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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  05-Jun-2023 by Karl A. Flower (KAF)

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NMI 094B12 Zn1
Name MARINI 1, ACE, LINDA, LAKE, HORN, REEF Mining Division Liard, Omineca
BCGS Map 094B072
Status Showing NTS Map 094B12E
Latitude 056º 42' 47'' UTM 10 (NAD 83)
Longitude 123º 44' 36'' Northing 6285692
Easting 454498
Commodities Zinc, Cadmium, Lead, Silver Deposit Types E12 : Mississippi Valley-type Pb-Zn
Tectonic Belt Foreland Terrane Ancestral North America
Capsule Geology

The Marini 1 occurrence is located at an elevation of approximately 1700 metres on a south-facing slope, approximately 1.2 kilometres north-northeast of the north end of Lady Laurier Lake.

Regionally, the area is underlain by dolomitic carbonate rocks of the Ordovician Skoki Formation and mudstone, siltstone, shale, fine clastic sedimentary rocks and undivided sedimentary rocks of the Middle Ordovician to Middle Devonian Road River Group.

Locally, fractures containing minor sphalerite, calcareous quartzite and shale within a thrust slice of the Road River Group.

In 1972, a rock sample (1075R) from a trench on the occurrence assayed 0.40 per cent zinc and 0.012 per cent cadmium (Assessment Report 3976).

In 1973, a rock sample (99115) from a gossanous brecciated dolomite, located in the headwaters of Top Creek and approximately 1.5 kilometres north of the Marini occurrence, yielded 0.125 per cent lead and 4.0 grams per tonne silver (Assessment Report 4772).

Work History

Following the Robb Lake discovery (094B 005) in 1970, a regional silt sampling program identified numerous lead-zinc anomalies within the platformal carbonates. Follow-up soil sampling and prospecting led to the discovery of the Marini 1 showing.

During 1972 through 1975, British Newfoundland Exploration Ltd. completed programs of prospecting, geological mapping, minor trenching, geochemical (rock, silt and soil) sampling and a single diamond drill hole, totalling 56.0 metres, on the area as the Ace and Linda claim groups of the Marini, Lake, Horn and Reef properties.

EMPR ASS RPT *3976, 4142, 4772, *4772, 4873, *5306, 5750
EMPR GEM 1973-385; 1974-289; 1975-E156
EMPR PF Cyprus Anvil (British Newfoundland Exploration Limited (1972-10-01): Detail Geochemistry and sample sites, Hastings Prospect and Lee Anomoly; Tavela, M. (1972-06-01): Geochemical Exploration Report Lady Laurier Lake Area, NEBC; Dolmage Campbell and Associates (1972-07-17) Property Map of Robb Lake Area; Campbell, N. (1972-11-13): Office Study, Robb Lake Project, Halfway River Area, Northeastern BC)