The BL showing area is largely underlain by Lower Jurassic volcanic rocks of the Telkwa Formation, Hazelton Group. A grab sample (DH12-BL01) of epidote-chlorite altered intermediate volcanic rock (andesite) with disseminated chalcopyrite and pyrite assayed 0.26 gram per tonne gold, 7.72 grams per tonne silver and 0.45 per cent copper (Assessment Report 33948).

The BL showing was discovered in 2012 by Deer Horn Metals Inc on their Deer Horn property. For full Deer Horn property work history and regional geology, see Deer Horn (MINFILE 093E 019).