Encyclopedia of Scientific Dating Methods

Living Edition
| Editors: W. Jack Rink, Jeroen Thompson

Rubidium–Strontium Dating, Hydrothermal Events

Living reference work entry
DOI: https://doi.org/10.1007/978-94-007-6326-5_252-1

Definition

Dating hydrothermal events related to the formation of ore deposits by the Rb–Sr dating method

Historical Background

Dating of a hydrothermal event related to ore formation was conducted initially by dating the granite that was regarded as the heat source for the hydrothermal activity and assuming that ore deposition occurred contemporaneously with emplacement of the granite. Indirect dating of alteration minerals such as sericite using K–Ar, Ar–Ar, and Rb–Sr methods was also attempted. Results from these studies, however, have been problematic because of (1) complex associations between ore and alteration minerals and (2) possible multiple hydrothermal events, which can reset chronological information. Gangue minerals can be used as more direct targets of dating. Shepherd and Darbyshire (1981) obtained the Rb–Sr age of 392 ± 5 Myr from fluid inclusions in quartz from the Carrock Fell tungsten vein deposits, northern England. However, the cause of the large variable Rb–Sr...

Keywords

Fluid Inclusion Gold Deposit Sulfide Mineral Hydrothermal Event Disseminate Gold Deposit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Bibliography

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Earthquake Research InstituteThe University of TokyoBunkyo-ku, TokyoJapan