Innovative criteria for economical exploitation of ornamental deposits applied the cut-off grade concept(Article)

Journal of Mining Science

Journal Article

An innovative methodology and mathematical model is developed to determine the cut-off grade of ornamental stone exploitation called cut-off quality, based on the balance between the present value and production process cost. These methodology and model is validated with excellent results in nepheline syenite quarry located in complex alkaline Monchique, Portugal. © 2010 Springer Science + Business Media, Inc.

V.F.N. Torres

C.D. Da Gama

M.C.E. Silva

X. Qiang


Year of publication: 2010


ISSN: 10627391


DOI: 10.1007/s10913-010-0024-7

Alternative Titles