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GEOREF RECORD

Sulfide paragenesis in the Eastern Metals deposit, Montmagny County, Quebec

Donald William Thomas Pollock
Sulfide paragenesis in the Eastern Metals deposit, Montmagny County, Quebec
Economic Geology and the Bulletin of the Society of Economic Geologists (March 1959) 54 (2): 234-247

Abstract

The Eastern Metals deposit, Montmagny County, Quebec, is characterized by two sub-parallel zones of mineralization approximately 400 ft. apart on the surface. The Ni minerals millerite, gersdorffite, and violarite have been identified in the North zone, and chalcopyrite is the ore mineral of the South zone. Sphalerite is present in each zone. The ores are localized in zones of silicification and carbonatization along the contact between a serpentinized peridotite and slate fingers penetrating into the SW. end of the peridotite. The mineralization is postulated to have come about by the dissolving of separate pods of copper and nickel sulfides that originated during the crystallization of the peridotite. The agent responsible for the solution and deposition of the sulfides was oxidizing solutions that accompanied the intrusion of granodiorite dikes. The minerals were deposited in the alkaline environment of the silica-carbonate zone. The sphalerite was derived from the surrounding sediments by solution by the same solutions that carried the Cu and Ni.


ISSN: 0361-0128
EISSN: 1554-0774
Coden: ECGLAL
Serial Title: Economic Geology and the Bulletin of the Society of Economic Geologists
Serial Volume: 54
Serial Issue: 2
Title: Sulfide paragenesis in the Eastern Metals deposit, Montmagny County, Quebec
Pages: 234-247
Published: 195903
Text Language: English
Publisher: Economic Geology Publishing Company, Lancaster, PA, United States
Accession Number: 1959-024545
Categories: Economic geology of ore deposits
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. geol. sketch map
N46°25'00" - N47°04'60", W70°49'60" - W70°00'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States
Update Code: 1959
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