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Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis
Abstract The zircon fission-track dating method was
The zircon fission-track dating method was applied to the VC-2B core obtained from the active hydrothermal system at Sulphur Springs, Valles caldera, New Mexico. Four samples were analyzed to obtain both zircon ages and track length data from Permian strata to Precambrian quartz monzonite, the present temperatures of which are from 222 to 294°C. Zircon ages obtained from the deeper three samples indicate partially annealed ages of about 450-600 Ma. Thus, zircons from Permian strata probably originated from Precambrian rocks. Contrary to the normal relationship between FT ages and temperatures of the sampling points, non-correlation between them is probably due to hot fluid flow and/or hot vein emplacement associated with recent volcanic activity. Zircon ages of the shallowest sample were much younger than the Permian, the reason for which is unknown. The closure temperature of the zircon fission-track dating method seems to be higher than that previously determined from geological data.
reviously determined from geological data.  +
Author Hisatoshi Ito  + , Kazuhiro Tanaka  +
Citation Hisatoshi Ito,Kazuhiro Tanaka. 1995. [[Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis]]. Journal of volcanology and geothermal research. 67(1):153-160.  +
Document type Journal Article  +
Foaf/Page http://www.sciencedirect.com/science/article/pii/037702739400095X  +
Link http://www.sciencedirect.com/science/article/pii/037702739400095X  +
Name Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis  +
PublicationDate 1995  +
Publisher Journal of volcanology and geothermal research  +
ReferenceGenre Geothermal  +
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Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis + , Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis + , Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis + , Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis + , Insights On The Thermal History Of The Valles Caldera, New Mexico- Evidence From Zircon Fission-Track Analysis +
Categories Reference Materials , References , Geothermal References
Modification date
"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
15:06:39, 22 May 2014  +
hide properties that link here 
Fenton Hill HDR Geothermal Area + , Valles Caldera - Redondo Geothermal Area + , Valles Caldera - Sulphur Springs Geothermal Area + ReferenceForItoTanaka1995
Core Analysis At Valles Caldera - Sulphur Springs Geothermal Area (Ito & Tanaka, 1995) + , Isotopic Analysis- Rock At Valles Caldera - Sulphur Springs Area (Ito & Tanaka, 1995) + , Isotopic Analysis- Rock At Valles Caldera - Sulphur Springs Geothermal Area (Ito & Tanaka, 1995) + Reference material
 
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