Earth Science, Geologic Time & Fossils

Psilomelane

mineral

Quasi-biennial Oscillation

air current

Horse Latitude

meteorology

Magellan, Ferdinand

Biography, Voyage, Map, Accomplishments, Route, Discoveries, Death, & Facts

Gray, Robert

American explorer

Dike

igneous rock

Amery Ice Shelf

ice shelf, Antarctica

Cave Bear

Size, Weight, Extinction, & Facts

Economic Geology

Trepostomata

fossil bryozoan order

Clarke, Edward Daniel

English mineralogist

Snowball Earth Hypothesis

Humus

soil component

Poldervaart, Arie

American geologist and petrologist

Cementation

sedimentary rock

Anning, Mary

Biography & Facts