Earth Science, Geologic Time & Fossils

Contrail

Definition & Facts

Perlite

natural glass

Cordaitales

fossil plant order

Echinosphaerites

fossil cystoid genus

Undertow

hydrodynamics

Regolith

geology

Pengelly, William

British educator and geologist

Paraschwagerina

fossil foraminiferan genus

Kieserite

mineral

Rhodochrosite

Location, Properties, & Facts

Sulfosalt

Uses, & Facts

Indricotherium

fossil mammal genus

Seismicity

geology

Eclogite

rock

Crepuscular Ray

atmospheric phenomenon

Hadean Eon

Start, Timeline, & Facts