stratigraphy

noun 0.798

biochronology

noun 0.732

seismic stratigraphy

noun 0.694

chemostratigraphy

noun 0.684

biogeography

noun 0.622

stratification

noun 0.589

paleobiology

noun 0.580

relative dating

noun 0.579

palaeobiology

noun 0.577

micropaleontology

noun 0.577

paleobiogeography

noun 0.576

biogeochemistry

noun 0.575

biosystematics

noun 0.570

paleontology

noun 0.568

palaeontology

noun 0.564

strata

noun 0.560

chronobiology

noun 0.552

dendrochronology

noun 0.546

paleoecology

noun 0.545

lithology

noun 0.544

palaeoecology

noun 0.540

petrography

noun 0.532

zoogeography

noun 0.530

sedimentology

noun 0.530

geology

noun 0.529

graptolite

noun 0.529

paleobotany

noun 0.529

biofacies

noun 0.528

tephrochronology

noun 0.527

astrobiology

noun 0.527

ichnology

noun 0.524

palaeogeography

noun 0.522

stratum

noun 0.521

stromatolite

noun 0.520

palynology

noun 0.519

index fossil

noun 0.519

geohistory

noun 0.518

fossil record

noun 0.513

bioturbation

noun 0.510

thermochronology

noun 0.510

biogeochemical

noun 0.509

systematics

noun 0.509

bioclimate

noun 0.503

taphonomy

noun 0.501

cladistics

noun 0.500