The North Barrington occurrence is located on the upper northern slopes of Mount Barrington, near the headwaters of Spann Creek.

The North Barrington showing area is underlain by sedimentary rocks and minor volcanic rocks of the Upper Triassic Stuhini Group which are intruded by the Limpoke pluton (Texas Creek Plutonic Suite), a two-phase stock with a biotite hornblende quartz monzonite outer phase and medium-grained hornblende monozodiorite inner phase. Leucocratic potassium feldspar megacrystic syenite dikes intrude the eastern and western borders of the pluton and surrounding Stuhini rocks.

In 1991, a sample of a 0.3 metre wide quartz vein graded 1.71 grams per tonne gold, 76.46 grams per tonne silver, 0.24 per cent copper and 0.59 per cent zinc (Sample 70623, Assessment Report 20988). Rock at a nearby sample is specified as granodiorite.

Work History

The area was originally explored by Teck Explorations and Dupont in the early 1980’s, with work centering on the Tuff and New Limpoke occurrences (MINFILE 104G 121 and 104G 024). Between 1988 and1992, Integrated Resources explored the area as the Goat and IR claims and completed programs of geochemical sampling, geophysical surveys, geological mapping and a diamond drill hole, totalling 110 metres (104G 216). In 2002, Newcastle Resources and Viceroy Resources staked the area as a part of the Target 1-4 claims and completed a prospecting program.

See Ridge (104G 024) and West (104G 210) for detailed work history information on the North Barrington area and for 2017 ASTER results.

In 2019 and 2020, Libero Copper and Gold Corp. completed programs of geological mapping; geochemical (rock, soil and talus fines) sampling; a 549 line-kilometre airborne electromagnetic (ZTEM) survey; three diamond drill holes, totalling 610.0 metres, and 24 reverse-circulation drill holes, totalling 3527.5 metres, on the area as the Big Red property.