Trigg Minerals (ASX:TMG) said it secured and completed a detailed review of historical exploration data at the Tennessee Mountain project in Nevada, which confirmed high-grade tungsten potential and supports the prospectivity for a bulk-tonnage skarn system along the intrusive-carbonate contact, according to a Tuesday Australian bourse filing.

Reported historical intercepts likely represent minimum true widths of broader, untested halos because the sampling, guided by ultraviolet scheelite fluorescence, selectively targeted visible mineralization and often began and ended within mineralized zones, per the filing.

A field program, scheduled for September, will locate and verify historical landmarks, including drill collars and trenches, accompanied by systematic surface mapping and channel sampling across the known mineralized outcrops.

The firm's shares fell 1% in recent trading on Tuesday.