Hydrothermal Sr exchange at the contact of the Dumbarton Rock basalt
- 1 March 1983
- journal article
- Published by Geological Society of London in Scottish Journal of Geology
- Vol. 19 (1) , 81-86
- https://doi.org/10.1144/sjg19010081
Abstract
Synopsis: The margin of the Dumbarton Rock basalt was contaminated by sedimentary Sr with a high 87 Sr/ 86 Sr ratio. This was probably introduced by hydrothermal fluids in a process of fluid–rock Sr exchange. Fluids followed a preferred path just inside the contact where permeability was increased by cooling joints.Keywords
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