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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  20-Apr-2021 by Karl A. Flower (KAF)

Summary Help Help

NMI 093K3 Mo11
Name LORNE, LORNE 6, SAM ROSS CREEK, RAIN Mining Division Omineca
BCGS Map 093K004
Status Showing NTS Map 093K03W
Latitude 054º 05' 01'' UTM 10 (NAD 83)
Longitude 125º 15' 12'' Northing 5995172
Easting 352603
Commodities Molybdenum, Copper Deposit Types L05 : Porphyry Mo (Low F- type)
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Lorne occurrence is located at an elevation of approximately 800 metres adjacent to Sam Ross Creek and approximately 2.5 kilometres south west of the creeks' junction with the Endako River.

The geology of the region consists of: 1) a Mississippian to Triassic Cache Creek Group oceanic volcanic and sedimentary assemblage 2) the Upper Triassic dominantly mafic volcanic Takla Group 3) the Lower to Middle Jurassic Hazelton Group mafic to felsic volcanic and sedimentary rocks 4) the Upper Cretaceous to Lower Tertiary Ootsa Lake Group sedimentary and volcanic rocks and 5) the Oligocene and Miocene Endako Group. The region has been intruded by the Lower Jurassic quartz monzonite to granodiorite Topley Intrusive Suite, Upper Jurassic plutons of the Francois Lake Suite and plugs and stocks related to Upper Cretaceous and Tertiary volcanism.

The Lorne showing occurs in the vicinity of Sam Ross Creek where an outcrop of diorite of the Francois Lake Intrusive Suite is cut by a narrow fracture zone. This zone contains pyrite mineralization with associated potassium feldspar alteration. Minor specular hematite and fine scales of molybdenite have been identified in this area. Chalcopyrite occurs in trace amounts throughout the diorite.

Work History

During 1963 through 1967, Amax Exploration Ltd. completed programs of biogeochemical, water, rock, silt and soil sampling, geological mapping, a 20.2 line-kilometre ground magnetic survey and 15.3 line-kilometres of induced polarization survey on the area as the Lorne claims of the Sam Ross Creek property. Rock samples yielded up to 0.080 per cent molybdenum (Assessment Report 787).

In 1969 and 1970, Endako Mines Ltd. completed programs of soil sampling, an 8.0 line-kilometre induced polarization survey and a 23.0 line-kilometre ground magnetic survey on the area immediately east of the occurrence as the Sam claims.

In 1979, Placer Development Ltd. completed a program of geological mapping, soil sampling and a 22.0 line-kilometre ground scintillometer survey on the area as the Rain claims.

In 1980, Placer Development Ltd. completed three percussion drill holes, totalling 289.8 metres, on the area as the Storm claim.

In 2007, Nation River Resources Ltd. completed a program of rock, soil, and water sampling on the area as the MO and SR claims.

EMPR AR 1965-133; 1967-115; 1968-142
EMPR ASS RPT *787, 1018, 1235, 2442, 2751, 7516, 8314, 29350, 29351
EMPR EXPL 1992-69-106
EMPR FIELDWORK 1992, pp. 475-482
EMPR PF (Claim Map, 1967; Geological map of the Sam Ross-Watkins
creeks area, Southwest Potash Corp. c.1964)
EMPR PFD 15232, 15233, 810090, 810113
GSC MAP 631A; 907A; 1424A
GSC OF 2593, 3184
GSC P 90-1F, pp. 115-120; 91-1A, pp. 7-13