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Lozano Fernández, Rafael Pablo and Bachiller Jareño, Nuria and Casquet, César (1997) Fluidos asociados a la formación de epidota + (clorita + cuarzo) en las pegmatitas del plutón de La Cabrera (Sistema Central Español). Geogaceta, 21 . pp. 155-158. ISSN 0213-683X
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Official URL: http://www.sociedadgeologica.es/publicaciones_geogaceta.html
Abstract
Fluids related to the epidote+chlorite+quartz and calcite (+laumontite) alterations present in the
cores of pegmatites from La Cabrera pluton have been determined. Two types of fluids are in volved: a)
A low salinity (0.4-4.5 wt% NaCl equiv.) NaCl-H20 fluid is the responsable for the first type of alteration.
Temperature was probably close to 3000º b) A moderate to high salinity (15.3-24.5 wt% NaCl equiv.)
heterogeneous (liquid + gas) CaCI2-NaCI-H20 fluid was in volved in the second alteration under
conditions of Pfluid probably very close to hydrostatic. These alterations probably took place as discrete
hydrothermal events of different ages.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Pegmatites, Ca-alterations, Fluid inclusions, Spanish Central System. |
| Subjects: | Sciences > Geology > Petrology |
| ID Code: | 11550 |
| Deposited On: | 16 Nov 2010 11:38 |
| Last Modified: | 16 Nov 2010 11:38 |
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