This Poke occurrence is related to the marginal phase of a large Early Jurassic stock (Limpoke Pluton) of the Texas Creek Plutonic Suite that cuts Upper Triassic volcanics of the Stuhini Group. The plutonics and volcanics have both undergone intense potassium metasomatism near contacts, with formation of biotite and potassium feldspar. The marginal phases of the intrusion are complex and show evidence of multiple intrusion.
Chalcopyrite is observed, dispersed and disseminated within fracture zones, in syenite and syenitized volcanics exposed along Limpoke Creek bank near the intrusive contact.
The Poke group of 24 claims was held in the period 1963 to 1965 by Kennco Explorations, (western) Limited. Work during 1963 included soil geochemical and induced potential surveys. A pronounced resistivity low extended northeasterly across the north portion of the Kennco grid, the more intense westerly portion coinciding with the moderate to strong frequency effects obtained on lines 68E and 76E (Assessment Report 535). At the time Kennco reported that the strong resistivity anomaly across lines 68E, 76E and 84E indicated significant mineralization across appreciable widths. In 1963, one diamond-drill hole was attempted, but it did not reach bedrock. In 1965, investigation of the induced polarization anomaly by diamond drilling was dropped when the drilling failed to penetrate the overburden.
In 1980, Teck conducted a soil survey on the Limp 2 claim which covered the same area as Kennco did previously. Soil analyses results for lead, zinc and arsenic were uniformly low and of little significance. Copper and molybdenum results showed only spotty high values at widely spaced intervals. The peak molybdenum value was 28 parts per million and the maximum copper value was 7300 parts per million (Assessment Report 9092).
In 1989, Integrated Resources Ltd. carried out reconnaissance exploration on the Waterfall #1 claim, consisting of prospecting and stream sediment sampling. Though the east half of their Waterfall 1 claim covered the Poke claim area that Kennco worked in 1963 and 1965, no work was done by Integrated there.
In 1990, Dryden Resource Corporation conducted a small exploration program on the Waterfall. Dryden focused on the southern part of the claim away from the area of Kennco's Poke claim exploration. Dryden collected a total of 27 soil, one silt and six rock samples. Dryden reported that a gossan along the property’s south boundary contained 3 to 5 per cent pyrite, 1 to 3 per cent pyrrhotite and 1 to 3 per cent magnetite and trace amounts of chalcopyrite. Except for one float sample the 5 rock samples were at background level. Dryden believed the gossan upslope from the float sample (11.7 grams per tonne gold, 35.1 grams per tonne silver and 0.24 per cent copper) was not the source of the float.
In 1994, the Bob 1 claims were staked by D. Either and later optioned, in 2004 by Canadian Empire Limited. In 2004, chip sampling returned 1.14 per cent copper and 0.87 gram per tonne gold across 4.0 metres (Assessment Report 27765).
In 2004, Canadian Empire Exploration Corp. procured a total of 55 rock samples from the various surface showings concentrating predominately on the Discovery and Zamba showings and the Spike showing just south of the Poke (Assessment Report 27765).
In 2014, Divitiae Resources spent 2 weeks on its Big Red property which covered 18 MINFILE occurrences including the Gran 16 occurrence. Divitiae collected 12 rock samples in the southern portion of the property. Selective samples ran above 1 per cent copper (Assessment Report 35466).
By 2017, Divitiae had expanded their Big Red claim group extending it 5 kilometres more to the west, covering the Poker (104G 149) occurrence as well as the previous 18 that were covered. Divitiae changed the property name from Big Red to River of Gold and undertook an airborne magnetic and radiometric survey in late September that covered all of the River of Gold claims totalling 536 line-kilometres. In October of 2017, preliminary prospecting was completed on high probability anomalies generated by previous ASTER analysis, and the new airborne geophysics. At this time 64 rock samples were collected. Work on the northern portion of the property failed to find any samples to be assayed. The complete airborne geophysical survey report is attached as an appendix within assessment Report 36930). The closest sampling that occurred in 2017 was located between the Terry Creek (104G 214) and Gordon (104G 002) occurrences. See New Limpoke (104G 024) for more detailed information and for 2017 ASTER survey results.
In 2019 and 2020, Libero Copper and Gold Corp. completed programs of geological mapping; geochemical (rock, soil and talus fines) sampling; a 549 line-kilometre airborne electromagnetic (ZTEM) survey; three diamond drill holes, totalling 610.0 metres, and 24 reverse-circulation drill holes, totalling 3527.5 metres, on the area as the Big Red property.
