from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Alternative form of syenitic.
from the GNU version of the Collaborative International Dictionary of English
- adj. See syenitic.
from The Century Dictionary and Cyclopedia
- See syenitic.
Sorry, no etymologies found.
The geological formation at the site is sienitic gneiss.
The general character of the rock here is sienitic; but, besides this peculiar quality of feldspar, the hornblende appears as actinolite, (ray-stone,) so called from the form of its crystallization; while the quartz element is faintly present, or appears in separate masses.
They are generally trap-rock, embracing the varieties of gray, porphyritic, hornblendic, sienitic, and amygdaloidal trap, and appear to have had no labor expended upon them except the chiseling of a groove around the middle for the purpose of attaching a withe to serve as a handle.
This is said to be the rockiest shore in Massachusetts, from Nantasket to Scituate, -- hard sienitic rocks, which the waves have laid bare, but have not been able to crumble.
The summit rock was gneiss, succeeded by sienitic gneiss.