 | | Journal (article/letter/editorial) |
| extends island as far as the Indian hamlet of Antofagasta, about 180 miles from 224 L. FLETCHER ON THE...and a comparison of the manuscript and printed meteorite-lists, which have been placed at my service, lead...small grains of nickel-iron are visible : 9.. Vaca Muerta; one of the links between the Irons and the Stones...hundred miles away, and about tor~y miles apart; Vaca Muerta, Cachiyuyal, Copiapo and Lutschaunig, and probably...example, belongs to the more frequent kind of meteorite, the chondritic, of which many falls have been |
 | | Journal (article/letter/editorial) |
| extends island as far as the Indian hamlet of Antofagasta, about 180 miles from 224 L. FLETCHER ON THE...and a comparison of the manuscript and printed meteorite-lists, which have been placed at my service, lead...small grains of nickel-iron are visible : 9.. Vaca Muerta; one of the links between the Irons and the Stones...hundred miles away, and about tor~y miles apart; Vaca Muerta, Cachiyuyal, Copiapo and Lutschaunig, and probably...example, belongs to the more frequent kind of meteorite, the chondritic, of which many falls have been |
 | | Journal (article/letter/editorial) |
| variable from meteorite to meteorite and sometimes also exhibit variations in the same meteorite. Uranium...motivation of this work was to identify in a given meteorite as many U-rich phases as possible which could...plutonium and/or determine the thermal history of the meteorite. The decay of 2”Pu (an extinct radionuclide with...probably plutonium) were fractionated during the meteorite formation. In the present study, we concentrated...and Storzer (1975) first suggested measuring meteorite cooling rates by taking advantage of the different |
 | | Book |
| (andalusite-sillimanite-kyanite) and SíO2 (quartz-cristobalite-tridymite), the titanium dioxide system is unique in that...hands. At the Agua olgada quarry, Atacama Region, Chile, rutile is found in agmatite veinlets that contain...recently been reported from the Borborema pegmatitic province in Rio Grande do Norte, Brazil (Beurten et al...Agua Colgada quarry, Freirina, Atacama Region, Chile. Specimen is about 6 cm tall. RJL3431 Formation...L5; and the Vaca Muerta, Taltal, Atacama, Chile, mesosiderite. In the Vaca Muerta meteorite the rutile |
 | | Journal (article/letter/editorial) |
| microscopist, Gustav Tschermak, and the outstanding meteorite collection of that day, the Vienna collection...meteorites. Table 1 traces the development of meteorite mineralogy over the following seventy years. It...extracted sulfur with alcohol from the Cold Bokkeveld meteorite, and later investigators extracted it from other...+Lawrencite Magnesite Calcite Magnetite Chromite Quartz Tridymite Chlorapatite Merrillite (Whitlockite) Olivine...weathering. In 1955, therefore, to specializein meteorite mineralogy might well have beenconsideredthe refugeol |
 | | Book (edition) |
| Hig-h and low quartz IN THE MAGMA mag-ma •• Tridymite Calcite and woUastonite Action of peridotite... pressure, at all temperatures up to 870" C. tridymite between 870° and 1470° C. and cristobalite from...which ensure free movement of the molecules, both tridymite and cristobalite transform into quartz when the...unfavourable to it. Thus one can understand why tridymite and cristobalite are often found point at 1713°...unstable forms." sarily ; A. Lacroix claims that tridymite was formed, in the lavas Pelee, by crystallization |
 | | Book |
| provide an introduction to meteorite science and a handbook on meteorite classification. Insofar as I...These chapters would have been useful chiefly to meteorite researchers looking for a quick summary of group...quantitative meteorite studies declined during 1970-1973 as a result of the diversion of meteorite researchers'...efforts to the study of lunar samples. The rate of meteorite research activity is now increasing as researchers...during the past decade regarding problems of meteorite origin and classification. A complete list would |
 | | Book |
| provide an introduction to meteorite science and a handbook on meteorite classification. Insofar as I...These chapters would have been useful chiefly to meteorite researchers looking for a quick summary of group...quantitative meteorite studies declined during 1970-1973 as a result of the diversion of meteorite researchers'...efforts to the study of lunar samples. The rate of meteorite research activity is now increasing as researchers...during the past decade regarding problems of meteorite origin and classification. A complete list would |
