The ARP occurrence is located approximately 5 kilometres east-southeast of Mount Carruthers (Property File - Canadian Superior Exploration Limited, Maps from Company Files, c. 1973).
The showing is hosted in Lower Jurassic Telkwa Formation (Hazelton Group) rocks. The Telkwa Formation in this area overlies the Upper Triassic Dewar Formation (Takla Group) and the Permian Asitka Group. The rocks of these two formations, together with the older Asitka Group, forms a conformable northeast dipping succession. To the south, lies the Permian to Jurassic Sitlika assemblage consisting of metamorphosed equivalents of the Asitka, Takla and Hazelton Groups (and possibly parts of the Bowser Lake Group).
The immediate area is underlain by Telkwa Formation pyroclastic and volcanic rocks with minor sedimentary rocks. The volcanics are comprised of porphyritic (plagioclase) to aphanitic basalts and andesites. Pyroclastic rocks include agglomerates, crystal tuffs and lapilli tuffs. The tuffs are interbedded with thinly bedded argillites, shales and tuffaceous shales. The Telkwa Formation is bounded to the northeast by the Pinchi fault, and the Asitka Group is bounded to the southwest by the Carruthers thrust fault. Localized faults in the area trend northeast and parallel the major faults.
Disseminated chalcocite occurs in the contact zones between andesite or dacite flows and the andesitic tuffs. The chalcocite is confined to the siliceous intercalations in the tuffs. Malachite and azurite are commonly associated with this type of mineralization.
Disseminated to massive chalcocite, bornite and minor chalcopyrite occur within chlorite, epidote, and calcite veinlets. The veinlets cut chloritized andesite tuffs intercalated with minor siltstones.
Sparse disseminations of chalcopyrite occur within quartz veins cutting massive porphyritic to aphanitic andesite. These quartz veins range from 0.25 to 5.1 centimetres (Assessment Report 5017).
Chalcocite and bornite also occur in localized shear zones. One of these shear zones, along bedding, contains a high-grade zone approximately 1.8 metres wide (Property File - Canadian Superior Exploration Limited, Maps from Company Files, c. 1973). This zone is located approximately 2 kilometres to the south of the plotted location.
In 2019, the British Columbia Geological Survey conducted a regional bedrock program in northern Hogem batholith and surrounding areas. A sample of green mudstone with malachite staining, chrysocolla, and disseminated sulphides was collected 1.4 kilometres south of the ARP occurrence. Assay analysis of the sample yielded results of greater than 10000 parts per million copper.
In 1973, SEREM Ltd. carried out reconnaissance exploration program by means of geological traverses and stream sediment sampling. A surface exploration program with geological mapping and soil sampling was conducted for 10 days. One hundred and eighty-six soils samples were collected but it was reported that the survey was not successful, due in part to local conditions such as topography. See
In 1973, SEREM Ltd. carried out reconnaissance exploration program by means of geological traverses and stream sediment sampling. A surface exploration program with geological mapping and soil sampling was conducted for 10 days. One hundred and eighty-six soils samples were collected but it was reported that the survey was not successful, due in part to local conditions such as topography.
In 1974, Serem reportedly drilled on the ARP claims (6 holes totalling 344.42 metres) and PAD claims (5 holes totaling 320.65 metres) (Geology, Exploration and Mining 1974). Beyond these references, no further details or results of this drilling are presently known.
In 2008, Amarc completed a very extensive soil sampling program, along with geological mapping and limited rock sampling on their Huge North property which covered the area of the 1973 ARP 1-10 claim group. Amarc collected 1685 soil samples and 4 rock samples. Most of the Amarc soil samples were collected east and south of the Carruthers property and ARP claims. The ARP claims and showings properly located by Amarc with a greater measure of accuracy. See Amarc's Figure 6.1 (Assessment Report 30732) which shows the ARP claims with copper anomalous areas on a good topographic base map. In 2008, Amarc collected 4 rock samples from two showings (two samples each). One sample from the eastern showing returned significant grades of 9.92 per cent copper and 60.9 grams per tonne silver (sample 869317) and one sample from the western showing returned 4.79 copper and 21.5 grams per tonne silver (sample 869316) (Assessment Report 30732).
In 2013, a total of eight rock samples were collected on the extensive Carruthers property by or for owner/operator Christopher Naas. The Carruthers 2013 Assessment Report reports that ARP grid soil sampling by SEREM in 1973 was encompassed by the Carruthers Property. Samples for Naas were collected some 275 metres west of Amarc's 2008 rock samples which graded 4.79 per cent copper. One of these 2013 Carruthers samples, from a rusty orange quartz-carbonate vein with malachite staining (X1001), graded 0.27 per cent copper, 6 ppb gold and 0.6 gram per tonne silver (Assessment Report 34368). These samples were taken near UTM 6234000N and 668750E (Figure 8, Assessment Report 34368).
See Leishman (094D 122) for related information.