Earth Science, Geologic Time & Fossils

Lamprophyre

rock

Seed Fern

fossil plant

Tellurium

chemical element

Denticle

fossil

Covellite

mineral

Miohippus

fossil mammal genus

Byssonychia

fossil mollusk genus

Salt Dome

geology

Staurolite

mineral

Bertrand, Marcel-Alexandre

French geologist

Chile Saltpetre

chemical compound

Fusulinella

fossil foraminiferan genus

Aragonite

mineral

Abbe, Cleveland

American meteorologist

Acrisol

FAO soil group

Tincalconite

mineral