Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000001431

Record: MDI000000001431

General

Commodities

Primary Commodities: Gold

Location

Township or Area: Hislop

Latitude: 48° 30' 12.68"    Longitude: -80° 18' 19.86"

UTM Zone: 17    Easting: 551299   Northing: 5372500    UTM Datum: NAD83

Resident Geologist District: Kirkland Lake

NTS Grid: 42A09SW

Point Location Description: middle of zone on map on page 46 of Maunula and Karrei (2011)

Location Method: Other Literature

Access Description: The property is located about 10 km east of Matheson, Ontario along Highway 101 and 3 km south of Highway 101 on Tamarack Road

Exploration History

Early 1900s: property was staked by F. Schumacher 1989: Goldpost Resources Inc. completed an unknown amount of diamond drilling released a resource estimate on the Contact Zone – 109 000 tons @ 0.18 ounce per ton gold 1993: Noranda Exploration Company established a north-south grid and completed 14 diamond drill holes totalling 4870 m 1994: Noranda Exploration Company completed mag, IP and resistivity surveys. 3 diamond drill holes totaling 919 m were completed. 1995: Battle Mountain Gold Company completed 7 diamond drill holes totaling 2323 m 1996: Battle Mountain Gold Company completed 16 diamond drill holes 1997: Battle Mountain Gold Company completed 5 diamond drill holes totaling 2331 m 2002: Newmont released a resource estimate of 2.2 million t @ 4.8 g/t gold 2008: Apollo Gold Corp. completed 16 diamond drill holes totaling 3715 m 2009: Apollo Gold Corp. completed 53 diamond drill holes totaling 9961 m 2010: Brigus Gold completed a resource estimate 2011: Brigus Gold completed 138 diamond drill holes totaling 54 711 m (147 Zone) and released a resource estimate.

Assessment Work on File

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Tectonic Assemblage: Tisdale

Geological Age: Archean  

Geology Comments

Jul 23, 2012 (D Guidon) - The northwest-trending Porcupine-Destor Deformation Zone separates the untramafic and mafic metavolcanic rocks of the Lower Tisdale assemblage from the Porcupine assemblage sedimentary rocks. The deposit is hosted in metavolcanic rocks of the Lower Tisdale about 1.3 km from the contact of the 2 assemblages.

Lithology

Lithology Comments

Jul 23, 2012 (D Guidon) - (from Maunula and Karrei 2011) From east to west in the immediate vicinity of the 147 and Contact Zones, the 300 to 400 m thick sequence of north trending and steeply east-dipping, thus slightly overturned, Tisdale rocks, consist of massive flows marked by brecciated flow tops, gabbro, the 147 Zone variolitic host unit, gabbro, pyritic, interflow sediments, and pillowed and amygdaloidal basalt. Further to the west at the Contact Zone, this sequence of Tisdale rocks is in major fault contact with a north-south trending wedge of Timiskaming Assemblage siliceous, pyritic, metasediments. To the east, this dominantly mafic sequence descends lower into the Tisdale stratigraphy and includes ultramafic units. The massive mafic flows are generally aphanitic and dark to medium green. Both magnetite-bearing and non-magnetic units have been mapped. Flow breccias fragments often appear paler grey green than the massive intervals, but is likely the result of pervasive carbonate alteration penetrating inward from the breccia interstices rather than primary compositional differences. Minor pyrite has occasionally been noted in matrix and as fragments. Well-preserved pillow lavas were extensively observed in drill core and are characterized by 1 to 2 cm wide, dark green chloritic selvages that are commonly calcitic and extensively epidotized. They are commonly amygdaloidal towards the pillows margins with small (2 to 3 mm) calcite- or chlorite-filled amygdales. Amygdaloidal areas in non- pillowed intervals do not appear to be extensive, however when present tend to be larger, up to a centimetre in diameter of either calcite or milky quartz, and appear more spherical. The gabbro units are generally massive, fine to medium grained, sparsely jointed, are commonly leucoxene-bearing, and locally may be extensively epidotized. Both magnetite-bearing and non-magnetic units have been mapped. As previously mentioned, a north-south trending wedge of Timiskaming Assemblage siliceous metasediments, dominantly sandstones with subordinate greywacke and thinly bedded chert, marks the upper extent of the Tisdale Assemblage (Contact Zone) to the west in this area of the property. In turn, the west contact of the metasedimentary wedge is marked by the northwest trending Gibson-Kelore Fault Zone in the south, and the Gibson Intrusive Complex in the north. The Gibson Intrusive Complex was emplaced along a portion of the eastern margin of the Gibson-Kelore Fault Zone. Despite being pervasively altered (hematized, sausseritized, silicified, pyritized), and locally subjected to intense brittle deformation, two distinct phases, a medium grained (hornblende) diorite, and a plagioclase feldspar porphyry, have been recognized. Narrow, subordinate, feldspar porphyry, lamprophyre, aplite and felsite dykes were also noted in recent drilling. A cluster of younger diabase (Matachewan) dykes trend northward through the central part of the property and were observed in drill core to cut through both the Tisdale and Timiskaming assemblages.

Mineralization

Mineralization Comments

Jul 23, 2012 (D Guidon) - (from Maunula and Karrei 2011) The 147 Zone is hosted by a north trending, steeply east dipping variolitic basalt (Tisdale Assemblage). The core zone of gold mineralization occurs over an approximate 275 m north-south direction strike length and dips at approximately 75° to the east. The mineralized zone has been traced from the top of the bedrock to a drilled vertical depth of at least 400 m. The overburden cover in the area varies from approximately 5 to 15 m thick. The mineralization occurs in association with breccia veins, crustiform veining and thin quartz-carbonate matrix cataclastic-hydrothermal breccias. Overall mineralization style is brittle compared to other deposits in the region, and the crustiform textures are reminiscent of high level epithermal mineralization.

Alteration Comments

Jul 23, 2012 (D Guidon) - (from Maunula and Karrei 2011) Bluish-gray cherty,pyretic quartz veinlets are of economic significance in the 147 Zone. They generally range in width from less than 1 mm to 5 to 10 mm, but occasionally can reach a maximum of 5 cm. They can range in colour from a bluish-gray, through varying shades of light to dark gray, to creamy and black, but are commonly a cherty light gray. Except for the very narrowest veinlets which appear singly layered, most are very thinly, rhythmically banded, or zoned. While dominantly composed of silica, some veinlets also include creamy bands, patches, or streaks of carbonate. Some of the silica layers may have a chalcedonic appearance, and upwards of 8 to 10 individual layers including those of very fine pyrite were noted. Chalcedonic brecciated layers in some of the more wider, 2 to 5 cm, veinlets are characterized by a variety of sizes of angular silica fragments ranging up to 6 to 7 mm in longest dimension. The rhythmic layering/zoning suggests multiple pulses of silica into slightly open fractures. Most veinlets are variably pyritic, containing several percent commonly as very fine disseminations, hair-thin fracture fillings and along veinlet margins. Visible gold in the 147 Zone is generally restricted to the bluish-gray cherty, zoned pyritic veinlets where it can occur ranging from single, tiny flecks, to clusters of fine grains, to coarse streaks, and clusters of streaks, preferentially along the veinlet contacts, or in micro-fractures.

Mineral Record Details

References

File - Resident Geologist file K-1756, K-4147

Publication Number: Date:

Author:

Publisher Name:

Location: Kirkland Lake RGP office

Map - Precambrian Geology of the Hislop Township Area

Publication Number: M2527 Scale: 1:20,000    Date: 2000

Author: Berger B.R.

Publisher Name: Ontario Geological Survey

Location:

Map - Precambrian geology, Hislop and Guibord townships

Publication Number: OFM0143 Scale: 1:20,000    Date: 1990

Author: Troop D.G.

Publisher Name: Ontario Geological Survey

Location:

MonoMap - Geological Synthesis of the Highway 101 Area, East of Matheson, Ontario

Publication Number: OFR6091 Date: 2003

Author: Berger B.R.

Publisher Name: Ontario Geological Survey

Location:

Map - Precambrian Geology of the Highway 101 Area, East of Matheson, Ontario

Publication Number: M2676 Scale: 1:50,000    Date: 2003

Author: Berger B.R., Luinstra B., Ropchan J.C.

Publisher Name: Ontario Geological Survey

Location:

Part - Geology of Hislop Township

Publication Number: ARV65-05 Date: 1997

Author: Prest V.K.

Publisher Name: Ontario Dept. of Mines

Location:

Map - Township of Hislop, District of Cochrane, Ontario

Publication Number: M1955-05 Scale: 1:12,000    Date: 1997

Author: Prest V.K., Cook D.R., Hogg N.

Publisher Name: Ontario Dept. of Mines

Location:

Mono - Overview of Results from the Greenstone Architecture Project: Discover Abitibi Initiative

Publication Number: OFR6154 Date: 2005

Author: Ayer J.A., Thurston P.C., Bateman R., Dubé B., Gibson H.L., Hamilton M.A., Hathway B., Hocker S.M., Houlé M.G., Hudak G., Ispolatov V.O., Lafrance B., Lesher C.M., MacDonald P.J., Péloquin A.S., Piercey S.J., Reed L.E., Thompson P.H.

Publisher Name: Ontario Geological Survey

Location:

Publication - Technical Report and Resource Estimate on the 147 and Contact Zones of the Black Fox Complex, Ontario, Canada

Publication Number: 2011 NI 43-101 Date: 2011

Author: T. Maunula and L. Karrei

Publisher Name: SEDAR

Location: SEDAR

Publication - Technical report and mineral resource estimate for the Grey Fox project

Publication Number: 2013 NI 43-101 Date: 2013

Author: P.L. Richard, B. Turcotte and C. Pelletier

Publisher Name:

Location: SEDAR

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