The Clinton Manganese #1 occurrence is located approximately 30 metres below one of the foothills to the Marble Range mountains. It is 3 kilometres north of Clinton Creek and approximately 16 kilometres northwest of Clinton.
The area is underlain by limestone, marble and calcareous sedimentary rocks of the Permian to Upper Triassic Marble Canyon Formation of the Cache Creek Complex.
GSC Memoir 118 (page 95) describes the "ores" as being exposed in an opencut 11.6 metres long, 1.2 metres wide and 2 metres deep, situated on a hill, some 30 metres below the summit. The ore occurs in a 6-metre-thick layer consisting of "(bluish)-grey dense quartzite cut by quartz stringers and impregnated in an irregular manner with black manganese". Hostrocks are argillites and quartzites (chert?) of the Cache Creek Complex. Bedding strikes at 305 degrees and dips 40 to 70 degrees southwest. Psilomelane, manganite and pyrolusite were observed as "nodules and irregular masses of black ore". A 5.8-metre sample assayed 7.57 per cent manganese and 82.57 per cent silica dioxide (GSC Memoir 118).
Anomalous gold values have been identified in silt and heavy mineral sampling along 59 Mile, 57 Mile and Powder Canyon creeks, with values of up to 45 000 parts per billion gold being reported from heavy mineral samples from 59 Mile Creek (Assessment Report 34557).
The area was originally trenched and sampled sometime early in the last century, probably during the first world war.
In 1984, the area was prospected and sampled for epithermal vein-gold as the MPG 1-4 claims. Programs of stream sediment sampling are reported to have been undertaken in the mid-1990s.
In 2005, Cosigo Resources Inc. completed a program of heavy mineral sampling of streambed sands on the area as the Mooney Property. Heavy mineral samples yielded from 2 to 4071 parts per billion gold (Ostensoe, E. (2008-02-06): Report on Recommendations Mooney Property).
During 2013 through 2018, Cariboo Rose Resources Ltd. completed programs of prospecting and rock, silt and soil sampling on the area.
In 2020, Black Shield Metals Corp. completed a minor program of rock sampling and an 11.05 line-kilometre combined ground induced polarization, resistivity and magnetic survey on the area as the CHG project.
