Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for felspathic
Clay is formed from the disintegration of felspathic rocks, by the combined action of air and water.
Pebbles of felspathic porphyry were found in the river's bed.Journal of an Overland Expedition in Australia
The rock was felspathic, apparently allied to those already seen in the Balonne.
Sienite and feldspar succeeded in our descent to the snow line, where we found a felspathic granite.The Life of Kit Carson
Edward S. Ellis
The hills behind consisted in the higher parts of a felspathic conglomerate and clay-slate dipping to the eastward.