geologic

The sepia-toned photos he took while swimming out in the water give the waves a solid, geologic look.

The U.S. Geologic Survey, meanwhile, reported that aftershocks were likely.

These conditions point to the conclusion that the rainfall in different regions varies greatly in the course of the geologic ages.

Modern horses are first noted in Europe and Asia, but far older forms flourished on the earth in former geologic periods.

Nothing would appeal to him more than that, unless it should be some great astronomic or geologic change.

In all geologic reasoning we are apt to err grossly when we leave out of our calculation the important element of time.

The earth is young, the birds are young, man is young—all young together at the morning of the earth's geologic day.