Noun:

ਸਲੇਟੀ ਕ੍ਰਿਸਟਲ,

syenite's Usage Examples:

plutonic rock with <5% normative quartz Nepheline syenite – A silica-undersaturated plutonic rock of nepheline and alkali feldspar Nephelinite – A silica-undersaturated.

The Greek name for Aswan, Syene; is the type locality for the igneous rock syenite.

veins and cavities of basaltic rocks, sometimes in granites, syenites, or gneisses.

The abundance of melanite is very unusual in igneous rocks, though some syenites, leucitophyres, and aegirine-felsites resemble.

The column and socle are of lapis syenites, a pink granite cut from the.

traversing granitic bodies; they occur also, though less frequently, in syenites, diorites, quartz-diabases and gabbros.

syenite composition, but contain an intense potassic alteration and related stockwork veining that overprints the original protolith.

made, include gabbros, diorites, amphibolites, diabases, and pyroxene-syenites.

The mineral occurs in nepheline syenite pegmatites and granite and aplite greisens.

igneous rocks, so far as determined from the small collection made, include gabbros, diorites, amphibolites, diabases, and pyroxene-syenites.

heulandite in veins and cavities of basaltic rocks, sometimes in granites, syenites, or gneisses.

the main effusive stage of the Vico activity where it is contained within foid-bearing syenite, which also holds optical observances of K-feldspar, and.

With the addition of alkali feldspar replacing or becoming more dominant than calcic plagioclase theralites grade into foidal syenite, including shonkinite.