Preliminary drilling by 60-40 partners
Eight reverse-circulation holes totalling 800 metres tested geophysical and coincident surface geochemical anomalies in altered Tertiary-aged volcanic and sedimentary rocks. Both rock types are considered similar to those hosting the nearby El Sauzal gold deposit of
All but one hole passed through up to 40 metres of semi-massive-to-massive silica and bottomed in weakly altered Cretaceous andesite. Anomalous values of lead, zinc, barium and arsenic were detected in most drill cuttings, especially those from the siliceous zones. Gold and silver concentrations, however, generally fell below detection limits (the highest gold value being 0.2 gram per tonne).
The partners believe the silica zones formed along the unconformable contact between the Tertiary and Cretaceous rocks and represent a distal facies of a skarn system.
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