Document Detail

Day et al. reply.
MedLine Citation:
PMID:  19478729     Owner:  NLM     Status:  In-Data-Review    
Replying to: R. Arculus, I. H. Campbell, S. M. McLennan & S. R. Taylor 459 10.1038/nature08077 (2009)Arculus et al. raise an important question regarding the use of terrestrial rock nomenclature to characterize extraterrestrial materials. Here the issue relates to the definition of 'andesite', and whether the felsic achondrite meteorites GRA 06128 and GRA 06129 (GRA 06128/9) can and should be classified using this term. More broadly, the question is whether extraterrestrial rocks should be classified using standard petrologic and geochemical criteria, such as mineralogy and major-element bulk composition, developed for the description of terrestrial rocks. The approach of Arculus et al. is that petrogenetic process is of equal or greater importance when classifying a rock. This question must ultimately be decided by the scientific community.
J M D Day; R D Ash; Y Liu; J J Bellucci; D Rumble Iii; W F McDonough; R J Walker; L A Taylor
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Nature     Volume:  459     ISSN:  1476-4687     ISO Abbreviation:  Nature     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-05-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0410462     Medline TA:  Nature     Country:  England    
Other Details:
Languages:  eng     Pagination:  E2     Citation Subset:  IM    
Department of Geology, University of Maryland, College Park, Maryland 20742, USA.
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