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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  24-Jun-2022 by Karl A. Flower (KAF)

Summary Help Help

NMI 092L6 Fe5
Name RAMBLER (L.1537) Mining Division Alberni, Nanaimo
BCGS Map 092L034
Status Showing NTS Map 092L06E
Latitude 050º 21' 27'' UTM 09 (NAD 83)
Longitude 127º 14' 48'' Northing 5579850
Easting 624718
Commodities Magnetite, Iron Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Rambler (L.1537) occurrence is located on a small creek flowing east into the Benson River, just above the creek mouth of Merry Widow Creek.

Regionally, the area is underlain by basaltic volcanic rocks of the Upper Triassic Karmutsen Formation (Vancouver Group), which are overlain sequentially by limestone of the Upper Triassic Quatsino Formation (Vancouver Group); limestone, mudstone and siltstone of the Upper Triassic Parson Bay Formation (Bonanza Group) and mixed volcanic and sedimentary rocks of the Lower Jurassic LeMare Lake volcanic unit (Bonanza Group). The volcanic and sedimentary rocks have been intruded by gabbro to quartz diorite of the Lower to Middle Jurassic Island Plutonic Suite.

The occurrence lies 50 metres north of a northeast trending fault in Upper Triassic Vancouver Group, Quatsino Formation limestone. The Benson Lake diorite stock of the Jurassic Island Plutonic Suite lies 580 metres to the west. Lenses or sills of intrusive greenstone, thought to be related to the stock, occurs within 100 metres. The occurrence consists of a high-grade magnetite skarn zone that measures 9 by 1.8 metres. Skarn mineralogy is not reported, but at the nearby Raven occurrence (MINFILE 092L 046) consists of diopside, garnet, epidote, actinolite and chlorite.

Work History

The area has been explored in conjunction with the Merry Widow (MINFILE 092L 044) deposits since the early 1900’s. In 1968, Quatsino Copper Gold completed a program of airborne magnetic and radiometric geophysical surveys on the area. In 1970, Alice Lake Minerals completed an aeromagnetic survey. During 1989, through 1992, Taywin Resources completed programs of geological mapping, trenching and surface sampling on the area. During 2005 through 2012, Grande Portage Resources completed programs of rock, silt and soil sampling, geological mapping, airborne electromagnetic and magnetic surveys and a ground magnetometer survey on the area. In 2016 and 2017, Bridgeland Minerals completed a radar satellite and LiDAR orthophoto geological interpretation program on the area as the Blue Gold/Merry Widow property. In 2019, Mirva Properties Ltd. completed a rock sampling program on the Merry Widow property. In 2020, Roughrider Exploration Ltd. completed a program of rock, silt and soil sampling on the area as the Empire Mine property.

Bibliography
EMPR AR 1922-355; *1960-94
EMPR MAP Preliminary Geological Map, Alice Lake-Benson Lake Area, Jeffery, W.G. (1962)
EMPR PF (Report by Lamb, J., (1961): In Empire-092L 044)
GSC BULL 172
GSC MAP 4-1974; 255A; 1552A
GSC OF 9; 170; 463
GSC P 69-1A; 70-1A; 71-36; 72-44; 74-8
GSC SUM RPT 1918B; 1929A
EMR MP CORPFILE (Quatsino Copper-Gold Mines Ltd.)
Carson, D.J.T., (1968): Metallogenic Study of Vancouver Island with emphasis on the Relationship of Plutonic Rocks to Mineral Deposits, Ph.D. Thesis, Carleton University, Ottawa
Sangster, D.F., (1964): The Contact Metasomatic Magnetite Deposits of Southwestern British Columbia, Ph.D. Thesis, University of British Columbia
*Giroux, G.H. (2007-09-04): Technical Report on the Copper-Gold Resource for the Merry Widow Property
Giroux, G.H. (2008-11-30): Technical Report on the Copper-Gold Resource for the Merry Widow Property

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