Skip to main content
Conference Proceedings

MASSMIN 2000

Conference Proceedings

MASSMIN 2000

PDF Add to cart

Open Stope Mining in Canada

Open stope mining is the most common mining method employed in underground, hard rock mines in Canada. It is characterised by relatively small, single lift stopes (20 000 to 100 000 tonnes), and fast stope turnaround times. Host wall rock mass conditions, which are typically poor to fair, are the controlling parameter in stope dimensioning. Rock mass stability is maintained by designing all stope surfaces at a stable dimension, and through extensive use of cablebolting for stope backs and frequently stope hanging walls. Dilution control is a high priority. The typically small, high-grade, deep and irregularly shaped orebodies are incrementally developed, usually in a bottom to top direction. In many cases, high stress is encountered due to the depth of the orebodies. Overstressing of pillars and hanging pillars are avoided through the use of pillarless or early pillar recovery mine sequencing strategies. Stopes are invariably filled, and in higher grade and wider orebodies, cemented fill is commonly used. This paper generalises many of the similarities found in Canadian open stope mines.
Return to parent product
  • Open Stope Mining in Canada
    PDF
    This product is exclusive to Digital library subscription
  • Open Stope Mining in Canada
    PDF
    Normal price $22.00
    Member price from $0.00
    Add to cart

    Fees above are GST inclusive

PD Hours
Approved activity
  • Published: 1999
  • PDF Size: 3.07 Mb.
  • Unique ID: P200007068

Our site uses cookies

We use these to improve your browser experience. By continuing to use the website you agree to the use of cookies.