Constraints on the genesis of Au veins in interior Alaska: Evidence from geochronology and vein textures

Douglas C. Kreiner; William Thompson; Jonathan Saul Caine; Ashleigh Ball; Christopher S. Holm-Denoma; Paul O’Sullivan; Holly J. Stein

Constraints on the genesis of Au veins in interior Alaska: Evidence from geochronology and vein textures

By: Douglas C. Kreiner, William Thompson, Jonathan Saul Caine, Ashleigh Ball, Christopher S. Holm-Denoma, Paul O’Sullivan, and Holly J. Stein

Metrics

Web analytics dashboard Metrics definitions

Links

The Publications Warehouse does not have links to digital versions of this publication at this time
Download citation as: RIS | Dublin Core

Abstract

The origin of Au-bearing, low sulfide quartz veins in the Pogo and Tibbs Creek regions of interior Alaska remain enigmatic. Intrusion-related Au and mesozonal orogenic vein models have both been proposed (Thompson and Newberry, 2000; Rhys et al., 2003; Goldfarb et al., 2022; Dilworth et al., 2007). To date, studies of igneous geochronology and metamorphic timing have shown that gold veins formed between intervals of magmatism and post-date regional metamorphic fabrics. Relatively little description of detailed mineralogy, vein textures, and absolute timing of mineralization exist – resulting in new questions about the deposit origin. This study attempts to relate these parameters through investigation of new U-Pb crystallization and Re-Os mineralization ages combined with detailed descriptions of vein textures to constrain the origin of the veins.

Suggested Citation

Kreiner, D.C., Thompson, W., Caine, J., Ball, A., Holm-Denoma, C., O’Sullivan, P., Stein, H.J., 2023, Constraints on the genesis of Au veins in interior Alaska: Evidence from geochronology and vein textures, in Proceedings of SGA 2023: Mineral resources in a changing world, v. 3, Zürich, Switzerland, August 29-September 1, 2023, p. 80-83.

Study Area

Additional publication details
Publication type	Conference Paper
Publication Subtype	Conference Paper
Title	Constraints on the genesis of Au veins in interior Alaska: Evidence from geochronology and vein textures
Volume	3
Year Published	2023
Language	English
Publisher	Society for Geology Applied to Mineral Deposits
Contributing office(s)	Alaska Science Center Geology Minerals
Description	4 p.
Larger Work Type	Book
Larger Work Subtype	Conference publication
Larger Work Title	Proceedings of SGA 2023: Mineral resources in a changing world
First page	80
Last page	83
Conference Title	SGA 2023: Mineral Resources in a Changing World
Conference Location	Zürich, Switzerland
Conference Date	August 29-September 1, 2023
Country	United States
State	Alaska