Lees's topographic correction in heat flow and the geothermal flux in Tasmania |
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| Authors: | J C Jaeger J H Sass |
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| Institution: | (1) Department of Geophysics, Australian National University, Canberra |
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| Abstract: | Summary
Lees's topographic correction for a simple idealized hill is discussed and extended to a monoclinal structure. It is valuable as giving very simply the order of magnitude of the correction. A number of new measurements of temperature in Tasmanian boreholes has been made and the previous rather high value of over 2 cal/cm2 sec for the heat flux has been confirmed. The variation of thermal conductivity through the thickness of a differentiated tholeiite sheet has been measured and found to be in reasonably good agreement with values calculated from chemical and modal analyses. |
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