Four parallel quartz veins are exposed up to 75 centimetres wide, dipping steeply southwest or northeast. The host rock is strongly schistose (but unaltered) andesite of the Lower Jurassic Telkwa Formation (Hazelton Group). On the surface the veins contain pyrite and arsenopyrite rich bands and underground the No. 2 vein is reported to contain lenses of galena, pyrite and sphalerite.

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                       FIELDWORK 1986, pp. 201-222
                   TABLE 11 - PTARMIGAN VEIN ANALYSES
                      (all values in parts per million)
        Au   Ag    Cu    Pb    Zn  Co  Ni  Mo   Cd   Hg     As   Sb   Ba
112    1.4  <10   310   126   670  25  13   6    9  0.2   1600   <3  <10
114B 120.7   74  1200  2700  3400  11  15  10   51  2.9   4000   22  <10
116  134.7  110  1600  2100  3800  <2   7  <4   43  0.9  22500  136 1544
116B  37.7   82  1700  3000 16800   2   9  <4  192  2.0  16000  127   68
116A 159.0  257  2700 28200 16500  <2  10  20  201  2.1  55800   71   29
112 Quartz vein, Ptarmigan vein dump; 114B Quartz vein, Ptarmigan
vein dump; 116 Quartz vein, Ptarmigan vein dump; 116B Quartz vein,
Ptarmigan vein dump; 116A Quartz vein, Ptarmigan vein dump.
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Work History

In 2000, Guardsmen established a geochemical sampling grid over an area measuring 500 meters by 700 meters situated south of the Ptarmigan (093L 285), Gem (093L 285) and Eagle (093L 284) vein area. Soils were also collected over the Jane showing grid, the Telkwa showing grid and the North Betty Creek showing grid. A total of 388 soil samples were taken 112 rock samples, 29 stream silt samples were collected. The soil sampling program showed strong gold anomalies over the three known veins, Ptarmigan, Eagle and Gem. There were also two strong linear gold geochemical anomalies parallel to the known veins. The gold soil geochemical anomalies have strike lengths of 400 to 700 meters and are open to the northwest and southeast. The northwest trending Gem - Ptarmigan veins are typically 30 to 60 centimetres in thickness and are hosted by sheared and altered andesitic tuffs of the Hazelton Formation. Zones sampled included: Gem (093L 285), Raven (093L 281), Ptarmigan (093L 283), Jane and Chisholm (093L 279), Hawk (093L 282), Cabin (093L 275), 9800 (093L 277), Forks (093L 022), Marjorie, Old Trench, Telkwa, North Betty and Creek. In 2000, the northwest trending quartz-sulphide Ptarmigan vein yielded from 7.6 to 75 grams per tonne gold along with associated high arsenic, lead, zinc and iron and moderate enrichment in silver, antimony, bismuth and copper (Assessment Report 26532).

Refer to Dome Mountain (Boulder vein) (093L 276) for related details and a complete Dome Mountain property work history.