geological

Everyday

1. To do with geology, the science of the Earth's rocks, soil, layers and how they formed and changed. tree →
2. To do with very long stretches of Earth's history, millions of years long: geological time. tree →

In the lessons

In science and geography lessons it appears in rock cycle work, fossils, volcanoes and maps: a geological map shows which rocks are where. «Geological time» shows that mountains and canyons take millions of years to form. Phrases: geological time, geological map, geological survey, geological feature.

Examples

• The Grand Canyon is a famous geological feature. tree →
• A geological map shows the rocks under the ground. tree →
• Fossils help scientists understand geological time. tree →
• The Giant's Causeway in Ireland is a geological wonder of basalt columns. tree →
• In geological terms, humans arrived only a moment ago. tree →
• The geological survey found coal under the hills. tree →
• Rocks form layers over geological ages. tree →
• It was a geological book, containing an account of the boulders. tree →

Note

Stress: jee-uh-LOJ-ik-ul. From «geology» (geo = earth, -logy = study). A geologist is the scientist. «Geographical» is different: it is about places, maps, countries and people as well as land.