Earth Science, Geologic Time & Fossils

Rip Current

Definition & Facts

Basilosaurus

fossil mammal genus

Amphitherium

fossil mammal

Lapillus

volcanic ejecta

Colemanite

mineral

Soil Liquefaction

Examples, & Facts

Spiny Shark

Size, Examples, & Facts

Jeffreys, Sir Harold

British astronomer and geophysicist

Atmospheric Electricity

Jones, Sir Harold Spencer

British astronomer

Gressly, Amanz

Swiss geologist

Evolution Of The Atmosphere

History, Composition, Changes, & Facts

Leptodus

fossil brachiopod genus

Clear-air Turbulence

atmospheric science

Dip Pole

geophysics

Troctolite

rock