| Rabbitkettle Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Underlies |
|
| Overlies | Sekwi Formation (unconformably) [2] |
| Thickness | 750 m |
| Location | |
| Region | Yukon |
| Country | Canada |
The Rabbitkettle Formation is a geologic formation in the Yukon, comprising thin bedded silty and occasionally siliciclastic limestones deposited in deep (below storm wave base) waters. [2] [1] It preserves fossils dating back to the Ordovician period.
According to [1] it:
The Georgian Bay Formation is a geologic formation in Michigan and Ontario. It preserves fossils dating back to the Ordovician period. The type locality of the formation is on East Meaford Creek, south shore of Nottawasaga Bay, Georgian Bay.
The Waynesville Formation is a geologic formation in Ohio and Indiana. It preserves fossils from the Late Ordovician period.
The Arnheim Formation is a geologic formation in Ohio. It preserves fossils dating back to the Ordovician period.
The Liberty Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.
The Fairview Formation is a geologic formation in Ohio. It preserves fossils dating back to the Late Ordovician period.
The Chepultepec Formation, is an Early Ordovician-age geological formation in the Appalachian regions of Eastern North America. Also known as the Chepultepec Dolomite, it is a unit of the Upper Knox Group, overlying the Copper Ridge Dolomite and underlying the Longview-Kingsport-Mascot sequence. The Chepultepec Formation is a primarily limestone and dolomite formation, the earliest formation of the Ordovician period in its area. Further north, it is equivalent to the Stonehenge Formation of the Beekmantown Group. The formation was first described from Allgood, Alabama, and has also been found in Tennessee and Virginia. Allgood was originally named "Chepultepec", providing its name to the formation as well. In Virginia, the Chepultepec Formation has a habit of forming large natural arches, including Natural Tunnel in Scott County and Natural Bridge in Rockbridge County.
The Everton Formation is a geologic formation in northern Arkansas that dates to the middle Ordovician Period. Unconformities separate this formation from the underlying Powell Formation and the overlying St. Peter Sandstone Formation. Named for the town of Everton in Boone County, Arkansas in 1907, the Everton Formation is composed primarily of dolomite, limestone, and sandstone.
The Cobourg Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period. Technically the formation extends into New York State with Canadian section called Lindsay Formation. The formation was named by Raymond (1921). The Cobourg formation was estimated to be have a total thickness of about 70 m.
The Attawapiskat Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
The Broken Skull Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
The Vaureal Formation is a geologic formation in Quebec. It preserves fossils dating back to the Ordovician period.
The Merrimack Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
The Gun River Formation is a geologic formation in Quebec. It preserves fossils dating back to the early Silurian period.
The Jupiter Formation is a geologic formation in Quebec, well-exposed in the southern third of Anticosti Island and lying in the St Lawrence River Valley. It preserves fossils dating back to the Silurian period.
The Becscie Formation is a geologic formation in Quebec. It preserves fossils dating back to the early Silurian period.
The Table Cove Formation is a geologic formation in Newfoundland and Labrador. It preserves fossils dating back to the Ordovician period.
The Kechika Formation is a geologic formation in British Columbia. It preserves fossils dating back to the Ordovician period.
The Solvik Formation is a geologic formation in the central Oslo Region of Norway. It preserves fossils dating back to the early Silurian period.
Variabiloconus is an extinct genus of conodonts.
The Big Hill Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. A fossiliferous site on the Stonington Peninsula includes a dolomite bed of the Big Hill Formation which has abundant and well-preserved fossils. The most common fossils are soft-bodied medusae (jellyfish), followed by linguloid brachiopods, algae, and arthropods. This site is considered a Konservat-Lagerstätte, and is commonly referred to as the Big Hill Lagerstätte or Big Hill Biota.
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