Sentence examples for ore zone from inspiring English sources

The radioactive minerals identified in the ore zone are pitchblende, coffinite and U Ti complex.

Typical thickness of the upper and lower ore zone is 6 14 m, with 23 55 m of phosphatic shales (middle waste shale) separating the two ore zones.[1, 2].

Ilgren (2004) summarized these results stating that "Only very rarely have non-asbestiform 'non-friable' amphibole (so-called cleavage fragment) minerals been found in the New Idria serpentine body but away from the ore zone".

The Phosphoria Formation contains two ore zones.

It exists in a variety of forms and is prevalent in numerous environments including hydrothermal ore zones, modern lake and ocean sediments, and sedimentary rocks [1 6].

The separation, identification and assessment of high-grade ore zones from low-grade ones are extremely important in mining of metalliferous deposits.

Crone Geophysics offers a full suite of EM sensors for both borehole and surface surveys, which are very useful in mine development and production applications, specifically for defining the boundaries and sizes of conductive ore zones (Crone Geophysics 2017).

Alteration zones with clay minerals or ore mineralisation in fractures are characterised well by electric resistivity.

The Stillwater igneous complex of Montana and the Roby zone ore body of the Lac des Îles igneous complex of Ontario are the two other sources of palladium in Canada and the United States.

As erosion extends the oxidized, or weathered, zone deeper, the primary (unaltered) zone is enriched by the metal from the oxidized supergene sulfides; in this way the primary ore may be enriched as much as tenfold: rich ores are made even richer, lean ores are made more valuable, and some ores too lean to be economic are upgraded enough to be workable.

This will demonstrate how RO can be used in designing multiple pits in multi-zone ore deposits to create a switching option between pits regarding changing ore grades and fluctuating commodity prices.