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Open AccessArticle

Geothermal Model of the Shallow Crustal Structure across the “Mountain Front Fault” in Western Lurestan, Zagros Thrust Belt, Iran

1
Dipartimento di Scienze Pure e Applicate (DiSPeA), Università di Urbino “Carlo Bo”, Via Aurelio Saffi, 2, 61029 Urbino, Italy
2
Dipartimento di Scienze della Terra, dell’Ambiente e delle Risorse (DiSTAR), Università di Napoli “Federico II”, 80138 Napoli, Italy
3
Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione di Sismologia e Tettonofisica, 00143 Roma, Italy
*
Author to whom correspondence should be addressed.
Geosciences 2019, 9(7), 301; https://doi.org/10.3390/geosciences9070301
Received: 9 May 2019 / Revised: 5 July 2019 / Accepted: 7 July 2019 / Published: 9 July 2019
(This article belongs to the Special Issue Subsurface Thermography and the Use of Temperature in Geosciences)
The Zagros thrust belt is a zone of deformed crustal rocks well exposed along the southwest region of Iran. To obtain a better knowledge of this mountain chain, we elaborated a 2D model reproducing the thermal structure of the “Mountain Front Fault”. This study, which is focused on the Lurestan region, is based on a model made by merging published sections and available information on the depth of the Moho. We present the isotherms and the geotherms calculated using an analytical methodology. The calculation procedure includes the temperature variation due to the re-equilibrated conductive state after thrusting, frictional heating, heat flow density data, and a series of geologically derived constraints. In order to perform the temperature calculations, the crustal structure in the Lurestan region is simplified as composed of two domains: A lower unit made by crystalline basement and an upper unit including all the lithostratigraphic units forming the sedimentary cover. The resulting model is compared with the numerical results obtained by previous studies to improve the description of the thermal structure of this geologically important area. View Full-Text
Keywords: active tectonics; heat flow; thermal modeling; thermal structure; temperature profile active tectonics; heat flow; thermal modeling; thermal structure; temperature profile
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Basilici, M.; Mazzoli, S.; Megna, A.; Santini, S.; Tavani, S. Geothermal Model of the Shallow Crustal Structure across the “Mountain Front Fault” in Western Lurestan, Zagros Thrust Belt, Iran. Geosciences 2019, 9, 301.

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