Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000001430

Record: MDI000000001430

General

Commodities

Primary Commodities: Gold

Location

Township or Area: Hislop

Latitude: 48° 30' 28.62"    Longitude: -80° 18' 31.29"

UTM Zone: 17    Easting: 551060   Northing: 5372990    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.1979-80: A. P. Ginn - mapping, ground magnetic survey. DD-8-2717.5 ft., assays. 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 complete 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.1996:Moneta Porcupine Mines Ltd. - IP survey. 1995-97: 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. 2008-09: Apollo Gold Corp. completed 69 diamond drill holes totaling 13,,676 m. 2010-11: Brigus Gold completed a resource estimate; DD-79-27 881 m.

Assessment Work on File

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Tectonic Assemblage: Tisdale

Geological Age: Archean  

Geology Comments

Apr 07, 2016 (D Guidon) - The northwest-trending Porcupine-Destor Deformation Zone separates the ultramafic 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 Contact Zone area is a steeply dipping fault contact zone located between the north-south trending argillaceous sediments and tuffs (Timiskaming Assemblage), in contact with mafic volcanics (Tisdale Assemblage). It extends from the southern Grey Fox claim boundary northwards for at least 1,200 m with an average strike of 350° azimuth. However, the core of gold mineralization is approximately 450 m in strike length and remains open to the north. The general dip of the feature is 78° to the east with horizontal widths varying from 3.5 to 35 m (Figure 7.4). The overburden cover in the area varies from 25 to 35 m thick. The mineralized lens has been traced from the top of the bedrock to a drilled vertical depth of at least 300 m. The lithology within the Contact Zone area primarily consists of mafic volcanics (Tisdale Assemblage) in major fault contact with a north-south trending wedge of Timiskaming Assemblage siliceous, pyritic, metasediments. The hanging-wall mafic volcanic unit is mostly massive and rarely pillowed. When mineralized, the mafic is a breccia with semi-rounded fragments from 0.5 to 2.5 cm in diameter. The extreme hanging-wall lithology of the zone is an ultramafic unit while the extreme footwall unit is a syenitic intrusive. Minor diabase occurs on the footwall side in the sediments Comments: (from Maunula and Karrei 2011) The gold mineralization of the Contact Zone occurs dominantly in the brecciated zones above the sediment contacts. The higher grade appears to “free gold” in the silica and albite altered sections with late stage reddish-white calcite/ankerite veinlets containing 0.5 mm pyrite stringers. The reddish tinge is from ragged grains of hematite in a groundmass of ankerite. From thin section analysis of the veinlets, the groundmass is mostly composed of fine grain ankerite and quartz. The ankerite minerals are crosscut by abundant chlorite veinlets. Hematite and magnetite were found to be commonly associated with the sulphides. Metallic mineralization of the Contact Zone is mainly pyrite. Analyzis of thin sections noted that minor amounts of arsenopyrite, chalcopyrite and pyrrhotite were intergrown with the pyrite. Also noted was that the pyrite formed as disseminated grains of subhedral to euhedral crystals along hairline fractures. The brecciated quartz cement and veinlets were noted to be “peppered” with fine grain flakes and “rosettes” of molybdenite. One other note was that molybdenite was normally associated with the pyrite and observed to be locally overgrown by pyrite. There is a direct correlation between the gold precipitation and molybdenite occurrence, with or without pyrite.

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: Maunula, T. and Karrei, L.

Publisher Name: SEDAR

Location: Kirkland Lake RGO

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

Publication Number: 2013 NI 43-101 Date: 2013

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

Publisher Name: SEDAR

Location:

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