Earth Science, Geologic Time & Fossils

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

Trona

mineral

Hydroxylapatite

mineral