The Indi occurrence is located approximately 1.1 kilometres south of the Thompson River, directly south of Skeetchestn Reserve.
The area is predominantly underlain by Upper Triassic Nicola Group volcanic rocks comprising massive, dark-green andesites including crystal lapilli tuffs, feldspar porphyries, fragmental breccias and massive flows. The stratigraphy trends 160 to 190 degrees and dips moderately (40-50 degrees) to the west. The Jurassic Ashcroft Formation unconformably overlies the Nicola rocks and is found in only one portion of the property; it consists of a poorly sorted and bedded pebble conglomerate with abundant granitic clasts. A limited quantity of Eocene Kamloops Group volcanic rocks occurs to the east side of the property and consists of mainly greyish white felsic flows and tuffaceous rocks. The property straddles the Deadman River fault and splays off the fault. Where these faults cut the Nicola Group rocks, carbonate alteration of the andesites predominates; where they cut Kamloops Group felsic volcanic rocks, quartz-sericite-pyrite alteration is developed.
Two distinct styles of mineralization and alteration have been recognized at the Indi showings. The first style occurs within Nicola andesites and consists of carbonate alteration as discrete zones that parallel stratigraphy. In the more intense zones, evidence of faulting is often seen. On the surface, the alteration zone is cut by carbonate stringers or veins. The veins are finely laminated, often with cockscomb textures, and they parallel as well as crosscut the altered zones. Pyrite is common within the altered zones as disseminations and fine stringers. Quartz veins are found in approximately 10 per cent of the carbonate zones. Normally, these quartz veins contain geochemically anomalous gold values as well as minor amounts of tetrahedrite, galena, malachite and azurite. Results from diamond drilling of these altered zones yielded up to 0.9 gram per tonne gold across 38 centimetres and up to 62.6 grams per tonne silver over 56 centimetres. One altered zone in the Nicola rocks—the Owl zone—is associated with strong silicification (not quartz veining) and contains massive pyrite.
The second style of mineralization occurs in Kamloops Group volcanic rocks and consist of quartz-sericite-pyrite–altered zones located approximately 1500 metres east of the carbonate zones in the Nicola rocks. Two different styles of galena and sphalerite mineralization are present in the altered zones. The first is coeval with alteration and involves disseminations, blebs and stringers. The second, massive sulphides associated with gouge and shear zones, appears to be post-mineralization and was probably caused by remobilization of sulphides in later faults. One of the altered zones, the Sagebrush, was tested by a diamond drill hole. Gold values were consistently low; however, combined lead-zinc values yielded 2.23 per cent over 4.17 metres, 1.45 per cent over 1.82 metres and 0.55 per cent over 17 metres, and silver values yielded 77.5 grams per tonne over 1.5 metres and 74.7 grams per tonne over 0.3 metre. Geochemically anomalous arsenic and mercury values were also obtained (Assessment Report 18753).
Work History
During the Depression (1930s), several claims were staked and the remains of several old trenches are still visible. During the early 1970s, several claims were staked, presumably for porphyry copper, and remains of an old grid from this program can still be seen. In 1981, a regional airborne very low frequency electromagnetic and magnetometer survey was carried out on behalf of Tu-Tahl Petroleum Inc. and Sunstar Continental Petroleum Corp. over the Lynx and Coyote claims, respectively. In 1986, M. Dickens performed prospecting and rock chip sampling on the Indi claims. In 1988-89, QPX Minerals Inc. conducted an exploration programme that included grid establishment (85 kilometres), geological mapping, soil sampling (1068 samples), four diamond drill holes, totalling 556 metres, seven percussion drill holes, totalling 480 metres, a ground magnetometer survey (85 kilometres), a very low frequency electromagnetic survey (66 kilometres), 302 rock samples and 466 samples from drillcore and cuttings. In 2018, AMV Capital Corp. completed a program of soil and rock sampling on the area as the Sage property. The following year, a 43.5 line-kilometre ground magnetic survey was completed.
In 2018, Pontiac Resources Corp. conducted a 14.5 line-kilometre soil survey, and collected and submitted 590 soil samples for assay. A total of 30 rock samples were submitted for assay, and a 1:200 000 scale geologic mapping program was completed on the Sage property.
