Definition of Cyclothem. Meaning of Cyclothem. Synonyms of Cyclothem

- geology, cyclothems are alternating stratigraphic sequences of marine and non-marine sediments, sometimes interbedded with coal seams. The cyclothems consist...
- surface at its base. Whilst individual cyclothems are often only metres to a few tens of metres thick, cyclothem sequences can be many hundreds to thousands...
- Pennsylvania, United States Kittanning Coal, coal seams in the Kittanning cyclothem of the Pennsylvanian Epoch Kittanning Expedition, a raid during the French...
- from δ18O and δ13C values of molluscs from the Cretaceous Bearpaw marine cyclothem". Palaeogeography, Palaeoclimatology, Palaeoecology. 217 (1–2): 67–85...
- (also known as coal beds) are interbedded with other sediments in a cyclothem. Cyclothems are thought to have their origin in glacial cycles that produced...
- late Paleozoic ice house are likely responsible for the deposition of cyclothems. Glacials are characterized by cooler and drier climates over most of...
- 99 square miles (2.56 km2), all land. Geologists have named the Exline cyclothem after the town. This rock group extends from Iowa into Illinois and contains...
- sedimentology of roof strata of surface and underground coal mines and cyclothems containing the fossils of upright and in situ tree trunks, geologists...
- Appalachian highlands. Characteristic of the strata from this time are cyclothems: alternating marine and non-marine strata indicative of changes in sea-level...
- competing theories for what controls fourth order cycles. Often called cyclothems, the relative short time period in which individual layers of rock are...