Arid
DOI10.1016/j.jaridenv.2007.03.007
The Atacama Desert: A preferential arid region for the recovery of meteorites - Find location features and strewnfield distribution patterns
Munoz, C.; Guerra, N.; Martinez-Frias, J.; Lunar, R.; Cerda, J.
通讯作者Martinez-Frias, J.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
出版年2007
卷号71期号:2页码:188-200
英文摘要

Some terrestrial areas have favorable climatic and geomorphologic features that permit the preservation and accumulation of meteorites. The Atacama Desert is among the most important ones. Sixty-two, non-paired, meteorites have been collected in different places of Atacama since the late 19th century to date. Practically all types, classes and groups of meteorites have been recovered. In this work a review of the Atacama meteorites is carried out, listing all past recoveries, determining the principal strewnfield distribution patterns and providing a general overview of the features of the find locations. Principal find locations are concentrated in the Atacama Central Depression. Most of them coincide with ancient mining industries (metallic or non-metallic) or are located near towns, rail stations, tracks or human settlements. Whatever the meteorite find location was, all meteorite samples were collected on the desert surface and normally: (1) showed more than a quarter of their body exposed; (2) underwent some sign of terrestrial weathering; (3) stone meteorites have a brownish desert-varnish on hand specimen; (4) are non-oriented pieces and (5) are commonly members of a greater mass distributed in a certain place. The distribution of find locations in Atacama Desert is not as simple as it would seem on a first approach, as Atacama salt phases (environmental conditions and mineralogical alterations) have a crucial importance on meteorites weathering. (c) 2007 Elsevier Ltd. All rights reserved.


英文关键词Chile preservation salt phases weathering
类型Review
语种英语
国家Spain ; Chile
收录类别SCI-E
WOS记录号WOS:000249090500004
WOS关键词SALAR-DE-ATACAMA ; NORTHERN CHILE ; WESTERN AUSTRALIA ; NULLARBOR REGION ; IRON-METEORITES ; CLIMATIC-CHANGE ; EARTHS SURFACE ; COLD DESERTS ; HOT ; CLASSIFICATION
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/154828
作者单位(1)NASA, Astrobiol Inst, CSIC INTA, Ctr Astrobiol,Planetary Geol Lab, Madrid, Spain;(2)Univ Catolica Norte, Dept Ciencias Geol, Antofagasta, Chile;(3)Univ Complutense Madrid, Fac Ciencias Geol, Dept Cristalograf & Mineral, Madrid, Spain
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GB/T 7714
Munoz, C.,Guerra, N.,Martinez-Frias, J.,et al. The Atacama Desert: A preferential arid region for the recovery of meteorites - Find location features and strewnfield distribution patterns[J],2007,71(2):188-200.
APA Munoz, C.,Guerra, N.,Martinez-Frias, J.,Lunar, R.,&Cerda, J..(2007).The Atacama Desert: A preferential arid region for the recovery of meteorites - Find location features and strewnfield distribution patterns.JOURNAL OF ARID ENVIRONMENTS,71(2),188-200.
MLA Munoz, C.,et al."The Atacama Desert: A preferential arid region for the recovery of meteorites - Find location features and strewnfield distribution patterns".JOURNAL OF ARID ENVIRONMENTS 71.2(2007):188-200.
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