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syenite

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
sy·e·nite  (s-nt)
n.
An igneous rock composed primarily of alkali feldspar together with other minerals, such as hornblende.
[Latin Synts (lapis), (stone) of Syene, from Syn, Syene, an ancient city of southern Egypt, from Greek Sun.]
sye·nitic (-ntk) adj.
syenite  (s-nt)
A light-colored, coarse-grained igneous rock consisting primarily of alkali feldspar together with some mafic minerals, especially hornblende. Unlike most igneous rocks, syenite has little or no quartz. It is believed to form from the cooling of magma that forms at very high temperatures and at great depths. It is the coarse-grained equivalent of trachyte.


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Copses of dates and dwarf-palms succeeded the dense forests; then vast, dry plains, dotted with scanty shrubs, and sown with great blocks of syenite.
Around The World In Eighty Days by Verne, Jules View in context
It was then passing over Mabunguru, a stony country, strewn with blocks of syenite of a fine polish, and knobbed with huge bowlders and angular ridges of rock; conic masses, like the rocks of Karnak, studded the soil like so many Druidic dolmens; the bones of buffaloes and elephants whitened it here and there; but few trees could be seen, excepting in the east, where there were dense woods, among which a few villages lay half concealed.
Five Weeks in a Balloon by Verne, Jules View in context
Not far from Monte Video we passed through the village of Las Pietras, so named from some large rounded masses of syenite.
The Voyage of the Beagle by Darwin, Charles View in context
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