Geology

CRYSTALLOGRAPHIC SYMMETRY ELEMENTS

CRYSTALLOGRAPHIC PROJECTION

CRYSTAL 3: Weiss Coefficients and Miller Indices

CRYSTAL 2: Crystals and Crystal Systems

CRYSTAL 1: Interfacial Angles as the Identity of Crystals

CRYSTALLOGRAPHY AND MINERALOGY

EVOLUTION

FOSSIL 10: VERTEBRATE

FOSSIL 9: ICHNOFOSSIL

FOSSIL 8: ARTHROPODA

FOSSIL 6: COELENTERATA/CNIDARIA

FOSSIL 4: CEPHALOPODA

FOSSIL 2: PELECYPODA

FOSSIL 7: ECHINODERMATA

FOSSIL 5: PORIFERA

FOSSIL 3: GASTROPODA

FOSSIL 1: BRACHIOPODA

FOSSILIZATION PROCESS

Fossils are found only in sedimentary rocks because igneous heat and metamorphic pressure destroy organic remains, while sedimentary processes gently bury and preserve them over time.

FOSSILS FOSSILIZATION AND ROCKS

PALEONTOLOGY