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Structural control and hydrothermal alteration pattern of Chaucha Porphyry Copper, Ecuador / P.J. Geossens.

By: Geossens, P.J [autor].
Contributor(s): Hollister, F.
Material type: TextTextBerlín : Springer - Verlag, 1973Description: 11 hojas : ilustraciones ; 23 cm.Subject(s): Cobre | Ecuador | Chaucha | Alteración hidrotermalOther classification: PUBE-GO-197302-57 Scope and content: The intrusives and associated volcanic activity, the hydrothermal alteration pattern, and mineralization of the Chaucha porphyry copper deposit appear to be strongly controlled by the intersection of two major structures: the Chaucha fault and the Cordillera fault. Stockwork development and dynamic foliation of the intrusives and surrounding rocks respond to the same control. The fault movements affect the diorite and granodiorite intrusions and largely predate the mineralization and the quartz monzonite intrusion. The lithologies and peculiar geological setting favor a volcanic origin of the Chaucha porphyry copper. Using structural relations and other geological criteria, the Chaucha porphyry copper is tentatively placed in the plate tectonic model.
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Item type Current location Call number Copy number Status Date due Barcode Item holds
Material de apoyo Material de apoyo BIBLIOTECA DE ING. DE GEOLOGIA Y PETROLEOS
PUBE-GO- 197302-57 (Browse shelf) Ej. 1 Available 152545
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Incluye refencias bibliográficas. Mineralium deposita (Berl) 8, páginas 321-331 (1973)

The intrusives and associated volcanic activity, the hydrothermal alteration pattern, and mineralization of the Chaucha porphyry copper deposit appear to be strongly controlled by the intersection of two major structures: the Chaucha fault and the Cordillera fault. Stockwork development and dynamic foliation of the intrusives and surrounding rocks respond to the same control. The fault movements affect the diorite and granodiorite intrusions and largely predate the mineralization and the quartz monzonite intrusion. The lithologies and peculiar geological setting favor a volcanic origin of the Chaucha porphyry copper. Using structural relations and other geological criteria, the Chaucha porphyry copper is tentatively placed in the plate tectonic model.

Facultad de Geología y Petróleos Donación 2014/07/08 Ej. 1 BIGP 26662 $ 1.00

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