Ontario Geological Survey
Permanent Link to this Record:
MDI42E03SW00037
| Record Name(s) | Flicker Lake Se - 1991, Chapman Northern Showing - 1991 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-Apr-01 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Township or Area: Rope Lake Area
Latitude: 49° 5' 22.21" Longitude: -87° 19' 20.06"
UTM Zone: 16 Easting: 476472.88 Northing: 5437455.62 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 42E03SW
Point Location Description: Cu showing on OGS map M2293
Location Method: Data Compilation
1954: The southern showing was staked but no work recorded. 1967: The northern showing was staked but no work recorded. 1971: Ground geophysical survey (IP); Ram Petroleums Ltd.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.702 | 42E03SW0039 | 42E03SW0039 |
Province: Superior
Subprovince: Quetico
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Quartz | Host |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Contains |
Jun 14, 2019 (D McKay) - Phelan (1971; Assessment report 42E03SW0039) described the geology of the area as follows: The area is one predominantly underlain by granitic gneisses and migmatites, with numerous inclusions of altered volcanic and sedimentary rocks. The claim group covers a very pronounced northwest-trending linear depression that quite apparently represents a regional fault zone. At intervals along this depression there are exposures of sheared and shattered gneisses, cemented by quartz veinlets and carrying quite significant quantities of chalcopyrite, and lesser pyrite. Rock outcrops are limited in the valley, but there are several showings of similar mineralization over a two mile length on and between Chapman and Flicker Lakes. The overall impression is one of a major fault, accompanied by copper mineralization.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 2 | Pyrite | Economic | Ore |
Jun 14, 2019 (D McKay) - Carter (1975, p.21) described the occurrences at Chapman and Greenhedge Lakes as follows: Considerable prospecting work has been done in the region around Chapman Lake. The most important showing is located on the eastern side of the Greenhedge Lake-Southpine Lake Fault between Flicker and Chapman Lakes. It consists of disseminated chalcopyrite in a quartz body 200 feet (60 m) long and 50 feet (15 m) wide located in the fault. The attitude of the body could not be determined but its long axis is in the direction of the fault. The quartz contains about 5 percent chalcopyrite, and malachite is on the surface of the quartz. There are two other copper showings in this area. These consist of traces of pyrite and chalcopyrite in the fault zone. A further occurrence of chalcopyrite along the fault is situated about 1 mile (1.6 km) south of Chapman Lake on the eastern shore of Northpine Lake. This showing consists of a quartz vein 1 foot (30 cm) wide in a sheared grey biotite leucogranite containing 1 to 2 percent chalcopyrite as disseminated grains up to 0.25 inch (0.6 cm) across.
MonoMap - Geology of the Dickison Lake area, District of Thunder Bay
Publication Number: R123 Scale: Date: 1975
Author: Carter M.W.
Publisher Name: Ontario Division of Mines
Location:
Map - Dickison Lake, Thunder Bay District
Publication Number: M2293 Scale: 1:63,360 Date: 1974
Author: Carter M.W.
Publisher Name: Ontario Division of Mines
Location:
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