Preliminary assessment of porphyry copper deposits in the Sierra Maestra, Cuba

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The U.S. Geological Survey’s “three-step” form of mineral-resource assessment was used to obtain a preliminary estimate of copper resources in undiscovered porphyry deposits of the Paleogene Sierra Maestra Arc. Results of this preliminary assessment suggest that a mean of 3.2 undiscovered deposits are likely present. This estimate is comparable to results from an independently-derived porphyry deposit density model, which points to 3.9 undiscovered deposits. Monte Carlo simulation results further show that the mean estimate of undiscovered copper resources in this porphyry copper tract is in the order of 12 million metric tons. Notwithstanding having been a relatively short-lived (20-25 Ma) magmatic event, the Sierra Maestra Arc was a particularly favorable environment for the formation of porphyry copper deposits.

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Publication type Conference Paper
Publication Subtype Conference Paper
Title Preliminary assessment of porphyry copper deposits in the Sierra Maestra, Cuba
Year Published 2017
Language English
Publisher VII Convención de Ciencias de la Tierra (GEOCIENCIAS2017)
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 5 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title GEOCIENCIAS 2017 Proceedings volume "Memorias, Trabajos y Resumenes"
Conference Title Convención de Ciencias de la Tierra (GEOCIENCIAS 2017)
Conference Location La Habana, Cuba
Conference Date April 3-7, 2017
Country Cuba
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