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Abstract
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NexGen Energy Ltd. (NexGen) is a well-funded exploration and development company with a portfolio of high-impact projects across the Athabasca Basin. NexGen's 100%-owned Rook I Project (the Project) is situated in the southwestern Athabasca Basin and hosts the land-based Arrow deposit, a basement-hosted high-grade uranium deposit. The Rook I Project is currently being progressed through advanced engineering and permitting, with a Feasibility Study (FS) scheduled for submission in 2020. The current Indicated Mineral Resource estimate for the Arrow Deposit (NexGen, 2018) totals 2.89 Million (M) tonnes at an average grade of 4.03% triuranium octoxide (U3O8), containing 256.6 M lbs U3O8. The coinciding Inferred Mineral Resource estimate is 91.7 M lbs U3O8 contained in 4.84 M tonnes at an average grade of 0.86% U3O8. Based on the 2018 NI 43-101 Technical Report, the Probable Mineral Reserve estimate totals 234.1 M lbs U3O8 contained in 3.43 M tonnes at an average grade of 3.09% U3O8. The proposed processing plant will be capable of producing up to 31 M lbs of U3O8 per year, with a projected mine life of nine years based on the Indicated Mineral Resource estimate. The Rook I mine will be developed through transverse and longitudinal long-hole mining methods. Pairing primary and secondary stoping techniques with a high degree of equipment mechanization will provide a combination of good productivity, high extraction, and stable back support. This next generation of uranium operations combines the use of advanced tele-remote equipment and instrumentation with a low-cost bulk mining method and a best-in-class tailings management practice. The net effect is to maximize mine production while simultaneously reducing operating costs and setting a new standard for elite environmental practices with an Underground Tailings Management Facility (UGTMF).
NexGen Energy Ltd. (NexGen) is a well-funded exploration and development company with a portfolio of high-impact projects across the Athabasca Basin. NexGen's 100%-owned Rook I Project (the Project) is situated in the southwestern Athabasca Basin and hosts the land-based Arrow deposit, a basement-hosted high-grade uranium deposit. The Rook I Project is currently being progressed through advanced engineering and permitting, with a Feasibility Study (FS) scheduled for submission in 2020. The current Indicated Mineral Resource estimate for the Arrow Deposit (NexGen, 2018) totals 2.89 Million (M) tonnes at an average grade of 4.03% triuranium octoxide (U3O8), containing 256.6 M lbs U3O8. The coinciding Inferred Mineral Resource estimate is 91.7 M lbs U3O8 contained in 4.84 M tonnes at an average grade of 0.86% U3O8. Based on the 2018 NI 43-101 Technical Report, the Probable Mineral Reserve estimate totals 234.1 M lbs U3O8 contained in 3.43 M tonnes at an average grade of 3.09% U3O8. The proposed processing plant will be capable of producing up to 31 M lbs of U3O8 per year, with a projected mine life of nine years based on the Indicated Mineral Resource estimate. The Rook I mine will be developed through transverse and longitudinal long-hole mining methods. Pairing primary and secondary stoping techniques with a high degree of equipment mechanization will provide a combination of good productivity, high extraction, and stable back support. This next generation of uranium operations combines the use of advanced tele-remote equipment and instrumentation with a low-cost bulk mining method and a best-in-class tailings management practice. The net effect is to maximize mine production while simultaneously reducing operating costs and setting a new standard for elite environmental practices with an Underground Tailings Management Facility (UGTMF).
NexGen Energy's Rook I Project, Southwestern Athabasca Basin, Saskatchewan: The Next Generation of Uranium Operations
Troy Boisjoli
Troy Boisjoli
CIM ACADEMY. Boisjoli T. 10/14/2020; 309582; Topic: Metallurgy & Materials
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Troy Boisjoli
Abstract
Discussion Forum (0)
NexGen Energy Ltd. (NexGen) is a well-funded exploration and development company with a portfolio of high-impact projects across the Athabasca Basin. NexGen's 100%-owned Rook I Project (the Project) is situated in the southwestern Athabasca Basin and hosts the land-based Arrow deposit, a basement-hosted high-grade uranium deposit. The Rook I Project is currently being progressed through advanced engineering and permitting, with a Feasibility Study (FS) scheduled for submission in 2020. The current Indicated Mineral Resource estimate for the Arrow Deposit (NexGen, 2018) totals 2.89 Million (M) tonnes at an average grade of 4.03% triuranium octoxide (U3O8), containing 256.6 M lbs U3O8. The coinciding Inferred Mineral Resource estimate is 91.7 M lbs U3O8 contained in 4.84 M tonnes at an average grade of 0.86% U3O8. Based on the 2018 NI 43-101 Technical Report, the Probable Mineral Reserve estimate totals 234.1 M lbs U3O8 contained in 3.43 M tonnes at an average grade of 3.09% U3O8. The proposed processing plant will be capable of producing up to 31 M lbs of U3O8 per year, with a projected mine life of nine years based on the Indicated Mineral Resource estimate. The Rook I mine will be developed through transverse and longitudinal long-hole mining methods. Pairing primary and secondary stoping techniques with a high degree of equipment mechanization will provide a combination of good productivity, high extraction, and stable back support. This next generation of uranium operations combines the use of advanced tele-remote equipment and instrumentation with a low-cost bulk mining method and a best-in-class tailings management practice. The net effect is to maximize mine production while simultaneously reducing operating costs and setting a new standard for elite environmental practices with an Underground Tailings Management Facility (UGTMF).
NexGen Energy Ltd. (NexGen) is a well-funded exploration and development company with a portfolio of high-impact projects across the Athabasca Basin. NexGen's 100%-owned Rook I Project (the Project) is situated in the southwestern Athabasca Basin and hosts the land-based Arrow deposit, a basement-hosted high-grade uranium deposit. The Rook I Project is currently being progressed through advanced engineering and permitting, with a Feasibility Study (FS) scheduled for submission in 2020. The current Indicated Mineral Resource estimate for the Arrow Deposit (NexGen, 2018) totals 2.89 Million (M) tonnes at an average grade of 4.03% triuranium octoxide (U3O8), containing 256.6 M lbs U3O8. The coinciding Inferred Mineral Resource estimate is 91.7 M lbs U3O8 contained in 4.84 M tonnes at an average grade of 0.86% U3O8. Based on the 2018 NI 43-101 Technical Report, the Probable Mineral Reserve estimate totals 234.1 M lbs U3O8 contained in 3.43 M tonnes at an average grade of 3.09% U3O8. The proposed processing plant will be capable of producing up to 31 M lbs of U3O8 per year, with a projected mine life of nine years based on the Indicated Mineral Resource estimate. The Rook I mine will be developed through transverse and longitudinal long-hole mining methods. Pairing primary and secondary stoping techniques with a high degree of equipment mechanization will provide a combination of good productivity, high extraction, and stable back support. This next generation of uranium operations combines the use of advanced tele-remote equipment and instrumentation with a low-cost bulk mining method and a best-in-class tailings management practice. The net effect is to maximize mine production while simultaneously reducing operating costs and setting a new standard for elite environmental practices with an Underground Tailings Management Facility (UGTMF).

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