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Uranium Mine Ownership - Saskatchewan, Canada

(last updated 31 Dec 2020)

> for old mines, see Decommissioning Data - Canada

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> See also Issues for: New Mining Projects · Operating Mines · Decommissioning Projects · Legislation & Regulations
> See also Data for: Old Mines and Decommissioning (NWT)

> Explanation of Signs and Symbols

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

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:				14,847 t U	12,963 t U
Ore grade:				0.81% U	0.53% 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

Rabbit Lake Joint Venture

100% - CAMECO

Key Lake mine
Key Lake mill

Size: 269 t U (proven reserve, Dec. 31, 2019)
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

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:	34,426 t U	31,926 t U	846 t U	38,195 t U	9,155 t U
Ore grade:	13.14% U	11.79% U	7.24% U	12.43% U	5.02% U

(Resources don't include amounts identified as Reserves)

> Download Technical Report Mar. 29, 2016: Cameco (9.8MB PDF) · SEDAR (22.8MB PDF)
> 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] · [OLD 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 2019	Reserves		Resources
End 2019	proven	probable	measured	indicated	inferred
Size:				6,886 t U	396 t U
Ore grade:				3.75% U	0.87% 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

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:				6,885 t U	385 t U
Ore grade:				3.75% U	0.84% U

Dawn Lake joint venture

McArthur River Mine

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:	123,164 t U	27,579 t U	2,116 t U	1,539 t U	1,000 t U
Ore grade:	6.05% U	5.12% U	2.18% U	1.80% U	2.42% U

(Resources don't include amounts identified as Reserves)

> Download Technical Report Mar. 29, 2019: Cameco (3MB PDF) · SEDAR (3MB PDF)
> Download Technical Report Nov. 2, 2012: Cameco (12M PDF) · SEDAR (12M PDF)
> Download Technical Report Feb. 16, 2009: Cameco (8.6M PDF) · SEDAR (M PDF)

> Calculate Mine Feasibility

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.

Read Lake property

Fox Lake deposit

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:					26,194 t U
Ore grade:					6.77% U

78.24% - CAMECO
21.76% - AREVA Resources Canada Inc.

McClean Lake Mine
McClean Lake Mill

Ore Stockpile

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:	275 t U
Ore grade:	0.31% U

Caribou, Sue D, Sue E deposits

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:				2,154 t U	2,885 t U
Ore grade:				1.31% U	0.57% U

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

(SEDAR)

McClean North Deposit

Dec. 31, 2019 Reserves Resources

proven probable measured indicated inferred

Size: 4,770 t U 38 t U

Ore grade: 2.37% U 0.67% 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

Midwest Main deposit

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:				15,347 t U	4,423 t U
Ore grade:				3.39% U	0.56% U

> Download Technical Report Mar. 26, 2018 (9.9MB PDF) (SEDAR)
> 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)

Dec. 31, 2019	Reserves		Resources
Dec. 31, 2019	proven	probable	measured	indicated	inferred
Size:				4,154 t U	2,577 t U
Ore grade:				0.74% U	4.92% U

> Download Technical Report Mar. 26, 2018 (9.9MB PDF) (SEDAR)
> 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
Oct. 23, 2019	Reserves		Resources
Oct. 23, 2019	proven	probable	measured	indicated	inferred
Size:				6,619 t U	4,078 t U
Ore grade:				1.68% U	9.35% U
East Zone
Size:					11,589 t U
Ore grade:					9.82% U