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  Experimental investigation of the role of water in impact vaporization chemistry

Gerasimov, M. V., Dikov, Y. P., Yakovlev, O. I., & Wlotzka, F. (2002). Experimental investigation of the role of water in impact vaporization chemistry. Deep-Sea Research Part II - Topical Studies in Oceanography, 49(6), 995-1009.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-9210-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-9211-0
Genre: Journal Article
Alternative Title : Deep-Sea Res. Part II-Top. Stud. Oceanogr.

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 Creators:
Gerasimov, M. V., Author
Dikov, Y. P., Author
Yakovlev, O. I., Author
Wlotzka, F.1, Author              
Affiliations:
1Cosmochemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826294              

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 Abstract: Here we present results of impact simulation experiments to investigate the role of water vapor in the chemistry of water- silicate interactions during an impact event. Experiments shows three main effects: the formation of hydrous silicate structures, the change of redox state of condensed material, and the hydration of volatile elements (particularly, enhanced formation of complex hydrocarbons). The hydration of condensed material proceeds mainly by the formation of hydrated silicate structures rather than by the formation of separate hydroxides. The hydration of condensed silicate structures results in the trapping of up to similar to10 wt% of water. Practically all major elements (except Ca) participate in bonding with (OH) groups. Synthesized hydrocarbons have a rather high degree of complexity, with mass number ranging up to 700. Only surface reactions on condensing particles during their formation can account for the hydrocarbons. (C) 2002 Elsevier Science Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 18181
ISI: 000174965000005
 Degree: -

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Title: Deep-Sea Research Part II - Topical Studies in Oceanography
  Alternative Title : Deep-Sea Res. Part II-Top. Stud. Oceanogr.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 49 (6) Sequence Number: - Start / End Page: 995 - 1009 Identifier: ISSN: 0967-0645