Skip to main content
Conference Proceedings

Sixth International Mining Geology Conference

Conference Proceedings

Sixth International Mining Geology Conference

PDF Subscribe Add to cart

Mineral Resource Classification - It's Time to Shoot the 'Spotted Dog'!

Classification of mineral resource estimates is one of the most important responsibilities of the Competent Person. In recent years, classification decisions have been driven more by the detailed block-by-block attributes generated by the now widely applied geostatistical estimation methods, and less by a general geological overview. This is increasingly resulting in spotted dog' outputs, in which blocks of Inferred Resources or unclassified material separate blocks of Measured and/or Indicated Resources, or individual drill holes are surrounded by annuli of Measured and Indicated Resource blocks. Not only are such outputs potentially misleading, since they ignore fundamentals such as continuity of geology and mineralisation between drill holes and the imprecise nature of resource estimation, they can also cause substantial problems for engineers undertaking mine designs and estimating ore reserves, particularly for underground mines. Competent Persons for mineral resources must keep in mind the purpose of their work, and should use their experience and judgement to avoid or smooth out spotted dog' classifications, providing a result commensurate with the level of geological and resource estimation confidence. For their part, ore reserve Competent Persons must understand the resource estimation and classification process, and should question resource classifications that are not consistent with the level of geological and resource estimation confidence._x000D_
FORMAL CITATION:Stephenson, P R, Allman, A, Carville, D P, Stoker, P T, Mokos, P, Tyrrell, J and Burrows, T, 2006. Mineral resource classification - it's time to shoot the spotted dog'! in Proceedings Sixth International Mining Geology Conference, pp 91-96 (The Australasian Institute of Mining and Metallurgy: Melbourne).
Return to parent product
  • Mineral Resource Classification - It's Time to Shoot the 'Spotted Dog'!
    PDF
    This product is exclusive to Digital library subscription
    Subscribe
  • Mineral Resource Classification - It's Time to Shoot the 'Spotted Dog'!
    PDF
    Normal price $22.00
    Member price from $0.00
    Add to cart

    Fees above are GST inclusive

PD Hours
Approved activity
  • Published: 2005
  • PDF Size: 0.396 Mb.
  • Unique ID: P200606011

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.