ilmenite

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  • noun

Words related to ilmenite

a weakly magnetic black mineral found in metamorphic and plutonic rocks

References in periodicals archive ?
Ilmenites represent a ternary solid solution of FeTi[O.
Ilmenites rimmed by titanite similar to amphibolites from the Chynov area in their texture, have been reported from felsic orthogneisses (Tropper and Hoinkes, 1996; Harlov and Forster, 2002; Harlov and Hansen, 2005; Harlov et al.
Both alkali and tholeiitic basalts contain chromite as an early crystallizing phase, and form magnetite and/or ilmenite over a large range of temperatures.
After splitting of these grains to a representative fraction, 40 garnet grains, 12 chrome diopside grains and 50 ilmenite grains were mounted for electron microprobe analysis:- these are marked as the RC set.
The mineral chemistry of the ilmenite suite indicates a reduced environment with a good to excellent potential for diamond preservation, with low resorption.
In the southeast part of the Kashiji Plain, where previous work has resulted in the recovery of anomalous diamond and kimberlitic ilmenites, followup sampling and ground magnetic surveys were carried out to identify potential drill targets.
Two principal diamond indicator mineral trains have been identified by prior exploration on the property; the Wheeler Lake and Bessonette trains are defined by G-10 garnets, ilmenites and chromites that are chemically compatible with the diamond stability field.
inclusion compositions as well as Ti chromites, Mn ilmenites,
Significant quantities of pyrope garnets, ilmenites and chromites have been observed from the northern part of the permit area which is interpreted to be of kimberlitic origin.
Two principal diamond indicator mineral trains, the Wheeler Lake and Bessonette Lake trains that are defined by G-10 garnets, ilmenites and chromites chemically compatible with the diamond stability field, have been identified by prior exploration on the property.
Kimberlitic indicator minerals have been successfully recovered from many of the samples, and although electron microprobing is not yet complete, it has confirmed the kimberlitic provenance for a number of grains, including 250 ilmenites in a single sample.