Words to Describe ordovician
Things ordovician often describes ("ordovician ________")
- sandstones
- deposits
- trilobite
- volcanics
- series
- time
- basin
- beds
- algae
- geology
- onwards
- carbonates
- erratics
- genera
- bentonites
- corals
- devonian
- gastropods
- limestones
- boundary
- vertebrates
- graptolites
- outcrops
- contact
- outcrop
- cephalopods
- strata
- paleogeography
- radiations
- record
- succession
- forms
- shale
- schists
- limestone
- lower
- radiation
- transgression
- bedrock
- sequence
- margin
- facies
- rock
- provinces
- dolomites
- extinction
- aquifer
- seas
- units
- lavas
- geography
- fossils
- formation
- pelecypods
- rocks
- slates
- sediments
- sandstone
- age
- trilobites
- reefs
- quartzite
- stratigraphy
- zones
- communities
- shales
- fauna
- sea
- period
- system
- permian
- conodonts
- sequences
- faunas
- bryozoans
- extinctions
- brachiopods
- arc
- silurian
- successions
- glaciation
- formations
- times
- slate
- species
- era
- sedimentation
- genus
- volcanism
- upper
- event
- dolomite
