At Olduvai, for 20 years, Mary and I had investigated and made a general survey of the overall geology.

- Louis Leakey

I majored in geology in college but have majored in Herbert Hoover ever since.

- Lou Henry Hoover

Here I was into astronomy, and here into anthropology, and there I go into geology. It was much more fun to be able to research and write about whatever I wanted to.

- Octavia Butler

The prime feature in Cornish geology is the upheaval of the granite, distorting, folding back, and altering the superincumbent beds.

- Sabine Baring-Gould

Caves are whimsical things, and geology on a local scale is random and unpredictable.

- William Stone