The Eagle occurrence is located in the upper reaches of Eagle Creek, south of Surprise Lake, about 22 kilometres east of the community of Atlin.
The showing is underlain by Mississippian to Triassic Kedahda Formation rocks of the Cache Creek Complex. These consist of buff to grey, fine grained schistose quartzite and dark grey massive graphitic argillites. An upper Mississippian to Permian ultramafic body of the Cache Creek Complex and the contact of the Late Cretaceous Surprise Lake batholith (Surprise Lake Plutonic Suite) occur approximately 2 kilometres north of this showing.
A north trending shear zone cutting the argillite was discovered several hundred metres upstream from the confluence of Wright and Eagle creeks near the south bank of Wright Creek. This zone contained crushed quartz material and one large quartz vein ranging from 0.8 to 3.7 metres in width. Found immediately east of the vein was a deep orange weathering altered dike containing scattered flecks of a green amorphous mineral. This dike has a strike parallel to the vein-shear zone. Pyrite content seldom exceeds 1 per cent within the sedimentary rocks but may locally be as high as 5 per cent. In 1984, samples of the altered dike assayed as high as 76.46 grams per tonne silver (Assessment Report 13338). Samples of the vein-shear zone contained up to 46.63 grams per tonne silver over a width of 1.4 metres. No significant gold was obtained from the vein-shear zone.
Significant placer gold mining operations have been ongoing all along Wright Creek since the turn of the century.
In 1984, Hawthorne Gold Corporation completed a two-stage exploration program on the Eagle claim and the Margarita-Butterfly claims consisting of detailed grid soil sampling, geological mapping, rock chip sampling along with magnetometer and electromagnetic surveys. The second stage carried out exclusively on the Eagle claim consisted of additional grid soil sampling, trenching and trench sampling.
In 1997, a total of 53 rock samples were collected on the Eagle claim block on behalf of owner, J. McFarland.
