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THE LAHRAULI UREILITE

N. Bhandari, Vikaskumar G. Shah, A. L. Graham

Open publisher page 11 citations

Abstract

A meteorite which fell at Lahrauli, district Basti, U.P. (India) in 1955 has been examined for mineralogical, chemical and cosmogenic characteristics. It contains pigeonite Wo7.7Fs18 (with Cr2O3 = 1.2% and Al2O3 = 0.4%), olivine Fo79 (with CaO = 0.3% and Cr2O3 = 0.7%) and diamond. The basic similarities of this meteorite to Goalpara, Dyalpur, Havero and Novo Urei indicate that it is a ureilite. Cosmic ray tracks have been measured in the olivine and pyroxene grains. Track density of 2.3 × 106 per cm2 in olivines and VVH/VH ratio of 10−3 is similar to that observed in other meteorites.

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What this paper is about

A meteorite which fell at Lahrauli, district Basti, U.P. (India) in 1955 has been examined for mineralogical, chemical and cosmogenic characteristics. It contains pigeonite Wo7.7Fs18 (with Cr2O3 = 1.2% and Al2O3 = 0.4%), olivine Fo79 (with CaO = 0.3% and Cr2O3 = 0.7%) and diamond. The basic similarities of this meteorite to Goalpara, Dyalpur, Havero and Novo Urei indicate that it is a ureilite. Cosmic ray tracks have been measured in the olivine and pyroxene grains. Track density of 2.3 × 106 per cm2 in olivines and VVH/VH ratio of 10−3 is similar to that observed in other meteorites.

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Available abstract

A meteorite which fell at Lahrauli, district Basti, U.P. (India) in 1955 has been examined for mineralogical, chemical and cosmogenic characteristics. It contains pigeonite Wo7.7Fs18 (with Cr2O3 = 1.2% and Al2O3 = 0.4%), olivine Fo79 (with CaO = 0.3% and Cr2O3 = 0.7%) and diamond. The basic similarities of this meteorite to Goalpara, Dyalpur, Havero and Novo Urei indicate that it is a ureilite. Cosmic ray tracks have been measured in the olivine and pyroxene grains. Track density of 2.3 × 106 per cm2 in olivines and VVH/VH ratio of 10−3 is similar to that observed in other meteorites.

Key concepts: Pigeonite, Meteorite, Olivine, Pyroxene, Geology, Parent body, Allende meteorite, Geochemistry

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