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  • noun

Words related to aplite

light-colored and fine-grained granitic rock consisting chiefly of quartz and feldspars

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References in periodicals archive ?
23 m intersection mentioned above, also within an aplite dyke swarm.
The Wiborg rapakivi granite batholith consists of five granite types: wiborgite, pyterlite, even-grained granite, porphyritic granite, and porphyry aplite (Fig.
EL7711 encompasses much of the central part of the Rockvale Adamellite which hosts silver-gold-antimony-arsenic mineralisation both at its margin and within the intrusion on northeast/northwest fracture zones, possibly associated with aplite dykes.
I haven't had it checked, but I am assuming that the rock is of a quickly cooled granitic type, possibly aplite because of the fine crystal size.
Mineralization included quartzcalcite-pyrite-chalcopyrite-bismuthinite veinlets associated with an aplite dike in sericite-altered granodiorite.
The mineralization is associated with quartz-tourmaline veins and aplite dykes that intrude mafic metavolcanic rocks of the Yukon-Tanana Terrane.
These zones of secondary albite, previously been referred to as albitic aplite (Hutchinson 1982; Hughes 1995), are locally pervasive and such areas are preferentially enriched in Ta-Nb and phosphate minerals (Kontak 2004).
Biotite in the A-type Graniteville Granite was locally concentrated during aplite formation, resulting in schlieren.
Surface samples include up to 19 g/t Au in tourmalinized aplite and quartz stockworks.
Aplite dykes are common throughout the unit, and are represented by sample R020.
USS is a leading supplier of high quality silica sand and aplite for the oil and gas (frac), glass, foundry, chemical, recreational and construction industries, ground silica for the textile fiberglass and other industries and fine ground silica and kaolin clay products for the paint, plastic and ceramic industries.
0x20 Colt's results to date indicate that (similar to Casas Novas and Chamine), mineralization appears to be associated with several shallow dipping aplite and mafic intrusive units within the broader shear corridor.
Dykes and sills associated with the stocks comprise dioritic feldspar porphyry, granite porphyry, gabbro, and aplite (Quatermain 1981; Woods 1993).
It is the leading producer of high quality ground and unground silica sand, kaolin clay, aplite and related industrial minerals.