The Hat occurrence is located about 7.3 kilometres east of the summit of Mount Conroy approximately 40 kilometres north-northwest of Terrace.
Regionally, the area is underlain by Jurassic to Cretaceous Bowser Lake Group sediments which have been intruded by granodiorite and diorite of the Cretaceous to Tertiary Coast Plutonic Complex. The sediments consist of a northeast striking, southeast dipping sequence of banded siltstone, shale, argillite and minor conglomerate, sandstone and tuff.
Locally, a multiphase stock of primarily diorite composition contains a series of stacked northwest dipping, shear-hosted, quartz veins, referred to as the Hat (5000, 4700 [Lower and Upper Hat], TTT and Trango) veins, hosting arsenopyrite, galena, chalcopyrite, sphalerite and pyrite mineralization associated with iron carbonate alteration halos up to 4 metres in thickness. The veins have been traced along strike for up to 350 metres and range in thickness from 0.15 to 2.50 metres. The shear zones are generally flat lying and are structurally repeated on a scale of approximately 50 metres, over a thickness of 300 metres. The multiphase stock is primarily fine to to medium-grained diorite with hornblende diorite and occasional coarse gabbro. Rhyolite dikes cut the stock, while surrounding sediments are limonite stained.
Massive arsenopyrite-chalcopyrite veins and quartz-scheelite veins are also reported in the area, while other groups of mineralized veins are reported to occur approximately 450 metres to the east- southeast and 1000 metres to the northeast.
The 4700 (Lower and Upper Hat) vein is located at an elevation of approximately 1430 metres and is reported to be well exposed for approximately 30 metres before being covered by talus. The vein re-appears 100 metres to north before being covered again, while to the south the vein is represented by a shear zone with another vein occurring 100 metres higher and 200 metres to the southeast. The vein strikes north 60 degrees west and dips 70 degrees northeast and varies from 0.3 to 1.0 metre in width. The vein is comprised of generally 80 per cent quartz-ankerite with 20 per cent sulphides (sphalerite, chalcopyrite and occasional bornite) and xenoliths of wall rock and is banded with alternating quartz and arsenopyrite layers with included wall rock. To the north and below the 4700 vein a silicified and anchoritic stockwork zone several tens of metres in size is reported.
The 5000 vein is located south of the 4700 vein at an elevation of approximately 1525 metres in a col or saddle. The vein strikes north 10 degrees west, dips 50 degrees west and is up to 1.75 metres wide. The vein is deeply weathered and limonite stained and occurs along the contact between a granodiorite and siltstone, with the siltstone forming the footwall.
The TTT vein is located just north of the Hat veins at an elevation of approximately 1400 metres. The vein is approximately 0.2 to 0.5-metre wide and is comprised of massive arsenopyrite with minor quartz and fine-grained chalcopyrite along fractures and grain boundaries. The vein is poorly exposed in sub-crop at surface but is believed to have been intersected at the bottom of drill hole KM05001.
The Tango vein is located north-northeast of the TTT vein at an elevation of approximately 1300 meters.
Work History
Don Young and Peter Ogryzlo staked the KM and Drum claims in 1979. Reconnaissance prospecting and following float and stream sediment dispersion trains led to the discovery and acquisition of the Hat and Flare claims in 1980. The first recorded assessment work on the Hat showing area is 1981. The property owners undertook stream sediment sampling, prospecting, and geological mapping. Detailed sampling was conducted on the projection of the Chris (MINFILE 103I 174) vein mineralization onto the KM9 claim, and on the Drum arsenopyrite showing. A total of 40 stream sediment samples, 15 soil samples and 10 rock chip samples were collected.
The last recorded work on the property was conducted by the owners during the 1982 field season. A total of 16 float samples, 19 grab samples, 11 chip samples and one stream sediment sample were collected. Samples from the Hat vein assayed up to 41.1 grams per tonne gold and 9587.8 grams per tonne silver (Assessment Report 10821).
The Full and Moon claims were staked in 1986 by Don Young and Peter Ogryzlo to cover mineralized quartz veins discovered approximately 3 kilometers southwest of the CHRIS (MINFILE 103I 174) occurrence, in the Hat area. Exploration work over the following two years traced the veins by following up on stream-sediment geochemical anomalies and quartz float dispersion trains. Over thirty veins were noted associated with the diorite stock, fifteen of which had significant precious metal values, including the 5000, 4700 and Pick veins. Chip sampling of the 5000 and 4700 veins were reported to have yielded up to 6.1 and 7.3 grams per tonne gold with 17.3 and 1077 grams per tonne silver across 1 and 0.45 metre, respectively (Daignault, P.M., Sharp, R.J. (2007-12-27): 2007 Exploration and Geological Report for the Kalum Property). Four other, un-named veins were also discovered and sampled during this time yielded from 0.7 to 5.7 grams per tonne gold with 345.3 to 429.6 grams per tonne silver (Daignault, P.M., Sharp, R.J. (2007-12-27): 2007 Exploration and Geological Report for the Kalum Property).
In 2003, Eagle Plains Resources Ltd. had acquired the 500-unit Kalum property to cover the Allard stock, a 4 by 11 kilometre intrusion that has been mapped west of Kitsumkalum Lake. The Kalum property encompasses several historically documented occurrences referred to in their 2003 Assessment Report 27417: Kalum (103I 019), Burn (103I 211), Quartz Silver (103I 018), Allard (103I 151), Misty (103I 213), Chris (103I 174), Martin (103I 020) and Hat (103I 173). This work indicated that the Full and Moon (5000 and 4700) were likely the same structure later identified as the Hat vein(s), along with several new veins being identified.
In 2004, Eagle Plains Resources Ltd. continued exploration for an intrusion-related gold deposit on its Kalum property. The program comprised a 1500-line kilometre airborne geophysical survey, on-the-ground evaluation of targets and the drilling of 19 holes, totalling 1958 metres. The geophysical survey recovered magnetic and time-domain electromagnetic data.
In 2005, Eagle Plains Resources completed a program of soil, silt and rock sampling, geological mapping and three diamond drill holes, totalling 568.75 metres, on the area. A 100-centimetre-long channel sample (JCKMV017) from the Hat veins assayed 28.5 grams per tonne gold, 24 grams per tonne silver and 0.85 per cent zinc, while grab samples from the TTT and Upper Hat veins assayed 12.2 grams per tonne gold and 9.9 grams per tonne gold with 1500 grams per tonne silver, respectively (Daignault, P.M., Sharp, R.J. (2007-12-27): 2007 Exploration and Geological Report for the Kalum Property).
Diamond drilling, performed at this time, yielded intercepts of up to 2.2 grams per tonne gold over 0.5 metre at 197.87 metres down hole in hole KM05002 from a massive arsenopyrite vein thought to be the TTT vein and 0.4 gram per tonne gold over 2.8 metres in hole KM05001 from a shear zone thought to be related to the Hat zone (Daignault, P.M., Sharp, R.J. (2007-12-27): 2007 Exploration and Geological Report for the Kalum Property).
In 2007, Mountain Capital Inc. optioned the property and in 2008 undertook a program of soil and rock sampling, a 4.1 line-kilometre induced polarization survey and 11 diamond drill holes on the Burn (MINFILE 103I 211) occurrence area. The option was terminated in May of 2009.
In 2009, Windstorm Resources Inc. entered into a Letter of Intent with Eagle Plains to earn a 60 per cent interest in the property and completed a program of prospecting, geochemical sampling and an induced polarization survey on the area. A grab sample (AHKMR036) of iron and quartz matrix breccia from the Lower Hat zone yielded 4.81 grams per tonne gold (Murton, J.W. (2009-11-20): 2009 Exploration and Geological Report for the Kalum Property).
In 2010, a program of geological mapping and six diamond drill holes, totalling 419.11 metres, were completed on the Tuppie-Cirque (MINFILE 103I 228) occurrence.
In early 2012, Clemson Resources Corp. entered into an Option Agreement with Eagle Plains Resources to acquire a 60 per cent interest in the property.
In 2020, Rex Resources completed a 247 line-kilometre airborne magnetic and radiometric geophysical survey on the area as the Kalum property.
