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Uranium Mine Ownership - Saskatchewan, Canada

(last updated 30 Mar 2012)

> for old mines, see Decommissioning Data - Canada

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SASKATCHEWAN

Saskatchewan Exploration and Development Highlights

Saskatchewan Mineral Deposit Index

Athabasca Basin Exploration Properties

(Exploration GIS)

Rabbit Lake Mine, Collins Bay Project, Eagle Point Project

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:	385 t U	8,846 t U		1,654 t U	4,000 t U
Ore grade:	0.44% U	0.64% U		0.45% U	1.2% U

Aerial view: Google Maps

[ISSUES] · [MORE ISSUES] · [DETAILS (CAMECO)]
Mineral Deposit Info: Rabbit Lake · Collins Bay A / B, D, E, F · Eagle Point / North / South
The mill is scheduled for a one-year temporary shutdown in the first quarter of 2001. In 2002, the mill will continue operation and process the residual ore from the Eagle Point deposit and 57% of the Cigar Lake ore.

Rabbit Lake Joint Venture

100% - CAMECO

Key Lake mine
Key Lake mill

Size: 269 t U (proven reserve, End 2011)
Ore grade: 0.44% U
[ISSUES] · [DETAILS: CAMECO

· COGEMA RES.

]
Mineral Deposit Info: Gaertner Orebody

· Deilmann Orebody

Aerial view: Google Maps

The ore deposits are mined out; the mill is processing ore from the McArthur River mine.

83.333% - CAMECO
16.667% - AREVA Resources Canada Inc.

Cluff Lake Mine, Dominique-Janine Extension Project

(shut down end 2002)
Size: depleted
Ore grade: 0.93% U
Aerial view: Google Maps

[ISSUES] · [MORE ISSUES] · [DETAILS: COGEMA RES. ]
Mineral Deposit Info: Cluff Lake D · OP Deposit · Dominique-Janine North/ Ext. · Dominique-Peter

100% - AREVA Resources Canada Inc.

Cigar Lake Mine Project

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:	44,192 t U	39,154 t U	269 t U	577 t U	47,846 t U
Ore grade:	18.9% U	12.9% U	1.4% U	2.3% U	10.7% U

> Download Technical Report Feb. 24, 2012: Cameco (9.9M PDF)

· SEDAR (17.4M PDF)

> Download Technical Report March 31, 2010: Cameco (8.5M PDF)

· SEDAR (8.6M PDF)

> Download Technical Report March 30, 2007: Cameco (7.4M PDF)

· SEDAR (4.6M PDF)

Aerial view: Google Maps

> Calculate Mine Feasibility

[ISSUES] · [DETAILS: CAMECO · COGEMA RES. ]
Mineral Deposit Info: Cigar Lake
57% of the Cigar Lake ore is to be milled at the Rabbit Lake mill. The remainder is to be milled at McClean Lake.

Cigar Lake Mining Corp - CLMC

50.025% - CAMECO
37.1% - AREVA Resources Canada Inc.
7.875% - Idemitsu Uranium Exploration Canada Ltd
5% - Tepco Resources Inc.

Dawn Lake deposit

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:				4,962 t U
Ore grade:				1.43% U

[ISSUES]
Mineral Deposit Info: Dawn Lake Zone 11

· Dawn Lake Zone 14

High grade ore discovered at La Rocque Lake claim (Cameco release Oct 5, 1999

)

Dawn Lake joint venture

Tamarack deposit

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:				6,885 t U	385 t U
Ore grade:				3.7% U	0.86% U

Dawn Lake joint venture

McArthur River Mine

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:	85,615 t U	39,000 t U	3,500 t U	24,615 t U	33,231 t U
Ore grade:	18.7% U	9.4% U	4.7% U	21.5% U	8.2% U

> Download Technical Report Feb. 16, 2009: Cameco (8.6M PDF)

· SEDAR (M PDF)

Aerial view: Google Maps

[ISSUES] · [OLDER ISSUES]
Mineral Deposit Info: McArthur River
The ore from the McArthur River mine is processed at the Key Lake mill.

McArthur River joint venture

69.805% - CAMECO
30.195% - AREVA Resources Canada Inc.

McClean Lake Mine
McClean Lake Mill

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:	280 t U		2,561 t U	2,365 t U	156 t U
Ore grade:	0.30% U		3.1% U	1.7% U	0.98% U

> Download Technical Report Feb. 23, 2006 (9.1M PDF)

(SEDAR)

McClean North Deposit

Mar. 6, 2007 Reserves Resources

proven probable measured indicated inferred

Size: 4,415 t U 21 t U

Ore grade: 2.4% U 0.63% U

> Download Technical Report Jan. 31, 2007: Denison · SEDAR (3.7M PDF)

Mineral Deposit Info: JEB · McClean North / South / Sue / Caribou
Aerial view: Google Maps

[ISSUES] · [OLDER ISSUES] · [DETAILS: COGEMA RES. ]
The mill is to process the Midwest ore and 43% of the Cigar Lake ore.

McClean Lake joint venture

Midwest Project

End 2011	Reserves		Resources
End 2011	proven	probable	measured	indicated	inferred
Size:				2,227 t U	1,662 t U
Ore grade:				0.48% U	18.7% U

"Other Mineral Resources"

End 2011 Reserves Resources

proven probable measured indicated inferred

Size: 14,113 t U

Ore grade: 2.2% U

> Download Technical Report Feb. 23, 2006 (12.5M PDF) (SEDAR)
Mineral Deposit Info: Midwest
Aerial view: Google Maps

> Calculate Mine Feasibility
[ISSUES] · [DETAILS: COGEMA RES. ]
The ore is to be milled at McClean Lake.

Midwest A deposit

(formerly Mae Zone)

End 2010	Reserves		Resources
End 2010	proven	probable	measured	indicated	inferred
Size:				2,227 t U	1,662 t U
Ore grade:				0.48% U	18.1% U

> Download Technical Report Jan 31, 2008 (4.7M PDF)

(SEDAR)

Midwest Joint Venture

69.16% - AREVA Resources Canada Inc.
25.17% - Denison Mines Ltd. (through Tenwest Uranium Ltd.)
5.67% - OURD (Canada) Co. Ltd.

Midwest North East deposit

Roughrider deposit

West Zone
May 17, 2011	Reserves		Resources
May 17, 2011	proven	probable	measured	indicated	inferred
Size:				6,618 t U	4,078 t U
Ore grade:				1.68% U	9.35% U
East Zone
Size:					11,588 t U
Ore grade:					9.82% U