geologic

[ jee-uh-loj-ik ]

/ ˌdʒi əˈlɒdʒ ɪk /

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adjective

of, relating to, or based on geology.

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Also ge·o·log·i·cal

[jee-uh-loj-i-kuhl] /ˌdʒi əˈlɒdʒ ɪ kəl/ .

Origin of geologic

First recorded in 1790–1800; geolog(y) + -ic

ge·o·log·i·cal·ly, adverbnon·ge·o·log·ic, adjectivenon·ge·o·log·i·cal, adjectivenon·ge·o·log·i·cal·ly, adverb

pre·ge·o·log·i·cal, adjectiveun·ge·o·log·i·cal, adjectiveun·ge·o·log·i·cal·ly, adverb

Planets can be made of other kinds of rocks that would contribute other gases to their atmospheres, and geologic activity changes a planet’s atmosphere over time.
Crushed space rocks hint at exoplanets’ early atmospheric makeup|Lisa Grossman|January 26, 2021|Science News
This cycle gives rise to many of Earth’s geologic wonders, as well as its natural hazards.
How the Earth-shaking theory of plate tectonics was born|Carolyn Gramling|January 13, 2021|Science News
Japan has already sent spacecraft to two other small asteroids, and the new mission promises sharp images that should reveal Phaethon’s shape, structure, geologic features and dust trail.
December’s stunning Geminid meteor shower is born from a humble asteroid|Ken Croswell|December 2, 2020|Science News
Sources from the ground, also known as geologic sources, emit from 172 to 195 teragrams of methane each year.
Fossil fuels appear to release far more methane than we thought|Carolyn Gramling|May 29, 2020|Science News For Students

Both of these geologic features involve water spewing from the earth.
Let’s learn about geysers and hydrothermal vents|Sarah Zielinski|April 8, 2020|Science News For Students
The sepia-toned photos he took while swimming out in the water give the waves a solid, geologic look.
Surfing’s Golden Age: John Witzig and His Groundbreaking Photos|Josh Dzieza|July 26, 2013|DAILY BEAST
The U.S. Geologic Survey, meanwhile, reported that aftershocks were likely.
The Earthquake That Wasn’t|Daniel Stone|August 23, 2011|DAILY BEAST
These conditions point to the conclusion that the rainfall in different regions varies greatly in the course of the geologic ages.
Outlines of the Earth's History|Nathaniel Southgate Shaler
Modern horses are first noted in Europe and Asia, but far older forms flourished on the earth in former geologic periods.
A Civic Biology|George William Hunter
Nothing would appeal to him more than that, unless it should be some great astronomic or geologic change.
Mark Twain, A Biography, 1835-1910, Complete|Albert Bigelow Paine
In all geologic reasoning we are apt to err grossly when we leave out of our calculation the important element of time.
Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851|Various
The earth is young, the birds are young, man is young—all young together at the morning of the earth's geologic day.
The Kentucky Warbler|James Lane Allen