Loma Pesada

Overview

Minimum tonnage 1.105M t @ 2.13% Cu, 0.77% Zn, 0.16 g/t Au, 4.37 g/t Ag, open to SE. Massive sulfide, wedge shaped layer 4-15 m thick, dips 45?SW, 200 m strike length, open to the SE. Boninitic arc tholeiite affinity. Fore arc of primitive island arc.

Geological Context

Tectonic Setting: Bimodal-mafic in oceanic arc

Resources & Operations

Data Provenance

Source: USGS MRDS