Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI32D04NW00043

Record: MDI32D04NW00043

General

Commodities

Primary Commodities: Gold

Location

Township or Area: Gauthier

Latitude: 48° 11' 12.18"    Longitude: -79° 51' 21.81"

UTM Zone: 17    Easting: 585024   Northing: 5337686    UTM Datum: NAD83

Resident Geologist District: Kirkland Lake

NTS Grid: 32D04NW

Point Location Description: Shaft - Au deposits sub-crop south of shaft

Location Method: Field Visit with GPS

Access Description: Esker Lake Road (Hwy 672) 5.5 km north from T junction with Hwy 66 turn east along bush road for approx 500 m.

Exploration History

Sudbury Contact Mines Limited discovered the Victoria Creek deposit(s) in 1993.

Assessment Work on File

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Geological Age: Precambrian   Geochronological Age: 2.7 GA   Geochron. Age Ref.: GEOLOGY OF ONRARIO, OGS SP VOL 4

Geology Comments

Dec 07, 2005 (G Meyer) - Gold mineralized zones and host lithologies strike 80-85 degrees and dip 65 degrees north, locally flattening to 55 degrees. The Victoria Creek gold zones occur within calc-alkalic volcanic rocks of the Gauthier Assemblage. A sharp contact apparently concordant with the lithologies exists between Gauthier volcanic rocks and stratigraphically overlying tholeiitic flows of the Kinojevis Assemblage, which locally have well developed pillows with tops facing north. Gold mineralization is generally confined to three zones: 4A, 4C and 4D. In these zones gold mineralization is well defined and appears to follow hydrothermally altered shear zones controlled by S1 deformation. These zones tend to be well defined and well banded in the 4C Zone on the 350 Level where narrow sericite-chlorite and semi-massive pyrite bands separate strong silicified-albitized bands up to 1.5-cm wide. The 4A Zone, where observed, silicification and albitization are well developed and pyrite mineralization tends to occur more commonly in blebs and stringers. The gold zones are enveloped by sericite-carbonate and moderately to weakly silicified and albitized volcanic rocks containing anomalous gold values apparently associated with minor pyrite blebs and stringers. There are mainly two superimposed structural deformation zones (S1 & S2). The S1 deformation zone more or less parallels stratigraphy, strikes at approx. 80-90 degrees and dips 55-70 degrees north. Strong sericitization, carbonatization, silicification, albitization and gold mineralization are associated with this shear direction. The S2 deformation zone, a penetrative shear zone, strikes at 60-70 degrees and dips 30-45 degrees north-northwest. Banding caused by S1 deformation is deformed by S2 deformation into Z style banding with south side up relative to the north side. See Report of Activities, 1998, OFR 5991, p 13 - 15.

Lithology

Lithology Comments

Dec 07, 2005 (G Meyer) - Mineralized zones are silicified, albitized, carbonatized, sericitized and pyritized calc-alkalic volcanic rocks with minor quartz veins parallel to S1 deformation zone. Mineralized zones hosted in broad hydrothermally altered alteration zone with similar minerals as in mineralized zone. Anomalous gold values are widespread.

Mineralization

Mineral Record Details

Mineral Zones - Size and Shape

Rank: 1       Structure Type: Shear

Site Visit Information

Date: Mar 10, 2004

Geologist: G Meyer

Notes: The lithologies on the 350 Level N to S: Kinojevis tholeiitic flows; 350 m+ pillow lava, locally variolitic with tops to the N; towards S contact, massive and coarse-grained, S contact sharp and conformable; Gauthier calc-alkalic volcanic rocks; 5 m top 1 m dark grey, fine grained, well layered unaltered tuff locally beige in colour where hydrothermally altered; minor graph. bands; grading into 2 m of lapilli tuff with flattened fragments; grading into 2 m of lapilli-agglomeratic tuff with angular fragments 45 m intermediate, strongly sericitized | carbonatized (se | carb) ash tuff; 3 m QFP; 1m graph-qtz-carb zone; Victoria Creek Pyroclastic Sequence (63 m wide in drift); 19 m felsic, fragmental volcanic rock; 1 m qtz-carb alteration zone; 12-m felsic ash tuff with fine-grained py stringers and blebs, Au values range from 50 ppb to 400 ppb - southern contact with graphitic shale bands; 2 to 3 m 4A Zone - silicified (si)and se volcanic rock with fine grained py in stringers and dissemination, higher gold values associated with grey qtz veins, north side chloritized ash tuff with qtz veinlets and 4 to 5% py returning the best gold values ranging up to 2 to 8 g/t and averaging approx. 4 g/t/2m; 16 m strongly altered felsic lapilli crystal tuff - with minor qtz/py stringers and gold av. 0.75 to 0.85 g/t Au; 3 m 4C Zone - two darker coloured units up to 60 cm wide, each finely banded with alternating bands of strong si-albitization (alb), with chlorite and semi-massive py - two dark coloured units separated from each other by less altered volcanic rocks grade 5 to 6 g/t Au and the rock between them, up to 1.5 m wide grade 2 to 3 g/t Au - drift width averages out at 1.5 g/t Au - steeply south-dipping fault, post-dates gold min. event; 10 m se, carb | locally apparently strongly alb felsic lapilli/agglomerate (bomb) tuff; 11m chloritic intermediate volcanic fragmental crystal tuff to end of drift.

References

File - Resident Geologist files KL-3251, KL-3838, KL-3903, KL-3975, KL-4149, KL 4409, KL 4974, KL 5031, KL 5032, KL 5033, KL-5231

Publication Number: Date:

Author:

Publisher Name:

Location: Kirkland Lake RGP office

Map - Township of Gauthier, District of Timiskaming, Ontario

Publication Number: ARM50C Scale: 1:12,000    Date: 1998

Author: Griffis A.T., Thomson J.E.

Publisher Name: Ontario Dept. of Mines

Location:

Map - Geological Compilation of the Kirkland Lake Area, Abitibi Greenstone Belt

Publication Number: P3425 Scale: 1:100,000    Date: 2000

Author: Ayer J.A., Trowell N.F.

Publisher Name: Ontario Geological Survey

Location:

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Ministry Contact Information

For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office