Eskay Creek

概述

Stratiform and discordant, massive to semi-massive bodies. Gossan at surface. 21B Zone is 900 m long, 200 m wide, 1-15 m thick. Combined with HW Zone, 109 Zone, 21C Zone, 21A Zone, Pumphouse Zone, East Block, Pathfinder Zone, NEX Zone. Bimodal. In part epithermal Au-Ag. Sb and Hg also produced as by-products. Island arc (tholeiitic). Production plus reserves to 2004 was 2.63 million t @ 0.13% Cu, 0.94% Zn, 0.48% Pb, 58 g/t Au, 2618 g/t Ag, open. Geological reserves for the 21 Zone was 4.3 million t @ 28.8 g/t Au, 1027 g/t Ag.

地质背景

构造环境: Bimodal-felsic in epicontinental arc

资源与开采

投产年份: 1995

数据溯源

数据来源: USGS MRDS