finicretaceous
structural
geomorphological
Oxfordian
paleoclimate
geoenvironment
lichenometry
Saale glaciation
Phanerozoic
palaeothermometry
Coniacian
mass extinction event
Cenomanian
Cenozoic
erathem
recent
paleovolcano
geolimnological
archicontinent
tertiary
Copernican
Amazonian
astrochronology
limnogeological
epoch
paleoauxology
Cretaceous
Eratosthenian
geoarchaeologically
aeon
Miocene
eon
potassium-argon dating
Eocene
geon
paleoatmosphere
tectonomorphological
Precambrian
interneoglacial
Upper Carboniferous
Upper Carboniferous period
golden spike
Pennsylvanian period
heterochronous
Pennsylvanian
Copper Age
chronostratigraphy