Why is Geothermal Energy being explored in Australia?
The Proterozoic granite rocks which
dominate the geology of South
Australia have been found to
generate significantly more heat
than other similar Proterozoic rocks
elsewhere in the world. Data from
deep bore holes have defined an
area of South Australian crust which
is twice as hot as typical Proterozoic
crust. This area of elevated heat flow
is known as the South Australian Heat
Flow Anomaly or SAHFA.
As a result of the SAHFA the
majority of EGS exploration is based
in South Australia, with around 17
companies holding Geothermal
Exploration Licences (GEL).
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