Geology / Mineralization

La Virginia is situated in basin and range topography, the uplifted rocks of the escarpment expose intermediate volcanics, andesites, of the Lower Volcanic Sequence, common within the Sierra Madre. Rhyolite tuffs of the upper Volcanic Sequence cap some of the mountains in the target area, increasing frequency and thickness to the east.

Mineralization is characterized by epithermal style gold-silver in quartz stockworks, veins and hydrothermal breccias controlled by regional north-northwest trending structures. Veining/silicification is typically found within Lower Volcanic Sequence intermediate volcanics as well as dacite (to rhyodacite) dykes. The dykes pre-date mineralization and exploit the same regional structures, often forming low, relatively erosion resistant ridges which are conspicuous and extensive. Gold-silver mineralization is controlled by the north-northwest regional trend and anomalous geochemical results have been returned from these structures south to north for the length of the property.

Historical mining activities in the core claims, evidenced by several underground workings, are developed on zones of increased silica alteration and veining. The largest historical workings, “La Virginia” and “Con Virginia” are still accessible and host mineralization ranging between one metre to greater than twenty metres in thickness.

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