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THE METEORITIC SHOWER OF PARAMBU, CEARA STATE, BRAZIL: — MINERALOGY AND PETROLOGY

 

作者: G. R. Levi‐Donati,   G. P. Sighinolfi,  

 

期刊: Meteoritics  (WILEY Available online 1974)
卷期: Volume 9, issue 1  

页码: 1-9

 

ISSN:0026-1114

 

年代: 1974

 

DOI:10.1111/j.1945-5100.1974.tb00057.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

The fall of a meteorite shower in Parambú, Ceará State, Brazil, is described. Parambú is an L‐group chondrite (Urey and Craig, 1953). The mineralogical composition is olivine Fa28. ortho‐ and clinopyroxenes, plagioclase, maskelynite, whitlockite, nickel‐iron, troilite, chromite, and ilmenite. The structure of Parambú is characteristically polymict and shows an advanced brecciation. Interesting features of metamorphism are notable, with good evidence

 

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