Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI31E01SE00152| Deposit Name(s) | Dwyer Fluorite Mine - 1918, South Cardiff - 1993 |
|---|---|
| Related Deposit Type | None |
| Deposit Status | prospect |
| Date Created | 1993-Mar-04 |
| Date Last Modified | 2013-Nov-07 |
| Created By | Q Unknown |
| Revised By | A Wilson |
Primary Commodities: graphite, fluorite
Secondary Commodities: apatite (gemstones), mica, serpentinite, mineral specimen
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: Southeastern 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
| Rock Type | Rank | Composition | Texture | Relationship |
|---|---|---|---|---|
| vein | 1 | calcite-fluorite-apatite | host | |
| fenite | 2 | syenite | contains | |
| pegmatite | 3 | syenitic | adjacent |
11/01/2013 (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 | Habit Description |
|---|---|---|---|---|---|---|---|
| 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 |
11/01/2013 (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 | Commodity Production | Reference | Comment |
|---|---|---|---|---|---|
| 1918 | 34 | Fluorite 34 Tonne | 37 tons (33.5 tonnes) of fluorspar shipped between 1918 and 1919 | ||
| 1943 | 41 | Fluorite 41 Tonne | Arv53-1 P. 71 | 40 tons, 40.6 tonnes shipped | |
| 1944 | 23 | Fluorite 23 Tonne | Arv54-2 P.7 | 23 tons - 23.3 tonnes shipped |
Book - Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and southern Ontario, p. 83-84
Publication Number: MR39 Date: 1986
Author: A. P. Sabina
Publisher Name: GSC
Reference Location: Tweed RGO
Map - Precambrian Geology Wilberforce Area
Publication Number: P3526 Scale: 1:50 000 Date: 2003
Publisher Name: OGS
Book - Statistical Review, p.50
Publication Number: ARV28-1 Date: 1919
Author: T.W. Gibson
Publisher Name: ODM
Book - Mines of Ontario, p.115
Publication Number: ARV29-1 Date: 1920
Author: T.F. Sutherland
Publisher Name: ODM
Book - Mines of Ontario in 1943, p.71
Publication Number: ARV53-1 Date: 1944
Author: W.O. Tower
Publisher Name: ODM
Book - Mines of Ontario in 1944, p.7
Publication Number: ARV54-2 Date: 1945
Author: W.O. Tower
Publisher Name: ODM
Book - Mines of Ontario in 1944, p.5
Publication Number: ARV55-2 Date: 1946
Author: W.O. Tower
Publisher Name: ODM
Book - Fluorspar in Ontario, p.15-16
Publication Number: IMR012 Date: 1964
Author: G.R. Guillet
Publisher Name: ODM
Map - Cardiff and Faraday townships
Publication Number: M1957-1 Scale: 1:31 680 Date: 1957
Publisher Name: ODM
Book - Industrial minerals of the Algonquin Region, p.12, 91
Publication Number: OFR5425 Date: 1983
Author: W. Martin
Publisher Name: OGS
Map - Haliburton
Publication Number: M0052a Scale: 1:126 720 Date: 1943
Publisher Name: ODM
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