Ontario Geological Survey
Permanent Link to this Record:
MDI42A09NE00004
| Record Name(s) | Hedman - 1986, Mangan-Dyer - 1986, Dyman - 1986, Knight - 1986, Van Packer Mines of Canada Ltd. - 1986 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Past Producing Mine Without Reserves or Resources |
| Date Created | 1986-Feb-28 |
| Date Last Modified | 2023-Jan-19 |
| Created By | |
| Revised By |
Primary Commodities: Serpentinite
Secondary Commodities: Copper, Cobalt, Nickel, Asbestos
Township or Area: Warden
Latitude: 48° 37' 32.43" Longitude: -80° 11' 57.31"
UTM Zone: 17 Easting: 559006.156 Northing: 5386154.777 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 42A09NE
Point Location Description: Open pit
Location Method: Conversion from MDI
1949: N. Skanen dia. drilled 1 hole 1951: Van Packer Mines is reported to have dia. drilled 5 holes. 16 holes were DD on ground held by the Dyman . 1953: 11 DDH. 1954-1955: The Dyman is reported to have DD in the area. 1956: Hedman Mines completed geol. mapping and geoph. surv. and DD 5 holes. 1959: Hedman Mines stripped overburden, DD, and shipped a bulk sample. 1960: Hedman Mines stripped overburden, DD 28 holes, and bulk sampled about 15,000 pounds of material. By year end, the main short fibre serp filler zone had been drill defined to be 1,400' long and up to 500' wide. 1 deep hole. 1961: Hedman Mines acquired a pilot mill site near Matheson and began const. a 40 ton per day pilot mill at an estimated capital cost of $50,000. By September, 33 dia. drill holes. 1962: Hedman Mines completed 300' of surface trenching, a single 200 foot long dia. drill hole, open pit mined, and in February put its pilot mill into production. 1963: Hedman Mines stripped overburden, established the first bench of the open pit, and open pit mined. 1964: Hedman Mines stripped overburden, established the first open pit bench, and mined. 1965: Hedman Mines open pit mined. 1966: By this time, Hedman Mines had stripped overburden along 1,200' of the high grade serp fibre body. 1967: Riddell (1969) reported that construction of a 600 ton per day mill began, that the pilot mill oper. intermittently. 1969: Hedman Mines open pit mined. The pilot mill oper. from January 1-22, when it was destroyed by fire. The new mill oper. from February 1 through December 31. 1970-1981: Hedman Mines open pit mined and milled. 1982-86: Hedman Mines ceased to open pit mine and mill but continued to market serp industrial filler (Lovell et al. 1983). 1987: For the year ended July 31, 1987, Hedman open pit mined. 1988: Hedman open pit mined. Hedman completed VLF EM and MAG. 1998: Mining ceased due to requirements of <1% asbestos.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 11 | 42A09NE0084 | 42A09NE0084 |
Province: Superior
Geological Age: Archean
Metamorphism Grade: Greenschist
Dec 07, 2005 (C Salo) - Geological mapping (Sutcliffe and Steele 1989; Johnstone 1986, 1987; Johnstone and Trowell 1984, 1985; Satterly 1952; Vagners 1984; McClenaghan et al. 1989, 1988, 1987; Steele 1988) indicates that bedrock in the mine area consists mainly of weakly metamorphosed (greenschist or lower metamorphic facies) east southeast striking, steeply dipping, and south facing subaqueously deposited tholeiitic volcanic rocks of the (Archean) Stoughton-Roquemaure Group which occupy part of the north limb of the southeast striking and northwest plunging McCool Hill Syncline. Most volcanic rocks are basalt, but intercalated rhyolite horizons also occur. Intrusive rocks in the area include small and variably serpentinized discordant dunite bodies (one of which hosts the Hedman Mine deposit) and narrow (tens of metres in width) north striking diabase dikes of the (Proterozoic according to Heaman 1989) Matachewan swarm.
| Rock Type | Rank | Composition | Texture | Relationship | Mafic lava flow-unsubdivided | 1 | Tholeiitic Basalt | Near |
|---|---|---|---|---|
| Dunite | 1 | Dunite | Host | |
| Peridotite | 2 | Serpentinezed Peridotite | Host | |
| Felsic lava flow-unsubdivided | 4 | Rhyolite | Near |
Dec 07, 2005 (C Salo) - Serpentinized dunite is relatively homogeneous and consists of massive lizardite (platy serpentine). The serpentinite is characterized by a light grey to white weathered surface with fine dark green to black veinlets defining a polygonal pattern. In hand specimen, weathered surfaces have a fine-grained, equigranular texture. Fresh surfaces are typically black- green, hackly, and dull. Hedmanite. It is a natural material which contains no amphibole, free silica or additives. The average fibre length is 2.5 microns, which is within a size category determined by medical research studies as being devoid of pathogenic potential. Hedmanite is a bluish-white powder with a specific gravity of 1.8 and a dry bulk density of 300-500 ml/100 g. The material has an eletropositive charge and is capable of absorbing 32% of its weight in oil. Th mineral components of Hedmanite impart 2 important properties: the lap shear strength of prismatic laths, and fibre reinforcement.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 3 | Magnetite | Economic | Ore | ||||
| 4 | Pyrrhotite | Economic | Ore | ||||
| 5 | Asbestos | Economic | Ore | ||||
| 6 | Picrolite | Economic | Ore | ||||
| 7 | Chrysotile | Economic | Ore | ||||
| 1 | Serpentine | Economic | Gangue | ||||
| 2 | Talc | Economic | Gangue | ||||
| 3 | Carbonate | Economic | Gangue | ||||
| 4 | Calcite | Economic | Gangue | ||||
| 5 | Quartz | Economic | Gangue | ||||
| 6 | Graphite | Economic | Gangue | ||||
| 7 | Chlorite | Economic | Gangue |
Dec 07, 2005 (C Salo) - Vos (1971) described the Hedman Mine and the processing operations. Whittaker and Malczak (1984) described the deposit and Hedmanite as follows; Serpentinized dunite is exposed in the pit area over a width of about 125 m and a length of 300 m; drilling indicates a length of 600 m and a depth of 225 m. Within the pit, serpentinized dunite is relatively homogeneous and consists of massive lizardite (platy serpentine) with minor veinlets of magnetite and chrysotile. A few rodingite dikes, up to 20 cm wide, cut the dunite in 1 locality and minor faults of various orientations are abundant. Magnetite, chrysotile, and coarse-grained lizardite (variety picrolite) form veinlets in fractures around massive parts of the rock. The Hedman open pit is roughly rectangular in form and covers an area at least 60 m wide and 200 m long. An average of 59% of the mill feed is extracted to form the product, Hedmanite. Standard specifications recorded by Hedman Resources Limited indicate that the product is composed of about 86% lizardite and 14% chrysotile with minor magnetite (J.J. Mangan, Hedman Resources Limited, personal communication, 1984) Anomalous copper and nickel tenors on the Hedman Resources claims have also been documented and are given occurrence status elsewhere in this compendium as the Dyman 1 occurrence and the Dyman 2 occurrence. Copper tenors as high as 4.95%, nickel tenors as high as 1.7%, and cobalt tenors as high as 0.27% are reported to be associated with: a)disseminated, blebby, and veinlet py, cp, and mag within variably sheared and serpentinized peridotite near the northern contact of the serpentinized ultramafic body which hosts the Hedman Mine; and b)disseminated to locally massive py and cp hosted by graphitic rhyolite of the Stoughton-Roquemaure Group. See Bath (1990) for detailed uses of Hedmanite. The CMH 1989-90 reported that reserves 10,000,000 tons, sufficient to produce about 5,000,000 tons of lizardite dunite mineral filler.
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| Hedman | 1995 | Unclassified | 10000000 | OFR 5958 | Used as mineral filler but contains >1% asbestos so no longer valid | Serpentinite 0 NA |
Map - Kirkland Lake data series, Warden Township, District of Cochrane
Publication Number: P0775 Scale: 1:15,840 Date: 1972
Author: Geological Survey of Canada, Lovell H.L., Frey E.D.
Publisher Name: Ontario Division of Mines
Location:
Mono - Copper, nickel, lead and zinc deposits of Ontario
Publication Number: MDC012 Page: 125-126 Date: 1969
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Asbestos in Ontario
Publication Number: IMR036 Page: 50-52 Date: 1998
Author: Vos M.A.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Folio - Warden Township, District of Cochrane
Publication Number: GDIF381 Date: 1997
Author: Kirkland Lake RGO
Publisher Name: Ontario Geological Survey
Location:
Mono - Mineral occurrences, deposits, and mines of the Black River-Matheson area
Publication Number: OFR5735 Page: 1265-1278 Date: 1990
Author: Bath A.C.
Publisher Name: Ontario Geological Survey
Location:
Article - Precambrian geology of Coulson, Warden, and Milligan townships, Black River-Matheson (BRIM) area, District of Cochrane
Publication Number: MP132.079 Page: 392-397 Date: 1997
Author: Johnstone R.M.
Publisher Name: Ontario Geological Survey
Location:
Article - Precambrian geology of the Black River-Matheson (BRIM) area, District of Cochrane
Publication Number: MP119.050S Page: 278-282 Date: 1997
Author: Johnstone R.M., Trowell N.F.
Publisher Name: Ontario Geological Survey
Location:
Article - Kirkland Lake District
Publication Number: MP054.002 Page: 33-53 Date: 1998
Author: Lovell H.L., de Grijs J.W.
Publisher Name: Ontario Division of Mines
Location:
Article - Kirkland Lake Resident Geologist's area, Northern Region
Publication Number: MP134.007 Page: 175-218 Date: 1997
Author: Lovell H.L., Grabowski G.P.B., Guindon D.L., Bath A.C.
Publisher Name: Ontario Geological Survey
Location:
Article - Quaternary geology and geochemical exploration in the Matheson area
Publication Number: MP136.294 Page: 200-214 Date: 1997
Author: McClenaghan M.B., Lavin O.P., Nichol I., Shaw J.
Publisher Name: Ontario Geological Survey
Location:
Article - Quaternary geology and geochemical exploration in the Matheson area
Publication Number: MP140.294 Date: 1997
Author: McClenaghan M.B., Lavin O.P., Nichol I., Shaw J.
Publisher Name: Ontario Geological Survey
Location:
Article - Reconnaissance till sampling program, Matheson-Lake Abitibi area, District of Cochrane
Publication Number: MP141.081 Page: 472-477 Date: 1997
Author: Steele K.G.
Publisher Name: Ontario Geological Survey
Location:
Mono - Annual report for the year 1964, statistics of the mineral industry and mining operations in Ontario for 1964
Publication Number: ARV74 Date: 1998
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Geology of Munro Township
Publication Number: ARV60-08 Date: 1997
Author: Satterly J.
Publisher Name: Ontario Dept. of Mines
Location:
Article - Mineral deposits investigations in the Black River-Matheson (BRIM) area, District of Cochrane
Publication Number: MP119.053 Page: 290-294 Date: 1997
Author: Whittaker P.J., Malczak J.
Publisher Name: Ontario Geological Survey
Location:
Book - FROM MORE REFERENCES SEE BATH, 1990
Publication Number: REFERNCES Date: 1990
Author:
Publisher Name:
Location: Kirkland Lake RGP
Mono - Report of Activities 1996, Resident Geologists
Publication Number: OFR5958 Date: 1997
Author: Newsome J.W., Laderoute D.G.
Publisher Name: Ontario Geological Survey
Location:
Mono - Annual report of the Ontario Department of Mines for the year 1963, volume 73, statistical review of the mineral industry and mining operations for 1963
Publication Number: ARV73 Date: 1998
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Annual report for the year 1965, statistics of the mineral industry and mining operations in Ontario for 1965
Publication Number: ARV75 Date: 1997
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Annual report for the year 1966, statistics of the mineral industry and mining operations in Ontario for 1966
Publication Number: ARV76 Date: 1998
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Annual report for the year 1967, statistics of the mineral industry and mining operations in Ontario for 1967
Publication Number: ARV77 Date: 1998
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Annual report on mining operations in Ontario during calendar year 1968
Publication Number: ARV78 Date: 1998
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Annual report on mining operations in Ontario during calendar year 1969
Publication Number: ARV79 Date: 1998
Author: Riddell G.S.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.
Please review our Terms of Use agreement for this data product.
For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office