Ontario Geological Survey
Permanent Link to this Record:
MDI42E03SW00003
| Record Name(s) | Madson Occurrence - 1914, Tb2103 - 1914 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1980-Jan-15 |
| Date Last Modified | 2022-May-09 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Rope Lake Area
Latitude: 49° 0' 44.18" Longitude: -87° 15' 44.94"
UTM Zone: 16 Easting: 480806.16 Northing: 5428853.32 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 42E03SW
Point Location Description: Vein outcrop
Location Method: Conversion from MDI
Access Description: The occurrence is located approximately 30 km north of Schreiber (claim map G-609), 0.8 km north of the north shore of Big Duck Lake and about 610 m southeast of Cable Lake. Easiest access is by aircraft from Pays Plat to Big Duck Lake. A drill trail which leads from the Winston Lake Mine to Big Duck Lake may also be used to access the area.
1983: Airborne geophysical surveys (MAG, EM); Corporation Falconbridge Copper. 1984: Ground geophysical surveys (EM, MAG), geological mapping and geochemical surveys; Corporation Falconbridge Copper. 1997: Battle Mountain Canada Ltd. conducted an IP survey. 2012: Clearframe Solutions Corp. conducted magnetometer and VLF-EM surveys.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.7632 | 42E03SE8252 | 42E03SE8252 |
| 2.17593 | 42E03SW0012 | 42E03SW0012 |
| 2.53290 | 20000008278 | 20000008278 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Schreiber-Hemlo
Geological Age: Archean
Dec 07, 2005 (D McKay) - Hopkins (1922, p.21) describes the Madson occurrence: A sample across 5 feet of the Madson vein yielded an assay $2.50 per ton in gold [0.12 ounces of gold per ton at $20.67] and nothing in silver. This vein consists of banded calcite, pyrite, sugary and glassy quartz.
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Calcite-Quartz | Host |
|---|
Dec 07, 2005 (D McKay) - The vein consists of banded calcite, pyrite, sugary and glassy quartz.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 1 | Quartz | Economic | Gangue | ||||
| 2 | Calcite | Economic | Gangue | ||||
| Quartz | Alteration | Hydrothermal | 1 | Unknown | Veins | ||
| Calcite | Alteration | Hydrothermal | 2 | Unknown | Veins |
Dec 07, 2005 (D McKay) - A sample across 5 feet of the Madson vein yielded an assay $2.50 per ton in gold [0.12 ounces of gold per ton at $20.67] and nothing in silver. This vein consists of banded calcite, pyrite, sugary and glassy quartz (Hopkins, 1922, p.21).
Map - Nipigon-Schreiber, geological compilation series, Thunder Bay District
Publication Number: M2232 Scale: 1:253,440 Date: 1973
Author: Carter M.W., McIlwaine W.H., Wisbey P.A.
Publisher Name: Ontario Division of Mines
Location:
MonoMap - Mineral deposits of the Big Duck Lake area, District of Thunder Bay
Publication Number: R027 Page: 37 Date: 1997
Author: Pye E.G.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Schreiber-Duck Lake area
Publication Number: ARV30-04.001 Date: 1998
Author: Hopkins P.E.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Big Duck Lake area, District of Thunder Bay
Publication Number: M2023 Scale: 1:15,840 Date: 1997
Author: Pye E.G.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Gold deposits of Ontario, part 1, districts of Algoma, Cochrane, Kenora, Rainy River, and Thunder Bay
Publication Number: MDC013 Page: 301 Date: 1971
Author: Ferguson S.A., Groen H.A., Haynes R.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
File - Schreiber-Hemlo Resident Geologist Mineral Deposit Files
Publication Number: Min Dep Date:
Author:
Publisher Name:
Location: Thunder Bay RGP
Mono - Mineral Occurrences in the Nipigon-Marathon Area, Volumes 1 and 2.
Publication Number: OFR5951 Page: 795 Date: 1996
Author: Schnieders B.R., Smyk M.C., Speed A.A., McKay D.B.
Publisher Name: Ontario Geological Survey
Location:
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