Ontario Geological Survey
Permanent Link to this Record:
MDI31C11SW00031
| Record Name(s) | Canada Talc Mine - 1937, Henderson - 1986 |
|---|---|
| Related Record Type | Partial |
| Related Record(s) | |
| Record Status | Past Producing Mine With Reserves or Resources |
| Date Created | 1986-Jan-31 |
| Date Last Modified | 2022-Jun-22 |
| Created By | |
| Revised By |
Primary Commodities: Talc
Secondary Commodities: Dolomite (flux/filler), Tremolite
Township or Area: Huntingdon
Latitude: 44° 30' 6.28" Longitude: -77° 27' 10.98"
UTM Zone: 18 Easting: 304992.74 Northing: 4930529.84 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C11SW
Point Location Description: Precise, Shaft 456 feet deep, nearest property symbol 9, just SE of Madoc.
Location Method: Conversion from MDI
Access Description: The property is accessible by road from Madoc. Past a locked gate on Talc Mine Rd, a bush road leads into the property.
1880's - Talc discovered ; 1896 - Henderson Mine was opened. 1911 - Conley Mine (originally comprised of northeastward extension of the Henderson orebody) discovered ; 1914 - 15 production began; 1937 - Henderson and Conley properties merged. 1951-1983 Canada Talc Industries Ltd. operated. 1981 - W.R. Barnes Co Ltd took control; October, 1983: company reorganized as Canada Talc Limited with W.R. Barnes Company retaining controlling interest. January 1999: Highwood Resources Ltd. acquired Canada Talc. Major mine infrastructure improvements were made including access to new production level and infrastructure and capital equipment installation at mill in Marmora were completed. 2002: Dynatec Mineral Products Division acquired the industrial minerals division of Highwood Resources (see OFR 6152, p2 for details). Sheritt International acquired property as part of acquisition of Dynatec c. 2008 In Aug 2010, Sherritt closed Canada Talc operations in Madoc after over 114 years of continuous production. In 2011 the site was rehabilitated. The mill in Marmora Township has been sold and will re-open in 2012.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Elzevir
Domain: Belmont
Geological Age: Mesoproterozoic
Jun 22, 2022 (P LeBaron) - The Canada Talc deposit occurs within marble of the Belmont Domain, an area of middle to upper greenschist facies metamorphism in which quartz and dolomite coexist in carbonate rocks except in zones of higher metamorphic grade within thermal aureoles of intrusive bodies. The deposit occurs in a zone of tremolitic marble about 800m northwest of the Moira Granite. The lithological sequence from southeast to northwest through the Canada Talc orebody is: (1) dark grey to black phyllite, (2) micaceous, tremolitic dolomite, (3) steatized dolomite, (4) high-grade talc ore, (5) laminated tremolitic dolomite (possibly altered stromatolitic dolomite), (6) siliceous, stromatolitic dolomite, (7) mottled grey-white dolomite, and (8) an undifferentiated thick dolomite sequence (Simandl and Ogden 1982). The presence of laminated tremolitic dolomite adjacent to stromatolitic dolomite, consisting of coexisting quartz and dolomite laminae, suggests that these units represent the outer limit of the thermal metamorphic aureole of the Moira Granite. The talc zone, therefore, has formed within siliceous dolomitic host rock close to the boundary between low and medium-grade metamorphic conditions at the margin of the thermal aureole of the Moira Granite, by prograde metamorphism to tremolite followed by retrograde metamorphism to talc as suggested by Hewitt (1972).
| Rock Type | Rank | Composition | Texture | Relationship | Marble | 1 | Tremolitic | Talc | Is |
|---|---|---|---|---|
| Marble | 2 | Stromatolitic with quartzite and dolomite beds | Bedded | Host |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Talc | Economic | Ore | ||||
| 2 | Dolomite | Economic | Ore | ||||
| 3 | Jade | Economic | Gangue |
Jun 22, 2022 (P LeBaron) - In 2014, a sample collected from the waste rock pile of the Canada Talc Mine in Madoc by the Regional Resident Geologist in 2010 was confirmed as nephrite jade. The sample, Cantal-14-1, originally thought to consist of very fine-grained, pale green serpentine and tremolite, was analysed by x-ray diffraction (Fernandes 2014) and found to consist entirely of tremolite. Petrographic thin section studies were subsequently done on the sample, on an additional sample of waste rock from the mine and on two samples of green, tremolitic marble from sites along the same marble belt that hosts the Canada Talc deposit, collected by staff of the Tweed Resident Geologist Office in 2014. The results confirm the presence of nephrite jade from the Canada Talc Mine site and that the green marbles contain 88% and 94% tremolite (Wilson 2014). Additional samples of nephrite-bearing marble were found by Tweed RGO staff in a pile of dumped diamond drill core at the site of the former Canada Talc Mine processing plant in Marmora. The holes were drilled in 1986 and 1987 to test for down-dip extensions of the talc zone. The absence of fractures in the drill core samples suggests that fracturing in sample Cantal-14-1 is the result of blasting during the talc mining operations (photo 1) and that zones of nephrite remote from the mine workings may remain relatively unfractured.
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Tremolite | XRF |
| Rank | Classification |
|---|---|
| 1 | Metamorphic |
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| East Ore Body | 1992 | Unclassified | 35000000 | 35 million tonnes at 25% talc |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1992 | 30000 | OGS MP161 p. 375 |
Mono - Report of Activities 2010, Resident Geologist Program, Southern Ontario Regional Resident Geologist Report: Southeastern and Southwestern Ontario Districts, and Petroleum Resources Centre
Publication Number: OFR6267 Page: 12-13 Date: 2011
Author: Sangster P.J., LeBaron P.S., Laidlaw D.A., Wilson A.C., Carter T.R., Fortner L.
Publisher Name: Ontario Geological Survey
Location:
Publication - Talc deposits of Canada; Geological Survey of Canada, Economic Geology Series 2
Publication Number: Econ Geol 2 Page: 78-83 Date: 1926
Author: Wilson, M.E.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/102438
Map - Madoc area, Ontario
Publication Number: M2053 Scale: 1:126,720 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geological notes for maps nos. 2053 and 2054, Madoc-Gananoque area
Publication Number: S012 Page: 20 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of Madoc Township and the north part of Huntingdon Township, Hastings County
Publication Number: R073 Page: 30-32 Date: 1968
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Talc in Ontario
Publication Number: IMR040 Page: 9-13 Date: 1998
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Article - Industrial minerals studies
Publication Number: MP106.035 Page: 226 Date: 1997
Author: Vos M.A.
Publisher Name: Ontario Geological Survey
Location:
Mono - Building stone of eastern Ontario, southern Ontario
Publication Number: OFR5556 Page: 64 Date: 1985
Author: Verschuren C.P., van Haaften S., Kingston P.W.
Publisher Name: Ontario Geological Survey
Location:
Mono - Talc in southeastern Ontario
Publication Number: OFR5714 Page: 110-121 Date: 1989
Author: LeBaron P.S., van Haaften S.
Publisher Name: Ontario Geological Survey
Location:
Mono - Talc in Ontario
Publication Number: IMR040 Date: 1998
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Compend - Report of Activities 1992, Resident Geologists
Publication Number: MP161 Date: 1993
Author: Fenwick K.G., Pitts A.E., Newsome J.W.
Publisher Name: Ontario Geological Survey
Location:
Publication - Talc, steatite, and soapstone; pyrophyllite; Canada Mines Branch, Publication 803
Publication Number: CMB Pub 803 Page: 69-72 Date: 1940
Author: Spence, H S
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/307947
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