Geology and ore deposits of the Toqui District, Aysen, Chile

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doi: 10.2113/gsecongeo.78.6.1119
Authors:Wellmer, F. W.; Reeve, E. J.; Wentzlau, E.; Westenberger, H.
Author Affiliations:Primary:
Metallges. Aust., Melbourne, Vict., Australia
Loewen, Ondaatje, McCutcheon and Co., Canada
Volume Title:Economic Geology and the Bulletin of the Society of Economic Geologists
Source:Economic Geology and the Bulletin of the Society of Economic Geologists, 78(6), p.1119-1143. Publisher: Economic Geology Publishing Company, Lancaster, PA, United States. ISSN: 0361-0128
Publication Date:1983
Note:In English. 13 refs.; illus. incl. 3 tables, sects., geol. sketch maps
Summary:Stratiform deposits of zinc-lead-copper or zinc and zinc-lead veins. Both types of mineralization are hosted by the mainly submarine volcanic upper Coyhaique Formation of Jurassic-Cretaceous age, which has been divided into three series. The stratigraphic equivalence of mantos at Concordia (Zn-Pn-Cu), Estatus (Zn), and San Antonio (Zn-Pb-Cu) is shown by tracing sedimentary units despite changes in volcanic lithologies. The ore is of volcanogenic origin. The exhalative system, which was still active at Concordia after the deposition of the uppermost base metal sulfide zone, deposited pyrrhotite mineralization within the overlying lutite.—Modified journal abstract. [J.E.S.]
Subjects:Base metals; Copper ores; Cretaceous; Economic geology; Exhalative processes; Host rocks; Igneous rocks; Jurassic; Lead-zinc deposits; Mantos; Mesozoic; Metal ores; Mineral deposits, genesis; Polymetallic ores; Stratiform deposits; Veins; Volcanic rocks; Volcanism; Aisen Chile; Aisen del General Carlos Ibanez del Campo Chile; Chile; South America; Concordia; Coyhaique Formation; Estatuas; San Antonio; Toqui District
Coordinates:S451500 S444500 W0713000 W0723000
Abstract Numbers:84M/1481
Record ID:1983060741
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute.
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