Slide 1: 2010 Technical Report for the Grease River Project, Saskatchewan
2010 TECHNICAL REPORT FOR THE GREASE RIVER PROJECT, SASKATCHEWAN FOR CANALASKA URANIUM LTD . Prepared by Peter Daubeny, M.Sc., P.Geo May 2010 SUMMARY The Grease River Project is centred approximately 50 kilometres north-northeast of the settlement of Fond du Lac in north central Saskatchewan. The pr
Slide 2: Grease River project area location
1. Grease River project area location. 3.0 Access, Climate, Topography and Infrastructure The Grease River property is located approximately 800 kilometres north of Saskatoon, 35 kilometres northwest of the settlement of Stony Rapids and 10 kilometres northeast of the settlement of Fond du Lac. Ston
Slide 3: Historical mineral occurrences on regional total magnetic field
2. Historical Mineral occurrences on regional total magnetic field. Since the completion of the SMDC study in 1980, exploration in the Grease River Project area appears to have been limited to a single programme targeting tantalum and REE’s conducted by Leader International Mining (2001). The Geolog
Slide 4: Grease River Project area regional geology
3. Grease River Project area regional geology. 5.2 Property Geology The majority of the Central and Eastern claim blocks of the Grease River project area are underlain by the Train Lake and Tantato Domains and Train Lake, Tantato and Dodge domains respectively with a sliver of the Beaver Lodge Domai
Slide 5: Unconformity associated uranium deposit models
4. Unconformity associated uranium deposit models. Beaverlodge District Vein Hosted Uranium Deposits The Beaverlodge District (centred on Uranium City) is located 100 km west of the Grease River project area. This district produced approximately 65.6 million pounds of U 3 O 8 from ore averaging appr
Slide 6: Grease River Project target areas
5. Grease River Project target areas.
Slide 7: East Block geology and sample locations
6. East Block Geology And Sample Locations.
Slide 8: East Block sample locations detail centre
7. East Block Sample Locations Detail Centre
Slide 9: East Block sample locations detail south
8. East Block Sample Locations Detail South. 7.1 East Claim Block 7.1.1 Fontaine Lake North The Fontaine Lake North target covers a large uranium radiometric anomaly that is the signature of a quartz monzonite-granodiorite to granite of the Train Domain, a strong high magnetic field gradient and an
Slide 10: U/K radiometric anomaly and rock samples, East Addie Lake area
9. U/K Radiometric Anomaly And Rock Samples, East Addie Lake Area. 7.1.4 Northeast Davenport Lake The North East Davenport Lake target is located in the central portion of the East Claim Block and covers a small piece of a long linear magnetic feature and the Tait Lakes radiometric anomaly. Table 5
Slide 11: Equivalent uranium map of the Central and East Blocks
10. Equivalent Uranium Map Of The Central And East Blocks 7.1.6 Southwest Tait Lake The Southwest Tait Lake target area occurs in the same geologic setting as the North Tait Lake target area and Table 7 lists anomalous rock samples collected from this target area. The area has been well covered and
Slide 12: Hematite and limonite alteration in the Bradley Shear
11. Hematite And Limonite Alteration In The Bradley Shear.
Slide 13: Lineaments in the Bradley Shear showing area
12. Lineaments In The Bradley Shear Showing Area. 7.2 Central Claim Block The geology of the Central Claim block is dominated by the Shearika Ridge Pluton, which is a large quartz-monzonite intrusion that has been mapped on surface and traced from its magnetic signature as underlying much of the eas
Slide 14: Central Claim Block geology and sample locations
13. Central Claim Block Geology And Sample Locations. 7.2.1 Shearika Ridge The Shearika Ridge target area covers the contact between the Shearika Ridge Pluton and surrounding metasediments; and extends approximately six kilometres from the north corner of the Central Claim Block south-southwest to t
Slide 15: Shearika Ridge uranium oxide on weakly hematite altered granite
14. Shearika Ridge uranium oxide on weakly hematite altered granite.
Slide 16: Shearika Ridge North sample locations
15. Shearika Ridge North Sample Locations. Figure 16 shows a plot of the vertical derivative magnetic field for a portion of the Eastern Block. The contact between the Shearika Ridge intrusion and surrounding metasediments shows up as a pronounced change in gradient in the area of the Shearika Ridge
Slide 17: Shearika Ridge 1st vertical derivative magnetic field
16. Shearika Ridge 1st Vertical Derivative Magnetic Field.
Slide 18: Shearika Ridge - Melenchuk Lake U/K radiometric anomaly
17. Shearika Ridge - Melenchuk Lake U/K radiometric anomaly.
Slide 19: Shearika Ridge South sample locations
18. Shearika Ridge South Samples Locations 7.2.2 Intrusion The Intrusion Target covers a portion of the interior of the Shearika Ridge Pluton. A single traverse made across this area revealed no significant alteration, structures or mineralization and no further work is planned. 7.2.3 Grease River T
Slide 20: West Claim Block geology and sample locations
19. West Claim Block geology and sample locations. 7.3.1 Stolar Lake REE’s and uranium The Stolar Lake target area is located in the south-eastern corner of claim block and covers the area where several pitchblende bearing pebbles were recovered from biotite-rich soil ; one of which returned 55.06%
Slide 21: West Block uranium radiometrics and sample results
20. West Block uranium radiometrics and sample results. 8.0 Exploration CanAlaska Uranium Ltd. conducted exploration on the Grease River claim blocks during the summer field seasons of 2007 and 2008. The 2007 programme consisted of airborne magnetic, XDS VLF-EM and gamma ray spectrometer surveys, la
Slide 22: Block A Total Magnetic Intensity
21. Block A Total Magnetic Intensity.
Slide 23: Block A VLF XDS Line Component
22. Block A VLF XDS Line Component.
Slide 24: Block A Total Count, Potassium, Uranium and Thorium
23. Block A Total Count, Potassium, Uranium And Thorium.
Slide 25: Block B Total Magnetic Intensity
Figure 24. Block B Total Magnetic Intensity.
Slide 26: Block B VLF XDS Line Component
25. Block B VLF XDS Line Component.
Slide 27: Block B Total Count, Potassium, Uranium and Thorium
26. Block B Total Count, Potassium, Uranium And Thorium.
Slide 28: Block C Total Magnetic Intensity
27. Block C Total Magnetic Intensity.
Slide 29: Block C VLF XDS Line Component
28. Block C VLF XDS Line Component.
Slide 30: Block C Total Count, Potassium, Uranium and Thorium
29. Block C Total Count, Potassium, Uranium And Thorium. 8.2 Lake sediment sampling The Grease River Project 2007-2008 exploration programme included the collection of 384 sake sediment samples. Samples were collected in selected areas of the Eastern Claim Block to verify extremely high uranium valu
Slide 31: Lake Sediment Sampling Eastern Claim Block
30 : Lake Sediment Sampling Eastern Claim Block
Slide 32: Lake Sediment Sampling Central Claim Block
31: Lake Sediment Sampling Central Claim Block
Slide 33: Lake Sediment Sampling Central Claim Block
32: Lake Sediment Sampling Central Claim Block 8.3 Soil Sampling Exploration conducted in 2007 included the completion of a soil sample programme designed to confirm very high uranium in soil values detected during historical work and to extend soil sample coverage to other prospective areas. Table
Slide 34: Appendixes
16.0 Appendixes APPENDIX 1 : List of assessment reports documenting historical work in the Grease River Project area. Assessment report number Year Work performed Reports covering work on ground now on CanAlaska claim blocks 74O-0008 Prospecting, mapping, trenching+lake sediment, rock and overburden
Slide 35: Area of uraniferous lake sediments from Roy and Earle (1980)
Figure 1: Area of uraniferous lake sediments from Roy and Earle (1980).
Slide 36: Isopach map of uranium rich organic sediment, North Tait Lake
Figure 2. Isopach map showing thickness of uranium rich organic sediment in the North-East bay of North Tait Lake.
Slide 37: Conceptual flow sheet of plant to recover uranium from lake sediments
Figure 3. Conceptual flow sheet of plant designed to recover uranium from lake sediments.