Fault – A fracture or a fracture zone in crustal rocks along which there has been displacement of the two sides relative to one another parallel to the fracture. The displacement may be a few inches or many miles long.

 

Feasibility Study – A technical and economic study which demonstrates the technical and economic viability of a mining project to within a range of accuracy of 15% and to an appropriate degree of detail such that a decision for proceeding to the project development stage may be made without substantive revision to either scope or scale.

 

Ferritic Stainless Steel – Stainless steel which is nickel free.

 

Ferrochrome – A finishing material which contains about 70% chromium alloyed with iron.

 

Fine Chromite – The lower size fraction of the chromite product produced from the concentrator.

 

Floats – Fractions with a defined upper limit of specific gravity and so described.

 

Flux – Any chemical or rock added to an ore to assist in its reduction by heat.

 

Footwall – The part of the country rock that lies below the ore deposit.