Abstract
The possibility of magma formation due to the release of stresses in the Crust and Upper Mantle of the Earth is examined for both tensile and compressive failure. The correlation of volcanic activity with shallow and intermediate focus earthquakes is examined in the light of new experimental data on the strength of rocks, and recent theories of the thermal history of the Earth. It is found that in association with earthquakes, granitic magmas may be generated between depths of approximately 15 and 50 kilometers; basaltic magmas between 50 and 100 kilometers; while duntic magmas are unlikely to be generated in this manner.
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Uffen, R.J., Jessop, A.M. The stress release hypothesis of magma formation. Bull Volcanol 26, 57–66 (1963). https://doi.org/10.1007/BF02597274
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DOI: https://doi.org/10.1007/BF02597274