| Title | Generalized Regional Thermal Model of an Earth's Crust of Territory of Armenia |
|---|---|
| Authors | Karine S. Vardanyan, Liana H. Hovhannisyan |
| Year | 2005 |
| Conference | World Geothermal Congress |
| Keywords | geotermia, thermal model, heat flow |
| Abstract | In the framework of the polimorph-advection hypotheses of the development of active regions (Gordienko, 1982), the generalized regional thermal model of the earth's crust and the top mantle of territory of Armenia is constructed. In the model are allocated asthenosphere (60-170km) and a layer of partial fusion (17-23km). The roof of the last is positioned on an isotherm 600 ?C, and a base is poistioned at a level of speed of 6.8 km/s. The constructed model is comparable with gravitational, magnitotelluric and seismic fields. The opportunity of introduction on the top horizons of the earth's crust (up to 3-5km) hot magmatic pH is shown. Later, the thermal model of the earth's crust has been constructed along a structure of deep seismic sounding Armash-Bavra. On a section of the structure there are sites with significant differences of thermal flux so, at a distance of 40 km the thermal stream increases from 40 mVt/m2 up to 110 mVt/m2. It once again confirms an opportunity of the presence at small depths of hot objects which can become deposits of geothermal energy. Concrete objects can be established as a result of a combination geothermal, magnitometric and gravimetric data. |