Studies of mineralized intrusive complexes in north-central Montana

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Corporate Authors:U. S. Geological Survey
Source:U. S. Geological Survey Professional Paper, No.P1301, 56p. Publisher: U. S. Geological Survey, Reston, VA, United States. ISSN: 1044-9612
Publication Date:1985
Note:In English. Individual chapters are cited separately
Summary:The three chapters of this paper discuss the genesis and hydrothermal alteration of mineralized zones (primarily gold mineralization) associated with intrusive igneous complexes of late Cretaceous-Palaeocene age. [E.P.M.]
Subjects:Cenozoic; Cretaceous; Economic geology; Hydrothermal alteration; Igneous rocks; Mesozoic; Metal ores; Metasomatism; Mineral deposits, genesis; Mineralization; Paleocene; Paleogene; Porphyry; Tertiary; Upper Cretaceous; USGS; Blaine County Montana; Chouteau County Montana; Fergus County Montana; Hill County Montana; Judith Basin County Montana; Montana; United States; Hydrothermal processes; Igneous processes; Intrusive rocks; North-central Montana
Coordinates:N463000 N483000 W1070000 W1103000
Abstract Numbers:88M/0361
Record ID:1986009815
Copyright Information:GeoRef, Copyright 2020 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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