Earth Science, Geologic Time & Fossils

Selenite

mineral

Nappe

geology

Iselin, Columbus O’D.

American oceanographer

Annabergite

mineral

Trochonema

fossil gastropod genus

Internal Wave

hydrology

Scrope, George Julius Poulett

British geologist

Cloud Whitening

geoengineering

Burgess Shale

geological formation, British Columbia, Canada

Siltstone

rock

Shoemaker, Gene

American astrogeologist

Nephelinite

lava

Plectoceras

fossil cephalopod genus

Precipitation

weather

Espy, James Pollard

American meteorologist

Theropod

dinosaur suborder