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Geologic evolution of the Atacama Basin during the Lower Cretaceous.
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Abstract
- A number of stratabound deposits occur associated with the Lower Cretaceous sequence in the Atacama region. The following are presented in detail: Punta del Cobre Cu deposit associated with the volcanic and volcanoclastic facies of the lower part of the Cretaceous sequence; Bellavista Ag-Zn deposit in the lower carbonatic facies which bears important amounts of volcanoclastic particles; and Mamina (Ba) and the Bandurrias (Fe) deposits which occur in the carbonatic-evaporitic facies with intercalated tuffs, that is characteristic for the intermediate regressive pulse of the Lower Cretaceous sequence in the Atacama region.<br />A number of stratabound deposits occur associated with the Lower Cretaceous sequence in the Atacama region. The following are presented in detail: Punta del Cobre Cu deposit associated with the volcanic and volcanoclastic facies of the lower part of the Cretaceous sequence; Bellavista Ag-Zn deposit in the lower carbonatic facies which bears important amounts of volcanoclastic particles; and Mamina (Ba) and the Bandurrias (Fe) deposits which occur in the carbonatic-evaporitic facies with intercalated tuffs, that is characteristic for the intermediate regressive pulse of the Lower Cretaceous sequence in the Atacama region.
Details
- Database :
- OAIster
- Notes :
- und
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.on1309200863
- Document Type :
- Electronic Resource