Kutcho Creek

Overview

Dissemination, massive. 3 en echelon lenses: Kutcho, Sumac West, and Esso West. Conformable to bedding, Kutcho has 1400 m length, 27 m thickness and crops out on surface. U-Pb age 244-246. Upper footwall is cut by pyrite-quartz veins which are now thought to be tectonically flattened stockwork veins. Fore-arc oceanic basin adjacent to primitive tholeiitic island arc (alkaline arc magmas).

Geological Context

Host Rock: Felsic volcanic rocks (Late Permian-Early Triassic)

Tectonic Setting: Bimodal-mafic in epicontinental arc

Resources & Operations

Operator: Kutcho Copper

Data Provenance

Source: USGS MRDS | coordinate: Mindat