Institute for Advanced Studies in Basic Sciences
Faculty Member, Earth Sciences
Gates Cambridge Alumni, Earth Sciences
Thesis Title: Coupled tectonics, erosion and climate in the Alborz Mountains, N Iran (http://www.iasbs.ac.ir/faculty/m.rezaeian/phd.htm)
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Niels Hovius
Andy Carter Mark Allen |
About
My research!
The story:
So far, I have documented the first time thermal history and episodes of cooling phases of the erosional exhumation in the Alborz Mountains and differentiate between them combining geological observations. Using apatite fission track dating, post emplacement crystallization and tectonic exhumation have been identified as the main mechanisms govern the thermal history in the area. Quantifying the temporal and spatial development of the Alborz using thermochronological tools necessitates regional knowledge of the mountain belt deformation and erosion history was traced in stratigraphic record. In this respect, I learnt that heterochronism and the differences in intensity of exhumation are characteristic in the mountain belt result in a discontinuous rapid cooling across the range.
Constraining the timing of initial emersion of the Alborz Mountains within the Iranian Plateau, enable this to be integrated into the wider tectonic context of closure of the Neo-Tethyan sea way and evolving elevated plateau in the collisional zone. Although many studies highlight the importance of the Arabia-Eurasia collision in driving Cenozoic deformation (e.g. Berberian and King 1981), the timing of onset of exhumation driven by deformation is crucial to figure out active slip rate and total shortening and how the deformation has been accommodated episodically in a steady compressional collision zone.
I, also, have learnt that exhumation and erosion pattern on decadal- million year time scale coincides dramatically and is governed, mainly, by the intra-mountain basins position where the highly localized erosion rates and exhumation focused.
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