The Don area is underlain by Upper Paleozoic Stikine Assemblage rocks consisting of argillites, shales, cherty and calcareous sediments, areas of limestone and volcanic and volcaniclastic rocks. To the southeast, the Newmont fault separates Stikine rocks from the Late Devonian Forrest Kerr pluton, related to the McLymont Plutonic Suite.

Feldspar porphyry diorite intrusion and mineralization occurs along a contact with limestone. Disseminated pyrite, tetrahedrite, and chalcopyrite occur in skarned rocks. No assays are available.

In 1988, Kestrel Resources collected 2 metre chip that contained a calcite veins carrying bornite and chalcopyrite assayed 1.23 grams per tonne gold and 5.3 grams per tonne silver (Assessment Report 18450).

Newmont Mining Corporation held the Don claims in the area in the early 1960s. A ground magnetic (24.5 kilometres) and EM survey (86.4 kilometres) was conducted in 1962 as a follow-up the discovering of mineralized showing in previous years.

In 1988, Kestrel Resources Ltd conducted a preliminary program of prospecting, sampling and geological mapping on Tic 2-5 mineral claims. A total of 119 rock chip samples and 22 silt samples were collected. Kestrel’s 1990 program was designed to fill in certain gaps in geochemical sampling programs completed in 1988 and 1989. During 1990, 26 rock chip samples were collected. The 1989 documenting report was not found.

See Northwest (104B 281) for details of work after the amalgamation of tenures by Romios Gold Resources Inc in the 2000s, when airborne geophysics was done over significant land areas and some work was done on specific targets.