Earth Science, Geologic Time & Fossils

Tillite

rock

Daubrée, Gabriel-Auguste

French geochemist

Logan, Sir William Edmond

Welsh-Canadian geologist

Devitrification

crystallography

Smaltite

mineral

Diprotodon

fossil marsupial genus

Tasman Geosyncline

geology

Boué, Ami

Facts, Publications, & Significance

Red Snow

biology

Trachyte

rock

Phytosaur

fossil reptile

Bottom Water

ocean layer

Continental Subarctic Climate

meteorology

Crust–mantle Model

geology

Deinonychus

dinosaur genus

Stropheodonta

fossil brachiopod genus