Earth Science, Geologic Time & Fossils

Pyromorphite

mineral

Bigsby, John Jeremiah

British geologist

Colour Index

igneous rock

Buys Ballot, Christophorus

Dutch meteorologist

Pleuromeia

fossil plant genus

Ichthyosaur

Size, Fossil, & Facts

Sabine, Edward

Biography & Facts

Megatherium

extinct mammal

Sulfate Mineral

Clonograptus

graptolite genus

Penck, Albrecht

geographer

Air Pocket

meteorology and aviation

Chatoyance

mineral property

Specific Humidity

meteorology

Platinum

Color, Symbol, Uses, & Facts

Stephanite

mineral