Coal mined from the Middle Kittanning No.6 coal seam.

Mining metod: Room & Pillar

Tusky Preparation Plant:
- Raw feed - 300 ton-per-hour
- Product Ash % - 8.50%
- Quality - 2.75
- Type of plant - Heavy Media
- Primary Separ. - HM Cyclones
- Fine Coal - Spiral
- Centrifugal Dryer
- Controls - Programmable logic controller
- Construction year 2008
- Not Upgrade

Preparation Plant circuitry includes a heavy media cyclone (HMC) circuit for the 50mm x 1mm size fraction and spiral circuits for both the 1mm x 0.15m and 0.15mm x 0.05mm size fractions.

The HMC circuit consists of one each: single deck banana deslime screen, HMC sump and pump, HMC, clean coal drain and rinse screen and refuse drain and rinse screen. The clean coal screen is a double deck banana screen, modified to produce a stoker product from the HMC clean coal. The clean coal is dewatered in a horizontal vibratory centrifuge prior to exiting the plant on the clean coal collecting conveyor. The minus 1mm size fraction is further classifi ........