The Straight showing occurs in the Telkwa Formation of the Hazelton Group. Intrusive dikes and plugs of the Upper Cretaceous Bulkley Plutonic Suite occur in the vicinity of the showings. Most of the bedrock here is coarse to fine-grained lithic crystal lapilli tuffs, red tuffaceous mudstones and feldspar porphyries though silicic tuff and crystal-lithic rhyolite-dacite were also noted. Bedding appears to have a northeast trend. The intrusive rocks are comprised of diorite, monzonitic diorite and pink granite dikes and/or plugs.

In 1986, a quartz-vein quartz breccia system trending 005 degrees dipping 60 degrees westerly was exposed. The vein was exposed in two open cuts, measuring 2 metres width, and is traceable for 30 metres before becoming lost in overburden and in the creek. Immediately north of the creek, the vein swings abruptly to a strike of 040 degrees dipping 65 degrees northwest and thins to an 80 centimetre wide quartz stockwork zone. The vein hanging wall is associated with a 1 to 2 metre wide clay gouge zone comprised of crushed quartz wall rock and pyrite. Immediately adjacent and within the vein, rocks are altered to argillic assemblages, rapidly grading into propylitic assemblages. Highest values obtained from this system are grabs of 0.52 gram per tonne gold and 5.9 grams per tonne silver; a chip sample gave 0.32 gram per tonne gold over 45 centimetres Assessment Report 16146).

See Play (093E 096) for details of the Play property work history on which the Straight showing was originally discovered. And also see the Cummins Creek Veins prospect (093E 100) for further related details of the Troitsa property, including details of a 2007 airborne geophysical survey which covered the Straight area.