from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Alternative form of petrographic.
from The Century Dictionary and Cyclopedia
- Same as petrographic.
Sorry, no etymologies found.
Additional petrographical studies along with specific gravity determinations will be implemented by the Company during 2009.
A petrographical report of 22 core samples from the Anna Lake Deposit has been completed by Dr. Derek Wilton from the Department of Earth Sciences at Memorial University of Newfoundland.