Earth Science, Geologic Time & Fossils

Orpiment

mineralogy

Thrinaxodon

fossil therapsid genus

Magnetic Survey

geophysics

Chonetes

fossil brachiopod genus

Antiarch

placoderm

Gale

wind

Antimonide

mineral

Borax

chemical compound

Cynognathus

fossil therapsid genus

Alum

Uses, Formula, & Facts

Tillite

rock

Daubrée, Gabriel-Auguste

French geochemist

Logan, Sir William Edmond

Welsh-Canadian geologist

Devitrification

crystallography

Smaltite

mineral

Diprotodon

fossil marsupial genus