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Ontario Geological Survey
Permanent Link to this Record:
MDI31E01SE00152
| Record Name(s) | Dwyer Fluorite Mine - 1918, South Cardiff - 1993 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1993-Mar-04 |
| Date Last Modified | 2024-Aug-16 |
| Created By | |
| Revised By |
Primary Commodities: Fluorite
Secondary Commodities: Apatite (Gemstones), Mica, Serpentinite, Mineral Specimen, Graphite
Township or Area: Cardiff
Latitude: 45° 3' 52.02" Longitude: -78° 10' 48.31"
UTM Zone: 17 Easting: 722003 Northing: 4993979 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31E01SE
Point Location Description: open cut
Location Method: AMIS Site Visit
Access Description: On Hwy 648, east of Wilberforce, with the junction to Little Cardiff Lake Road on the left. Road-cuts are on the east side of the junction.
1918-1920: P.J. Dwyer - adit under construction, 37 tons (33.5 tonnes) of fluorspar shipped. 1943: F.K. Montgomery, J.K. MacFarlane and R. M. Clarke – property optioned, DD-22-100 ft, in production. 1944-45: Tops Mining Syndicate Limited – in production, adit extended to 156 feet at the end of 1945
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Calcite-Fluorite-Apatite | Host |
|---|---|---|---|---|
| Fenite | 2 | Syenite | Contains | |
| Pegmatite | 3 | Syenitic | Adjacent |
Nov 07, 2013 (A Wilson) - The host rock is described as a highly syenitized rock developed mainly in alaskitic granite with abundant patches and veinlets of alkali pyroxene and amphibole and local patches of highly fenitized rock. The original lithology has been largely replaced by nepheline-normative alkali-feldspar syenite. The calcite vein is 10 feet thick and dips 30ºS. At least one segment of the vein can be traced intermittently along the flank of the ridge. A narrow vein also was observed in an old pit 2000 feet west of the open cut.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Fluorospar | Economic | Ore | ||||
| 2 | Graphite | Economic | Ore | ||||
| 3 | Chondrodite | Economic | Gangue | ||||
| 4 | Fluorite | Economic | Gangue | ||||
| 5 | Apatite | Economic | Gangue | ||||
| 6 | Magnetite | Economic | Gangue | ||||
| 7 | Mica | Economic | Gangue | ||||
| 8 | Olivine | Economic | Gangue | ||||
| 9 | Pyrite | Economic | Gangue | ||||
| 10 | Pyrrhotite | Economic | Gangue |
Nov 07, 2013 (A Wilson) - Purple fluorite occurs as coarsely granular aggregates forming bands in cream-white calcite which fluoresces pink when exposed to " short" ultraviolet rays. The bands are straight, wavy or contorted and produce attractively patterned specimens. Green and red apatite occurs as crystals commonly 3 cm in diameter. Black hornblende and green clinopyroxene also occur in the calcite. Vein thicknesses from the 1943 diamond drilling program averaged 3 feet thick and 43% CaF2. Purple fluorite was estimated to comprise 20-30% of the vein material in 1963. Unoriented crystals of brown and green apatite, up to 4 inches thick and 12 inches long formed 5-10% of the vein material. Occasional crystals of black hornblende up to 12 inches in length also have been observed.
| Rank | Classification |
|---|---|
| 1 | Vein |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1944 | 23 |
Fluorite 23 Tonne |
ARV54-2 p.7 | 23 tons - 23.3 tonnes shipped |
| 1943 | 41 |
Fluorite 41 Tonne |
ARV53-1 p. 71 | 40 tons, 40.6 tonnes shipped |
| 1918 | 34 |
Fluorite 34 Tonne |
37 tons (33.5 tonnes) of fluorspar shipped between 1918 and 1919 |
Book - Rocks and minerals for the collector: Bancroft - Parry Sound area and southern Ontario; Geological Survey of Canada, Miscellaneous Report 39
Publication Number: Misc Rep 39 Page: 83-84 Date: 1986
Author: Sabina, A.P.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/121046
Map - Precambrian Geology, Wilberforce Area
Publication Number: P3526 Scale: 1:50,000 Date: 2003
Author: Lumbers S.B., Vertolli V.M.
Publisher Name: Ontario Geological Survey
Location:
Part - Statistical review of the mineral industry of Ontario for 1918
Publication Number: ARV28-01.001 Page: 50 Date: 1998
Author: Gibson T.W.
Publisher Name: Ontario Bureau of Mines
Location:
Part - Mines of Ontario
Publication Number: ARV29-01.003 Page: 115 Date: 1998
Author: Sutherland T.F., McMillan J.G., Bartlett J., Webster A.R.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Mines of Ontario in 1943
Publication Number: ARV53-01.003 Page: 71 Date: 1997
Author: Tower W.O., Smith R.L., Bawden W.E., Cooper D.F., Taylor J.B., Little E.S., Weir E.B., Douglass D.P.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Mines of Ontario in 1944
Publication Number: ARV54-02.001 Page: 7 Date: 1997
Author: Tower W.O., Smith R.L., Bawden W.E., Cooper D.F., Taylor J.B., Little E.S., Weir E.B., Douglass D.P.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Mines in Ontario in 1945
Publication Number: ARV55-02.001 Page: 5 Date: 1997
Author: Tower W.O., Smith R.L., Bawden W.E., Cooper D.F., Taylor J.B., Walkom L.K., Little E.S., Weir E.B., Douglass D.P., Ward J.L.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Fluorspar in Ontario
Publication Number: IMR012 Page: 15 Date: 1997
Author: Guillet G.R.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Cardiff and Faraday townships, counties of Haliburton and Hastings, Ontario
Publication Number: M1957-01 Scale: 1:31,680 Date: 1998
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Industrial minerals of the Algonquin region
Publication Number: OFR5425 Page: 12, 91 Date: 1983
Author: Martin W.
Publisher Name: Ontario Geological Survey
Location:
Map - Haliburton area, Province of Ontario
Publication Number: ARM52A Scale: 1:126,720 Date: 1998
Author: Satterly J.
Publisher Name: Ontario Dept. of Mines
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office