Definition of Syenite. Meaning of Syenite. Synonyms of Syenite

Here you will find one or more explanations in English for the word Syenite. Also in the bottom left of the page several parts of wikipedia pages related to the word Syenite and, of course, Syenite synonyms and on the right images related to the word Syenite.

Definition of Syenite

Syenite
Syenite Sy"e*nite, n. [L. Syenites (sc. lapis), from Syene, Gr. ?.] (Min.) (a) Orig., a rock composed of quartz, hornblende, and feldspar, anciently quarried at Syene, in Upper Egypt, and now called granite. (b) A granular, crystalline, ingeous rock composed of orthoclase and hornblende, the latter often replaced or accompanied by pyroxene or mica. Syenite sometimes contains nephelite (el[ae]olite) or leucite, and is then called nephelite (el[ae]olite) syenite or leucite syenite.

Meaning of Syenite from wikipedia

- Syenite is a co****-grained intrusive igneous rock with a general composition similar to that of granite, but deficient in quartz, which, if present at...
- Nepheline syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or...
- history. The story then follows three female orogenes (Essun, Damaya, and Syenite) from across the Stillness. Essun is a middle-aged woman with two young...
- Outer Co**** Syenite, the Nepheline Sodalite Syenite, the Fire Tower Syenite, the Garland Peak Syenite, the Watson Ledge Quartz Syenite, and the Interior...
- Concord Gabbro-Syenite Complex is a paleozoic pluton located in North Carolina. The complex is mainly composed of gabbro and syenite and is of the Silurian-Devonian...
- co****-grained, foliated variety of nepheline syenite, sometimes called nepheline syenite gneiss or gneissic nepeheline syenite. Litchfieldite is composed of two...
- alkali feldspar – a plutonic rock with <5% normative quartz Nepheline syenite – Holocrystalline plutonic rock – A silica-undersaturated plutonic rock...
- Kishangarh, 14% of the po****tion is under 6 years of age. Kishangarh Nepheline Syenite is among the 32 National Geological Monuments in India notified by Geological...
- enriched with silica and alkali metals. It is the volcanic equivalent of syenite. Trachyte is common wherever alkali magma is erupted, including in late...
- exposures of the Beemerville Alkaline Complex consist of two large nepheline syenite plutons; a nearby diatreme (Rutan Hill); and several other nearby and much...