Ontario Geological Survey
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MDI42C13SW00043
| Record Name(s) | Qued QT-12 Zinc Occurrence - 1993, Dead Otter Lake Claims - 9999, Musher Lake Project Claim Group - 9999, Theresa Lake Property (Project 429) - 1992 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1996-Dec-12 |
| Date Last Modified | 2022-May-09 |
| Created By | |
| Revised By |
Primary Commodities: Zinc
Township or Area: Wabikoba Lake Area
Latitude: 48° 49' 51.45" Longitude: -85° 45' 55.16"
UTM Zone: 16 Easting: 590611.83 Northing: 5409399.53 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 42C13SW
Point Location Description: Trench QT-12
Location Method: Field Visit
Access Description: The Qued qt-12 zinc occurrence is located approximately 32.2 km south-southeast of Manitouwadge, 2.3 km west of Theresa Lake and 1.5 km northeast of the northern end of Musher Lake. The occurrence is accessible via motor vehicle followed by travel on foot. From Manitouwadge, proceed south along Highway 614 for approximately 40 km to the Twist Lake road. Proceed northeast along the Twist Lake road for approximately 8.8 km to where a north-trending line (L 6+00E) of a grid cut by Placer Dome Inc. in 1992 crosses the road. Proceed south along this line for approximately 675 m to the vicinity of a trench (QT-12) dug by Qued Resources Limited in 1984. Zinc-bearing sulphide mineralization is exposed in the trench.
1957: Geological mapping; CPR (M. Bartley, T. Page). 1964-1965: Geological mapping; ODM (V.G. Milne). 1966: Ground geophysical survey (MAG); Falconbridge Nickel Mines Ltd. 1967-1969: Diamond drilling (19 holes); Falconbridge Nickel Mines Ltd. Hole (31-1-67), collared in the vicinity of the occurrence, intersected numerous zones up to 10 feet wide containing up to 10% py, po and cpy. 1976: Airborne geophysical survey (Questor), Line cutting, reconnaissance geological mapping and ground geophysical surveys (MAG, EM); Noranda Mines Ltd. Several weak conductors, most without significant magnetic association, were outlined in the vicinity of the occurrence. 1978-1979: Lake sediment and water geochemical sampling; GSC and MNR. Samples collected from the vicinity of the occurrence contained slightly anomalous amounts of Cu, Zn, Au and Mo. 1982-1984: Line cutting, ground geophysical surveys (EM,VLF, and IP), soil and lithogeochemical sampling, geological mapping, trenching (15 trenches totalling 634 m) and diamond drilling (14 holes totalling 2018 m); Qued Resources Ltd. The occurrence was exposed in trench QT-10. 1983: Airborne geophysical survey (HLEM, VLF-EM, MAG); Aerodat Ltd. 1984: Geological mapping; OGS (G.M. Siragusa). 1991: Reconnaissance till sampling; GSC (I.M. Kettles). Samples collected in the general vicinity of the occurrence were found to contain slightly anomalous amounts of Cu and Zn. 1992: Line cutting, ground geophysical surveys (MAG, VLF-EM); Placer Dome Inc. Several conductive horizons attributed to sulphide mineralization were outlined. 1993: Lithogeochemical sampling; OGS (D.B. McKay).
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 63.4434 | 42C13SW0124 | 42C13SW0124 |
| 63.4318 | 42C13SW0016 | 42C13SW0016 |
| 2.2338 | 42C13SW0079 | 42C13SW0079 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Schreiber-Hemlo
Geological Age: Archean
Metamorphism Type: Regional
Metamorphism Grade: Amphibolite
Dec 07, 2005 (D McKay) - The Qued QT-12 zinc occurrence is located in the Wawa subprovince approximately 18 km northeast of the Hemlo mines. The area surrounding the occurrence is underlain primarily by an east-southeasterly-trending sequence of mafic to felsic metavolcanic and lesser metasedimentary rocks which comprise a portion of the the north limb of the Schreiber-Hemlo greenstone belt (Milne 1968, Map 2147; Siragusa 1985, Map P.2738). In the vicinity of the occurrence, emplacement of the Dotted Lake Batholith has folded the belt into a large easterly-plunging anticline (Milne 1968, Map 2147). The occurrence is located along the south limb of this structure. The supracrustal rocks in this area are locally strongly foliated (100 to 115 degrees /85 degrees SW) and mineral assemblages indicate they have experienced lower amphibolite facies-grade regional metamorphism (Milne 1968; Barry 1983). In the vicinity of the occurrence, the supracrustal sequence is approximately 3.5 km wide and is bounded to the north and south by granodioritic rocks of the Dotted Lake Batholith and the Musher Lake Pluton, respectively (Milne 1968, Map 2147). The northern portion of the belt is dominated by massive to pillowed basalts which are overlain to the south by intermediate to felsic pyroclastic rocks containing minor metasedimentary interbeds (Milne 1968; Cavey and Dumouchel 1985). The supracrustal sequence dips steeply to the southwest and has been interpreted to young in the same direction (Milne 1968; Cavey and Dumouchel 1985). The occurrence is located near the southern boundary of the belt approximately 900 m north of the contact with the Musher Lake Pluton. In the vicinity of the occurrence, 3 parallel, east-southeast- trending, interflow metasedimentary units (iron formations) have been recognized (Cavey and Dumouchel 1985). The Qued QT-12 zinc occurrence is located in the southernmost of these iron formations.
| Rock Type | Rank | Composition | Texture | Relationship | Sulphide Ironstone | 1 | Sulphide-Bearing, Q-Mag If | Laminated | Host |
|---|---|---|---|---|
| Mafic lava flow-unsubdivided | 2 | Amphibolitic | Near | |
| Quartz-Feldspar Porphyry | 3 | Q-Fel Porphyritic Sills | Near |
Dec 07, 2005 (D McKay) - The majority of the rock exposed in the trench consisted of coarse-grained, weakly foliated, quartz- and/or feldspar- porphyritic felsic intrusions. Mafic metavolcanic and metasedimentary rocks comprise a 13 m wide section located near the north end of the trench. Several narrow (25 to 75 cm wide), sulphide-bearing iron formations occur within this section. The iron formations are typically rusty-weathering, laminated (on a mm scale) dark gray and green, fine- to locally coarse-grained, moderately foliated (115 degrees /subvertical), dense, hard and strongly magnetic containing up to 40% medium- to coarse-grained magnetite locallized in bands.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Pyrrhotite | Economic | Ore |
Dec 07, 2005 (D McKay) - Pyrrhotite and pyrite generally constitute 1 to 3% of the iron formations and occur as medium- to coarse-grained disseminated grains and patches. No sphalerite nor chalcopyrite are reported to occur. Although samples collected from these iron formations by Qued Resources Limited in 1985 returned assay values of up to 3420 ppm Zn (Cavey and Dumouchel 1985, p. 29), grab samples collected by D.B. McKay for the OGS returned only slightly anomalous zinc values (i.e.: 146 to 306 ppm Zn).
| Rank | Classification |
|---|---|
| 1 | Exhalative |
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
File - Schreiber-Hemlo Resident Geologist Mineral Deposit Files
Publication Number: Min Dep Date: 1983
Author: Cavey, G.
Publisher Name:
Location: Thunder Bay RGP
Map - Geological Compilation of the Eastern Half of the Schreiber-Hemlo Greenstone Belt
Publication Number: M2614 Scale: 1:50,000 Date: 2000
Author: Muir T.L.
Publisher Name: Ontario Geological Survey
Location:
Mono - Mineral Occurrences in the Manitouwadge Area, Volumes 1, 2 and 3
Publication Number: OFR5906 Page: 195-202 Date: 1994
Author: McKay D.B.
Publisher Name: Ontario Geological Survey
Location:
File - Schreiber-Hemlo Resident Geologist Mineral Deposit Files
Publication Number: Min Dep Date:
Author:
Publisher Name:
Location: Thunder Bay RGP
Map - White Lake sheet, Thunder Bay District
Publication Number: M2147 Scale: 1:31,680 Date: 1968
Author: Milne V.G.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of the Black River area, District of Thunder Bay
Publication Number: R072 Date: 1968
Author: Milne V.G.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, Precambrian geology, Lumby Lake area, western part, Kenora District
Publication Number: P2828 Scale: 1:15,840 Date: 1985
Author: Jackson M.C., Chevalier P.
Publisher Name: Ontario Geological Survey
Location:
Publication - Reconnaissance Geochemical Data for Till Samples from the Manitouwadge Area, Ontario
Publication Number: OF 2616 Date: 1993
Author: Kettles, I.M.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/183942
Map - Black River area, southeast part, District of Thunder Bay
Publication Number: P0335 Scale: 1:31,680 Date: 1997
Author: Milne V.G.
Publisher Name: Ontario Dept. of Mines
Location:
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