The U.S. geologic Survey, meanwhile, reported that aftershocks were likely.
The sepia-toned photos he took while swimming out in the water give the waves a solid, geologic look.
Thus cinnabar, when taken with its customary associations, is regarded as a sort of geologic thermometer.
Just as minerals may be grouped by provinces, they may be grouped by geologic ages.
Succeeding canyons bear names designating their scenic or geologic character.
Field work is an essential part of any course of geologic training.
Has not the intelligence of the animal kingdom increased during the geologic ages with the increase in the size of the brain?
The distribution of forest and prairie is due to geologic causes.
One simpler figure of the same kind is given on the cover of the geologic folios.
The term “erosion” is one of the most important in geologic science.