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Things ordovician often describes (“ordovician ________”)
rocks, age, period, time, strata, limestones, limestone, sediments, times, system, beds, fossils, formations, trilobites, shales, silurian, deposits, sequence, boundary, faunas, fauna, seas, radiation, succession, conodonts, sandstones, slates, graptolites, extinction, sea, brachiopods, shale, stratigraphy, devonian, formation, forms, carbonates, permian, sandstone, aquifer, lower, species, sequences, series, dolomite, rock, event, sedimentation, communities, genera, dolomites, radiations, upper, cephalopods, margin, bentonites, genus, paleogeography, onwards, arc, units, volcanics, corals, quartzite, basin, zones, vertebrates, algae, greywackes, outcrops, reefs, bedrock, successions, slate, bryozoans, lavas, pelecypods, facies, trilobite, provinces, erratics, gastropods, geology, outcrop, palaeogeography, geography, transgression, era, extinctions, record, volcanism, glaciation, contact, schists
How ordovician often is described (“________ ordovician”)
late, early, cambro, middle, cambrian, latest, mid, earliest, uppermost, pre, later, basal, lowermost, lowest, post, fossiliferous, earlier, folded, typical, norwegian, end, upturned, marine, medial, deformed, probable, regional, terminal, subsurface, sinian, eroded
Commonly used words are shown in bold. Rare words are dimmed.
Click on a word above to view its definition.
Click on a word above to view its definition.