Original paper

Structural model for the Battle Mountain Mining District based on magnetic and gravity interpretations

Hildenbrand, T.; Berger, B.

Global Tectonics and Metallogeny Volume 8 Number 1-4 (2003), p. 71 - 77

12 references

published: Jan 1, 2003

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ArtNo. ESP136000800031, Price: 19.00 €

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At regional scales, geophysical data help elucidate the geologic framework, by delineating major fracture systems that enhance and localize permeability in the Earth's crust. The amount of geologic information derived from the potential-field data clearly increases from regional to local scales, and thus the benefits of potential-field mineral studies significantly increases with the availability of high-resolution data. The utility of high-resolution potential-field data is highlighted here in an ore-deposit study of the Battle Mountain Mining District. We demonstrate the ability of regional and high-resolution geophysical data to help focus exploration in complex geologic regimes by defining deep-crustal fracture systems or intrusive zones, possibly favorable environments for mineralization. In particular, interpreted antecedent faults lead to a structural model explaining the systematics of the mapped faults in the mining district, which is useful in defining potential exploration targets. Our main conclusion is that at local scales, structural elements defined by geophysical data help identify favorable areas for mineralization, such as interacting fractures localizing magmatic and hydrothermal systems.


magneticgravitybattle mountain mining districtenvironment