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...
- alkali feldspar – a plutonic rock with <5% normative quartz Nepheline syenite – Holocrystalline plutonic rock – A silica-undersaturated plutonic rock...
- exposures of the Beemerville Alkaline Complex consist of two large nepheline syenite plutons; a nearby diatreme (Rutan Hill); and several other nearby and much...
- Outer Co**** Syenite, the Nepheline Sodalite Syenite, the Fire Tower Syenite, the Garland Peak Syenite, the Watson Ledge Quartz Syenite, and the Interior...
- metamorphic terranes. It also occurs in low-silica igneous syenite and nepheline syenite intrusives. Other occurrences are as m****es adjacent to ultramafic...
- Syenite is an unincorporated community in southern St. Francois County, in the U.S. state of Missouri. The community lies on Missouri Route DD, west of...
- co****-grained, foliated variety of nepheline syenite, sometimes called nepheline syenite gneiss or gneissic nepeheline syenite. Litchfieldite is composed of two...
- varieties of syenite, diorite, gabbro, etc., in which feldspathoid minerals occur, and indeed there are many transitions between syenites of ordinary type...