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File Created: 20-Jul-2015 by Karl A. Flower (KAF)
Last Edit:  21-Jul-2020 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name LOGAN RIDGE, SALAL Mining Division Lillooet
BCGS Map 092J083
Status Showing NTS Map 092J14W
Latitude 050º 48' 16'' UTM 10 (NAD 83)
Longitude 123º 24' 12'' Northing 5628156
Easting 471580
Commodities Molybdenum, Silver, Rhenium Deposit Types L05 : Porphyry Mo (Low F- type)
Tectonic Belt Coast Crystalline Terrane Plutonic Rocks, Cadwallader
Capsule Geology

The Logan Ridge occurrence is located on Logan Ridge, east of Mud Lake, at an elevation of approximately 2200 metres.

Locally, a contact zone between a fine-grained and a coarse-grained quartz monzonite hosts banded wide quartz veins and stock works, up to 0.4 metre wide, with pyrite and molybdenite mineralization occurring as fine-grained fracture coatings to bands with sericitic margins. The zone is exposed over a width of 500 metres, with the most intense veining occurring over a width of 200 metres.

In 1965, a grab sample assayed 0.246 per cent molybdenum (Assessment Report 709).

In 2008, a grab sample (148756) assayed 3.6 grams per tonne silver and 0.243 per cent molybdenum. In 2012, a previous sample was resampled for rhenium and yielded 82 grams per tonne (Assessment Report 31091).

In 2012, a lone diamond drill hole (MSA-004) intersected a 24 metre long zone of molybdenum mineralization with values up to 0.089 per cent molybdenum over 1.0 metre,; including 0.031 per cent molybdenum over 5.0 metres and 0.011 per cent molybdenum over 94.6 metres (Assessment Report 33341).

During the same year, a 200 metre rock chip sample encountered a 2.5 metre zone of intense silicification hosting fine grained molybdenite in east-striking, poly-phase quartz-pyrite veins, stock works and joints near a contact zone, which assayed 0.0353 per cent molybdenum (Assessment Report 33341).

From 1965 to 1966, Southwest Potash Corp. optioned the property and staked additional ground. , following which they completed a program of surveying, geological mapping, reconnaissance geochemistry and diamond drilling.

In 2007 and 2008, Paget Minerals conducted small exploration programs to confirm past accounts of mineralization on the Salal property. Work included mapping and rock sampling in the Mud Lake and Logan Ridge area in the northern section of the property.

In early 2010, Miocene Metals Ltd. conducted airborne geophysical surveys over the Salal property. In late 2010 and throughout 2012, Miocene Metals Ltd. completed a program of sampling, prospecting, mapping and four diamond drill holes on the Salal property.

For regional geology and a complete property history, see Salal Creek (MINFILE 092JW 005).

Bibliography
EMPR ASS RPT *709, *31091, 32913, *33341
EMPR PF (Regional Geologist's Letter, 1996; Salal Creek Assessment Report Review, 1996; Photos, 1996)
EMR MP CORP FILES (Southwest Potash Corp.)
McDonough, B. (2010-12-31): Technical Report on the Cu-Au-Mo Properties
McDonough, B. (2011-04-02): Technical Report on the Cu-Au-Mo Properties
EMPR PFD 802031

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