The Buff (Rabbit 3-4) occurrence is located east of Durand Creek, approximately 800 metres northwest of the western end of Dominic Lake.
The area is underlain by Upper Triassic Nicola Group volcanic rocks consisting mainly of andesitic volcanic flows and fragmentals. To the northeast these have been intruded by a Triassic composite diorite-monzonite intrusion (Durand Lake stock).
Locally, a pervasively magnetite-epidote altered microdiorite breccia hosts disseminated to clotty chalcopyrite-pyrite mineralization with minor malachite-azurite and trace native copper along fracture planes.
In 1990, a rock sample (R90-17R) assayed 0.43 gram per tonne gold (Assessment Report 20793).
In 2014, a grab sample (2377540) assayed 0.57 gram per tonne gold and 0.21 per cent copper (Assessment Report 35439).
During 1965 through 1967, Noranda Exploration completed programs of geological mapping, soil sampling and minor trenching on the area as the G.B. claims. Cominco Ltd. staked the Rag claims in 1969 to cover the northern and western part of an aeromagnetic anomaly associated with a Triassic composite diorite-monzonite intrusion (Durand Lake stock). Extensive geological and geophysical programs, conducted during 1969 through 1972, outlined disseminated sulphide zones (5 to 8 per cent pyrite) along the west-southwest and east-northeast flanks of the intrusion. These peripheral area areas have been covered by induced polarization and magnetic surveys and a limited amount of percussion drilling. In 1970, induced polarization and ground magnetometer surveys and line cutting totalling 29 line -kilometres were run over the Rag group of claims on behalf of Cominco Ltd. In 1972, line cutting and an induced polarization survey totalling 26 line- kilometres was completed over the Rag claim group on behalf of Cominco Ltd. In 1988, Teck completed a program of soil and rock sampling, and ground geophysical surveys on the area as the GS claims. In 1988, Cominco Ltd. conducted soil sampling (619 samples) over the Rag claims. In 1989, Teck Corporation entered into a joint venture agreement with Cominco Ltd. covering Teck- and Cominco-owned claims in the Greenstone Mountain area. During the spring and summer of 1990, Teck conducted soil sampling (500 samples) and magnetometer (38 kilometres) and VLF-EM (38 kilometres) surveys over previously untested portions of the Rag claims. In 1990, on behalf of Teck Corporation, a nine-hole percussion drilling program, totalling 716 metres, tested two gold-copper soil geochemical anomalies on the Rag claims. In 1992, Cominco completed a 29.5 line-kilometre induced polarization survey. In 1989, D.L. Cooke and R.U. Bruaset began assembling ground (Rabbit claims) in the Dominic and Durand lakes area and this continued, with some interruptions, until 1996. The Rabbit claims cover the Bruce (MINFILE 092INE114), Rag 73 (MINFILE 092INE130) and Rag (MINFILE 092INE045) occurrences. Beginning in 1990, Bruaset and Cooke carried out systematic geological mapping and a soil geochemical survey (135 samples) directed at gold around the Rag 73 and Rabbit (MINFILE 092INE147) occurrences. In 1993, a compilation map was completed based on the analysis for gold of 2900 soil samples form the Dairy to Dominic lakes area. This compilation, which covered most of the area of current Rabbit claims, suggested high gold potential. In 1995, ProAm Explorations Corporation extended the 1990 gold soil anomaly, and in the same year, the entire ProAm Rabbit group of claims was surveyed by enzyme leach selective extraction. In 1996, a program of rock and soil sampling and a 7.3 line-kilometre induced polarization survey were completed. In 2003 and 2004, Auterra Ventures conducted program of trenching, geochemical sampling and ground geophysical surveys on the area as the Rabbit North property. In 2011, the area was prospected by R. Bruaset.
During 2013 through 2015, Tower Resources completed programs of rock sampling, geological mapping with airborne and ground geophysical surveys.