Prospectors first staked claims on Dome Mountain in 1914 to cover several showings of gold-bearing quartz veins.

Mineralization at 9800 zone is a discordant vein which cuts stratigraphy and cleavage. Mineralization occurs as (1) foliated to massive sphalerite-galena-pyrite-chalcopyrite layers and lenses, and (2) white quartz veins and stringers with disseminated pyrite, sphalerite, and galena. Quartz and massive sulphide vein contacts with hosting shale and grey tuff are sharp. Hangingwall alteration is limited to minor quartz veining extending less than 20 centimetres into the overlying black shale. These veins are much lower grades. Structurally below the vein is a zone of white quartz stringers (stockwork). Several veins are folded and contorted. The host grey tuff is bleached and contains disseminated arsenopyrite needles, scorodite and pyrite. Sphalerite, galena and pyrite veins and patches occur locally. The stockwork zone is cut by anastomosing shear planes.

In detail, stratigraphic and structural locations of the vein varies on the north end of the present workings (Aug. 19, 1986). The vein is at a sheared, black graphitic contact of graphitic shale and fine-grained grey tuff. A fault contact is evident because bedding and cleavage are parallel in the black shale but in angular discordance with the tuff cleavage. Layering in the vein is subparallel to the fault contact. The host rock is Lower Jurassic Nilkitkwa Formation (Hazelton Group).

Noranda Exploration Corporation Limited consolidated all the claims on Dome Mountain in 1984 and conducted a program of soil geochemistry surveys, geological mapping, trenching and 33 diamond-drill holes. The 9800 zone was first discovered in 1985 by Canadian-United Minerals. The next year, Teeshin Resources completed trenching and bulk sampling on the occurrence.

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                  FIELDWORK 1986, p. 213
                TABLE 5 - 9800 ZONE ANALYSES
                   (all values in p.p.m.)
 No.     Au     Ag     Cu      Pb       Zn      Mo     Hg      As
-----  ------  ----   ----   ------   ------   ---   ------  -----
254-4  76.61   1809   7000   147000   298000   <5    11.36   18000 254-4 Massive sulphide, Dome Mt. 9800 Zone 
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In 1986, 50.8 tonnes of ore were shipped from the 9800 Showing and produced 30.17 grams per tonne gold and 771.4 grams per tonne silver.

WORK HISTORY

In 1990, Teeshin Resources Limited conducted diamond drilling of eight holes in 1990. While this work was centered on the Boulder zone, other areas explored included the Forks zone (093L 022), the Elk vein (093L 275) and the 9800 zone (093L 277).

In 2000, Guardsman Resources collected rock samples from a number of zones on Dome Mountain including: 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. A northwest trending quartz-carbonate-sulphide vein assayed up to 2.064 grams per tonne gold with associated high silver, arsenic, antimony, lead, zinc, cadmium and manganese plus moderate enrichment in copper and iron (Assessment Report 26532).

In 2008, Eagle Peak Resources collected soil sampling over a grid that covered (Dome Mountain (093L 276), Dome Mountain- Forks (093L 022) and 9800 (Dome Mountain) (093L 277). An IP survey was conducted over 22 kilometres and ground magnetic survey over 23.1 kilometres.

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