Conduction model for the thermal evolution of the Cupsuptic aureole, Maine

J. R. Bowers, D. M. Kerrick, Kevin Patrick Furlong

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Two-dimensional and three-dimensional finite difference conduction cooling models incorporating realistic pluton geometries, endothermic metamorphic reactions, and non-linear release of latent heat of magma crystallization were applied to the Cupsuptic pluton in Maine. The excellent agreement between the patterns of maximum temperature isotherms in the model and the spatial locations of the biotite, andalusite, and sillimanite isograds in the Cupsuptic aureole suggest intrusion cooling dominated by conduction. Assuming a discoid shape of the pluton, the agreement between isotherms in the model and isograds in the aureole is favorable with a pluton thickness of 4 km. With an ambient country rock temperature of 350°C, an initial intrusion temperature of 950°C is constrained by geothermometry in the aureole. -Authors

Original languageEnglish (US)
Pages (from-to)644-665
Number of pages22
JournalAmerican Journal of Science
Volume290
Issue number6
DOIs
StatePublished - Jan 1 1990

Fingerprint

aureole
thermal evolution
pluton
isotherm
cooling
geothermometry
andalusite
temperature
sillimanite
country rock
biotite
crystallization
magma
geometry

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

Cite this

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abstract = "Two-dimensional and three-dimensional finite difference conduction cooling models incorporating realistic pluton geometries, endothermic metamorphic reactions, and non-linear release of latent heat of magma crystallization were applied to the Cupsuptic pluton in Maine. The excellent agreement between the patterns of maximum temperature isotherms in the model and the spatial locations of the biotite, andalusite, and sillimanite isograds in the Cupsuptic aureole suggest intrusion cooling dominated by conduction. Assuming a discoid shape of the pluton, the agreement between isotherms in the model and isograds in the aureole is favorable with a pluton thickness of 4 km. With an ambient country rock temperature of 350°C, an initial intrusion temperature of 950°C is constrained by geothermometry in the aureole. -Authors",
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Conduction model for the thermal evolution of the Cupsuptic aureole, Maine. / Bowers, J. R.; Kerrick, D. M.; Furlong, Kevin Patrick.

In: American Journal of Science, Vol. 290, No. 6, 01.01.1990, p. 644-665.

Research output: Contribution to journalArticle

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AU - Furlong, Kevin Patrick

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