accessory mineral


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accessory mineral

[ak′ses·ə·rē ‚min·rəl]
(mineralogy)
A minor mineral in an igneous rock that does not affect its general character.
References in periodicals archive ?
Fluorapatite, zircon, Nb-Ta-Ti oxides, xenotime-(Y) and monazite-(Ce) are rare accessory minerals.
Poitrasson F, Hanchar JM, Schaltegger U (2002) The current state and future of accessory mineral research.
The use of epigenetic interlayer solution of some accessory minerals for establishing the time of formation of oil deposits // Epigenesis and its mineral indicators / A.
Accessory minerals are andalusite, zircon, apatite, ilmenite, xenotime, monazite, rare sphene and garnet.
Magnetite, pyrite and apatite are ubiquitous accessory minerals.
Granites of both the suits are persistent in containing certain favorable accessory mineral especially zircon, sphene, apatite and also alanite and epidote in Nagar Parkar.
Physicochemical and crystal-chemical controls on accessory mineral paragenesis in granitoids: implications for uranium metallogenesis.
Cassiterite is a rare accessory mineral at the Nikolaevskiy mine.
Botryoidal native arsenic is found rarely as an accessory mineral to the late sulfide vein assemblage.
It is worth noting as an accessory mineral, and is usually present in crudely formed microcrystals with a dull purplish to blackish appearance.
Ankerite occurs as a relatively common minor accessory mineral, usually as small (about 1-mm), beige to pinkish colored rhombic crystals.

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