- SMDI #
- 0689
- Current Showing Name
- Proposed Pipestone Limestone Mine or Pinehouse Limestone Bed or Missi Limestone Deposit; WU5 Limestone Zone; Sleeping Giant Lime Deposit;
- Historical Showing Names
- Proposed Pipestone Limestone Mine or Pinehouse Limestone Bed or Missi Limestone Deposit; WU5 Limestone Zone; Sleeping Giant Lime Deposit;
- Company Name
- Project Name
- UTM Easting (NAD83 Z13)
- 383521.2100
- UTM Northing (NAD83 Z13)
- 6138461.7600
- NTS Sheet
- 073O07
- TRM (Township-Range-Meridian)
- 74-06-3
- Primary Commodities
- Limestone
- Associated Commodities
- Discovery Type
- Drillhole
- Status
- Deposit: Advanced Exploration
- Geological Details
- The Pinehouse Limestone Deposit is located 250 km (155.3 miles) north of Prince Albert, Saskatchewan and 35 km (21.7 miles) south of the village of Pinehouse Lake. The deposit occurs in the NE Quarter of Section 36, Township 73, Range 6W3 near a prominent bend of the Massinahigan River.
The limestone body which constitutes this deposit or the Middle Devonian Winnipegosis Formation is covered by 13 to 18 m (42.7 to 59.1 ft) of glacial deposits (clay and limestone and dolomite boulders). At the deposit, the Winnipegosis Formation, which averages 18 m (59.1 ft) in thickness, is split into 6 units:
Unit 0 DOLOMITIC LIMESTONE: light brownish grey, laminated to thinly
bedded, medium hard. 70%+ dolomite, 25% calcite, 5% silt.
Unit 1 DOLOMITE: medium brown, microsucrosic to sucrosic, laminated
to thinly bedded, medium hard. 95%+ dolomite, 5% silt.
Unit 2 DOLOMITE GRADING TO DOLOMITIC LIMESTONE: light brownish grey,
microcrystalline, laminated to thinly bedded, medium hard.
50%+ dolomite, 45%+ clacite, 5% silt/organics.
Unit 3 DOLOMITIC LIMESTONE: light brownish grey to grey, vuggy, medium
hard, microcrystalline to microsucrosic, fossiliferous. 10-20%+
dolomite, 89-79%+ calcite, 1% silt/organics.
Unit 4 LIMESTONE: medium brownish grey, cryptocrystalline, laminated
abundant organic matter, hard. 1-2%+ dolomite, 95%+ calcite,
2-4% organic matter.
Unit 5 LIMESTONE: light grey, cryptocrystalline, laminated to thinly
bedded, abundant bioclastic matter, hard. 1-2%+ dolomite, 97%+
calcite, 1-2% silt/organics.
This sequence of rocks were deposited in a shallow, nearshore environment close to the northeast margin of the Elk Point Basin. Unit 5 rests on a 0.5 m (1.6 ft) thick claystone bed which corresponds to the Ashern Formation. The Ashern Formation is underlain by hard, argillaceous dolomites of the Meadow Lake Formation.
Of the Winnipegosis Formation units which form this deposit, only units 4 and 5 are high CaCO3. Unit 5 is relatively clean (free of organic material and pyrobitumen) and averages 90% CaCO3. Units 4 and 5 are present as a subhorizontal, slightly southeast-dipping tabular body which is open along strike and down dip. The tabular body thins slightly to the northeast. Unit 5 , which averages 3.29 m (10.8 ft) in thickness, occurs at an average depth of 30.4 m (99.7 ft).
MEADOW LAKE 2003-2004 TEST RESULTS:
__________________________________
Sampling in 2003 to 2004 (176 samples) have a close correlation with the 2002 drill sample results - the Pinehouse Bed has an average of 98.3% CaCO3 and 3.1% MgCO3 and the Winnipegosis Bed has an average of 91.7% CaCO3 and 1.5% MgCO3. The dry bulk density of the Pinehouse Bed varies from 2.38 to 2.63 and the Winnipegosis Bed varies from 2.43 to 2.56. Petrographics describe both the Pinehouse Limestone Bed and the Winnipegosis Unit 5 Bed as monomineralic limestone that contains 99% calcite.
The Pinehouse Bed Limestone is a high grade, hard burning limestone that produces a lime of high reactivity. The lime is high quality in terms ofhydration reactivity. Thermal and mechanical breaking characterisiics are poor. The lime achieves a 40°C temperature rise. The available CaO is 91.83%. The CaO likely meets industry Standards.
The Winnipegosis Unit % Bed is a high grade normal burning limestone that produces a lime with medium reactivity.Thermal and mechanical breakage characteristics are average to fair. The lime was unable to achieve a 40°C hydrate temperature rise. The available CaO is 70% to 80%. CO2 and hydrocarbon were produced in the calcination process due to the persence of organic material. The CaO likely does not meet industry standards.
Both limestones generate undesirable fines during calcination - they are not suited for processing in preheater or kiln shafts. A long rotary kiln with no preheater would be best.
- Geological Domain
- Battlefords
- Host Rocks
- Host Minerals
- Indicators
- Exploration History
- 6/27/1988 In 1978, V. Studer staked the CP 1 to 45 claims immediately around the bridge over the Massinahigan River at mile 46 on the Pinehouse Road (AF 73O07-0006). The l977 Industrial Minerals Drill Program report of L. Fuzesy was the basis for the staking (drill hole DMR Smoothstone 12-77). In 1978, Canadian Occidental Petroleum Ltd. Completed 2 drill holes approximately 1 mile east of the showing on MPP 1015 (AF 73O02-0003). No significant mineralization was intersected.
The claims were staked for Carbonate Processors Ltd. And were optioned almost immediately by Missi Island Mines. Follow-up drilling has confirmed a l4.2 ft (4.3 m) minable Devonian limestone bed with proven and probable reserves at l2 million tons.
In 1978, Missi Island Mines Prospecting Permit No. 8 covered the showing. In this year, Missi completed a refraction seismic survey and 18 drill holes (AF 73O07-0002, 0003). Kilborn Engineering completed a capital cost study of mining the deposit for use in calcinating (AF 73O07-0001).
In 1979, Missi Island Mines had TMMC complete mine access and mine feasibility studies and an environmental review (AF 73O07-0004).
On April 14, 1981 Missi Permit No. 8 expired and Carbonate Processors converted portions of the land to Y-6416, Y-6419 and Y-6420. Between 1981 and 1982, Missi Island Mines reviewed the project as a source of calcinated limestone for a wood fired kiln (AF 73O07-0005). At this time, the deposit reserves were reported.
In 1992, Robo Management Company Ltd. Acquired an exploration permit over the showing. In the same year, B. Mamchur the principal of Sleeping Giant Lime re-examined the old Missi Island Mines cores. In 1993, Sleeping Giant Lime Ltd. Was incorporated in Saskatchewan to explore and possibly develop the deposit on quarry claim No. Y-7711.
In 1993, a 10 hole drill program was completed. At the end of the study, Kilborne Western Inc. estimated the deposit reserves for Unit 5 (the highest grade unit).
In 2002, Pinehouse Business Development Inc. staked the Missi Island or Missi deposit and the nearby Sleeping Giant Lime deposit using 36 leases. Between 2002 and 2003, they completed 18 holes on the Missi deposit. This work further delineated high grade material in the Devonian Meadow Lake Formation (Missi Deposit) and in the lowermost Winnipegosis Formation (WU5 Zone). In 2004, Cameco tested 75 kg samples from the 2002 drill program (both WU5 Zone and Pinehouse Limstone Bed) at Key Lake. Key Lake Mine tests in 2004 found the material suitable for neutralizing waste water.
Between 2003 and 2004, Pinehouse Business Development completed 15 drill holes (MIS04-03 to MIS17-03, MIS 15A-03) and took 5 bulk samples in an effort to evaluate the Missi Deposit Pinehouse Bed and the Winnipegosis Unit 5 limestone quality (AF 73O07-SW-0008). The resulting reserves calculations for the Missi Deposit Pinehouse Bed and the Winnipegosis Unit 5 Bed are given. Five bulk samples (78.1 kg) were converted to lime (75.8 kg) and this was sent to Key Lake Mine for testing.
- Production History
- Reserves and/or Resources
- 2004-01-01
The Pinehouse Limestone Bed portion of the Missi Limestone Deposit contains 11.3 m tonnes with an average grade of 98% CaCo3 (Devonian Meadowlake Formation).
The WU5 Zone (located 16 m below the Pinehouse bed in the Lower Winnipegosis Formation) contains a further 3.7 Mt grading 91.6% CaCO3.
Summary:
Devonian Meadowlake Formation: Historic reserve (unspecified) of 11,300,000.00 tonne
- Limestone: 11,300,000.00 tonne @ 98 %
Lower Winnipegosis Formation: Historic reserve (unspecified) of 3,700,000.00 tonne
- Limestone: 3,700,000.00 tonne @ 91.6 %
2003-01-01
Pinehouse Limestone Bed:
An indicated mineral resource of 11.3 million tonnes with an average grade of greater than 96% CaCO3 plus an additional inferred reserve of 1.9 million tonnes grading greater than 96% CaCO3. (top of bed is 49.4 m below surface at the north end and 79.6 m deep at the south end).
Winnipegosis Unit 5 (WU5):
Indicated resource of 3.7 million tonnes grading greater than 91% CaCO3 plus an additional inferred resource of 750,000 tonnes grading greater than 91% CaCO3. (The bed has an average thickness of 3.0 m. The unit is31.9 m below surface at the north end and at a depth of 63.0 m at the south end). This bed sits 16 m above the Pinehouse Bed.
Summary:
Winnipegosis Bed: Indicated Mineral Resource of 3,700,000.00 tonne
- Limestone: 3,700,000.00 tonne @ 91 %
Winnipegosis Bed: Inferred Mineral Resource of 750,000.00 tonne
- Limestone: 750,000.00 tonne @ 91 %
Pinehouse Lst Bed: Inferred Mineral Resource of 1,900,000.00 tonne
- Limestone: 1,900,000.00 tonne @ 96 %
Pinehouse Lst Bed: Indicated Mineral Resource of 11,300,000.00 tonne
- Limestone: 11,300,000.00 tonne @ 96 %
1993-01-01
Summary:
Historic reserve (unspecified) of 2,576,000.00 tonne
- Limestone: 2,576,000.00 tonne
1982-01-01
12 million tons of limestone present as a 14.2 ft (4.3 m) thick bed of limestone.
Summary:
Historic reserve (unspecified) of 12,000,000.00 ton
- Limestone: 12,000,000.00 ton