Sanchez, V., Stuart, F., Martin-Crespo, T., Vindel, E., Corbella, M. and Cardellach, E. (2010) Helium isotopic ratios in fluid inclusions from fluorite-rich Mississippi Valley - Type district of Asturias, northern Spain. Geochemical Journal, 44, e1-e4.
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Publisher's URL: http://www.terrapub.co.jp/journals/GJ/abstract/4401/440100e1.html
Abstract
Helium isotopes have been measured in fluorite and sulphides from fluorite-rich Mississippi Valley-type (MVT) deposits from Asturias, Spain, in order to assess the involvement of mantle and crust-derived volatiles in the genesis of the deposits. The 3He/4He of the ore fluids are ≤0.1 Ra ruling out a contribution of mantle-derived magmatic helium in the inclusion fluids. Data support a crustal source for the volatiles and is consistent with the existing basinal model for the genesis of the Asturias MVT mineralization by mixing of sedimentary brines with infiltrating superficial fluids.
| Item Type: | Articles |
|---|---|
| Keywords: | fluorite; noble gases; helium isotopes; fluid inclusions; Asturias; MTV deposits |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Stuart, Professor Fin |
| Authors: | Sanchez, V., Stuart, F., Martin-Crespo, T., Vindel, E., Corbella, M., and Cardellach, E. |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences |
| College/School: | College of Science and Engineering > Scottish Universities Environmental Research Centre |
| Journal Name: | Geochemical Journal |
| Publisher: | Terrapub |
| ISSN: | 0016-7002 |
| Published Online: | 04 February 2010 |
| Related URLs: |
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