Conference Proceedings
PACRIM 2019
Conference Proceedings
PACRIM 2019
Gold mineralization and its relation to intrusive rocks at the Hogatza mine camp, Alaska
The Hogatza Mine Camp, or Hog River Mine, on the east flank of the Zane Hills, northwestern Alaska, has produced more than 500,000 ounces of placer gold, yet little is known about lode gold sources and mineralization in the area (Fig. 1). The gold placers occur down valley from two distinctly different intrusive suites, including the Zane Hills pluton (ZHP) and the Spruce Knob alkaline dike complex (SKADC). Numerous lode gold prospects are associated with the margins of both intrusive suites (Fig. 2), however, the relative contributions towards the placer gold endowment are not known. Multiple lode sources are suggested by placer gold surface textures which range from typical smooth and stream-worn, to delicate crystalline and presumably near-source (Fig. 3). Furthermore, microprobe analysis of placer gold samples reveals the presence of distinct trace element geochemistry in different areas. CITATION: Adams, D D, Kukowski, R, Birch, J, Greenfield, K, Miller, D and Goldfarb, R, 2019. Gold mineralization and its relation to intrusive rocks at the Hogatza mine camp, Alaska, in Proceedings PACRIM 2019, pp 155157 (The Australasian Institute of Mining and Metallurgy: Melbourne).
Contributor(s):
D D Adams, R Kukowski, J Birch, K Greenfield, D Miller, R Goldfarb
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- Published: 2019
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- Unique ID: P201901044