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United States
Nichols Ranch Operation (Hank Project, Jane Dough Project, Nichols Ranch Wellfields Mine)

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 Location:
17 km NE from Linch, Wyoming, United States

  Regional Office:
1701 East E Street
PO Box 50850
Casper
Wyoming, United States
82605
Phone  ...  Subscription required
Fax307-265-8904
WebsiteWeb
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Overview

StatusTemporary Suspension
Mine TypeIn-Situ
Commodities
  • Uranium
  • U3O8
Mining Method
  • Solution mining
Processing
  • Ion Exchange (IX)
Mine Life10 years (as of Jan 1, 2017)
Subject to any actions the Company may take in response to U.S. government actions or market conditions, the Company plans to extract and/or recover limited amounts of uranium from its Nichols Ranch Project in 2020, which was placed on standby in the first quarter of 2020 due to the depletion of its existing wellfields.


Owners & OPERATOR

Source: p. 40, 151
CompanyInterestOwnership
Energy Fuels Inc. 100 % Indirect
Uranerz Energy Corporation (operator) 100 % Direct
Energy Fuels Inc. indirectly owns 100% interest in the Nichols Ranch Project through it's wholly owned subsidiary Uranerz Energy Corporation.

Deposit Type

  • Sandstone


Summary:

The uranium mineralization is composed of amorphous uranium oxide, sooty pitchblende, and coffinite, and is deposited in void spaces between detrital sand grains and within minor authigenic clays. The host sandstone is composed of quartz, feldspar, accessory biotite and muscovite mica, and locally occurring carbon fragments. Grain size ranges from very fine- to very coarse sand but is medium-grained over all. The sandstones are weakly to moderately cemented and friable. Pyrite and calcite are associated with the sands in the reduced facies. Hematite or limonite stain from pyrite, are common oxidation products in the oxidized facies. Montmorillonite and kaolinite clays from oxidized feldspars are also present in the oxidized facies (Uranerz NRC Application, 2010).


Mining Methods

  • Solution mining


Summary:

The mineralized zones at the Nichols Ranch Unit, Jane Dough Unit and the Hank Unit will be divided into individual production areas where injection and recovery wells will be installed. As typical with the above mentioned commercial operations, the wells will be arranged in variations of 5-spot or 7-spot patterns. In some situations, a line-drive pattern or staggered line-drive pattern may be employed. Horizontal and vertical excursion monitor wells will be installed at each well field as dictated by geologic and hydro-geologic parameters, and as approved by the Wyoming Department of Environmental Quality - Land Quality Division and the United States Nuclear Regulatory Commission. The facilities will be constructed according to acceptable engineering practices.


Crushing and Grinding


Processing

  • Ion Exchange (IX)

Flow Sheet: Subscription required

Summary:

The Nichols Ranch Unit processing plant is licensed and designed to have three major solution circuits: 1) the recovery/extraction circuit, 2) the elution circuit, and typically 3) a yellowcake slurry production circuit. The Nichols Ranch Unit processing plant is currently constructed and operated with only the first solution circuit installed. Currently, Uranerz maintains a “Processing Agreement for Uranium Concentrates” (toll resin processing agreement) with Power Resources Inc., (d/b/a Cameco Resources), a wholly owned subsidiary of Cameco Corporation. This toll resin processing agreement allows for processing of solutions for second and third solution circuit at Cameco Resources’ Smith Ranch Highland facility.

The recovery/extraction circuit includes the flow of lixiviant from the wellfield to the sand filters, or directly to the ion exchange columns and back to the wellfield. The uranium, that is liberated underground, is extracted in the ion exchange system of the p ........


Production:

CommodityUnits202020192018201720162015
Uranium (U3O8) M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required0.30.30.3
All production numbers are expressed as U3O8. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20192018201720162015
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required2 M lbs of u3o82 M lbs of u3o8
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGradeContained Metal
Measured & Indicated 3,052 k tons U3O8 0.115 % 6,961 k lbs
Inferred 593 k tons U3O8 0.1 % 1,184 k lbs


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 4, 2020
....................... Subscription required ....................... Subscription required Subscription required Sep 4, 2020
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
Corporate Presentation 2017
Form 10-K 2017
Form 10-K 2016
Form 10-K 2015
Preliminary Economic Assessment 2015
Subscription required - Subscription is required.

Aerial view:

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