Ontario Geological Survey
Permanent Link to this Record:
MDI42E12NW00002
| Record Name(s) | Cyril Knight East - 1934, Crooked Green Creek - 1980 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1980-Feb-28 |
| Date Last Modified | 2022-Jun-20 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Irwin, Pifher
Latitude: 49° 44' 55.85" Longitude: -87° 51' 14.19"
UTM Zone: 16 Easting: 438482.53 Northing: 5511056.9 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 42E12NW, 42E13SW
Point Location Description: Precise
Location Method: Conversion from MDI
1934-35: Cyril Knight Prospecting Company Ltd. carried out prospecting and sampling. 1985: Atlantic Mining Corporation carried out trenching and sampling. 1986: Noranda Exploration Company Ltd. carried out mapping.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.9533 | 42E12NW0050 | 42E12NW0050 |
| 2.12660 | 42E12NW0441 | 42E12NW0441 |
Province: Superior
Subprovince: Wabigoon
Belt: Beardmore-Geraldton
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Schist-Unsubdivided | 1 |
|---|---|---|---|---|
| Felsic lava flow-unsubdivided | 2 | Rhyolite | Near | |
| Quartz Porphyry | 3 | Quartz | Near | |
| Diabase | 4 | Diabase Dyke | Near | |
| Vein | 5 | Quartz | Host |
Oct 25, 2018 (Therese Pettigrew) - Laird (1937) reported that the area is underlain mainly by schistose tuffs and agglomerates resembling arkose. The schisting of the rocks is east-west, and their attitude is more or less vertical. The No. 1 vein in historic claim TB 14861 contains gold and was stripped for 70 feet (21.3 m). It strikes east, dips 70 degrees S, and has an average width of 5 inches (12.7 cm).
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Gold | Economic | Ore |
Oct 25, 2018 (Therese Pettigrew) - Laird (1937) reported that assays from channel sampling yielded up to 0.64 opt Au over 9” (21.9 gpt Au over 22.9 cm).
Map - Dorothea, Sandra and Irwin townships, Thunder Bay District
Publication Number: M2294 Scale: 1:31,680 Date: 1974
Author: Mackasey W.O.
Publisher Name: Ontario Division of Mines
Location:
MonoMap - Geology of Dorothea, Sandra, and Irwin townships, District of Thunder Bay
Publication Number: R122 Page: 55-56 Date: 1975
Author: Mackasey W.O.
Publisher Name: Ontario Division of Mines
Location:
Part - The western part of the Sturgeon River area (Sturgeon R.-Beardmore section)
Publication Number: ARV45-02.002 Page: 98-99 Date: 1998
Author: Laird H.C.
Publisher Name: Ontario Dept. of Mines
Location:
Book - GDIF 42E12NW (unpublished)
Publication Number: GDIF Date: 1988
Author: Ontario Geological Survey
Publisher Name: Ontario Geological Survey
Location:
File - Resident Geologist Mineral Deposit Files
Publication Number: Min Dep Date: 1996
Author:
Publisher Name:
Location: Thunder Bay RGP
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