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History, Tectonic Setting, and Models for Instrusion-Related Gold Deposits in Southwestern New Brunswick, Canada: Examples from the Clarence Stream Area

M.J. McLeod^1,, D. Hoy² and K.G. Thorne³

¹ New Brunswick Department of Natural Resources, Minerals, Policy and Planning Division, P.O. Box 5040, Sussex, New Brunswick, E4E 5L2.
² Freewest Resources Canada Incorporated, 855 Field Street, Thunder Bay, Ontario, P7B 6B6.
³ New Brunswick Department of Natural Resources; Minerals, Policy and Planning Division, PO Box 6000, Fredericton, New Brunswick, E3B 5H1.

Correspondence: Corresponding Author: E-mail: malcolm.mcleod{at}gnb.ca

Throughout the Paleozoic, a variety of gold depositional environments were created in the New Brunswick segment of the northern Appalachians because of the complexity of arc and continental plate collisions and subsequent erosion of the orogen. In southwestern New Brunswick, recent exploration and research has focused on deposits and occurrences that can be broadly classified as intrusion-related, generated by late- to post-orogenic felsic to intermediate plutonic rocks emplaced during the Early to Middle Devonian. This work has led to the establishment of models for gold mineralization and guidelines for exploration in this area, which might also be applicable elsewhere in the southern part of the province and, perhaps, throughout the northern Appalachians. The deposits in the vicinity of Clarence Stream in southwestern New Brunswick exemplify this deposit type, and highlight the emergence of a possible major gold district in the region.

Key Words: Intrusion-related gold deposits • Clarence Stream • New Brunswick • Appalachians • exploration

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