Thermal state of continental and oceanic lithosphere

Update Item Information
Title Thermal state of continental and oceanic lithosphere
Publication Type dissertation
School or College College of Mines & Earth Sciences
Department Geology & Geophysics
Author Hasterok, Derrick P
Date 2010
Description The thermal state of the continental and oceanic lithosphere is reassessed on the basis of new databases for global heat flow and lithospheric heat production, recent advances in thermophysical properties measurements of minerals at high pressures and temperatures, and a better understanding of convective heat loss in young seafloor. The updated global heat flow database incorporates >60,000 records with >44,800 heat flow determinations. The update significantly increases the quantity and spatial coverage of global heat flow data since the last update in 1993. A new family of continental geotherms is proposed that is parametric in surface heat flow and takes advantage of thermophysical property data. The range of geotherms is constrained by xenolith P-T estimates; a cratonic geotherm consistent with a surface heat flow of 40 mW/m2 is particularly well constrained. Upper crustal heat production represents ?26% of the total surface heat flow. Average heat production for the continental lower crust and mantle are 0.4 ?W/m3 and 0.02 ?W/m3, respectively.
Type Text
Publisher University of Utah
Subject Continental lithosphere; Geotherm; Heat flow; Oceanic lithosphere; Radioactivity; Thermal conductivity
Dissertation Institution University of Utah
Dissertation Name PhD
Language eng
Rights Management ©Derrick P. Hasterok
Format application/pdf
Format Medium application/pdf
Format Extent 9,976,381 bytes
ARK ark:/87278/s6k07jzm
Setname ir_etd
ID 193998
Reference URL https://collections.lib.utah.edu/ark:/87278/s6k07jzm
Back to Search Results