those of CO chondrites, LEW85332 differs from...lower abundance ratios of refractory lithophiles and higher abundance ratios of common and volatile siderophiles |
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ABSTRACTS OF PAPERS PRESENTED ATTHE 38th ANNUAL MEETING THE METEORITICAL SOCIETY JULY 28 - AUGUST 1...OX] 3PR, England Whole meteorite samples taken from different individuals of Bruderheim and Peace River...and from various locations in a large individual of Bruderheim, have been analysed for U and Pb concentrations...and for the isotopic composition of the lead. The isotopic composition of the lead is found to be quite...versus 206JJb/204t'b plot. Lead isotopic analyses of these meteorites from other laboratories also fall |
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U.S. DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY THE FORD-FLEISCHER FILE OF MINERALOGICAL REFERENCES...editorial standards 1983 The Ford-Fleischer File of Mineralogical References 1981-1982 Inclusive by Michael...W.E. Ford of Yale University, having just published the third Appendix to Dana's System of Mineralogy...contain data that should be considered in the revision of the 6th Edition. He maintained the file in duplicate...Frondel there would have the main burden of the revision. A number of assistants were hired for the project |