| Ardwell Group | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Group |
| Location | |
| Region | Scotland |
| Country |  United Kingdom |
The Ardwell Group is a geological group in Scotland. It preserves fossils dating back to the Ordovician period.
| Ardwell Group | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Group |
| Location | |
| Region | Scotland |
| Country | United Kingdom |
The Ardwell Group is a geological group in Scotland. It preserves fossils dating back to the Ordovician period.
The Valtos Sandstone Formation is a Middle Jurassic (Bathonian) formation found in the Inner Hebrides of Scotland. It is the thickest member of the Great Estuarine Group. The lithology consists of sets of approximately 6 metre thick cross bedded sandstone, capped by thin shelly limestones containing bivalves of the genus Neomiodon Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
The Detroit River Group is a geologic group in Michigan and Ohio. It preserves fossils dating back to the Devonian period.
The Conemaugh Group is a geologic group in West Virginia, Pennsylvania, Ohio, and Maryland. It preserves fossils dating back to the Carboniferous period.
The Cincinnati Group is a geologic group in Kentucky, Ohio and Indiana. It is Upper Ordovician.
The Sandwick Fish Beds is a geologic formation in Scotland. It preserves fossils dating back to the Devonian period.
The Staffin Bay Formation is a geologic formation in Scotland. It preserves fossils dating back to the Callovian of the Middle Jurassic. It consists of two members, the lower Upper Ostrea Member, which consists of dark grey, fissile mudstone with a shelly limestone bed, and laminated and rippled sandstones. While the upper Belemnite Sands Member consists of medium-grained calcareous sandstones and siltstones
The Balclatchie Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
The Strathclyde Group is a geological group found in the Midland Valley of Scotland. It preserves fossils of the Visean age.
The Arbuthnott Group was a geologic group formerly recognised in Scotland but now superseded by the Arbuthnott-Garvock Group. It preserves fossils dated to the Devonian period.
The Bu Ness Group is a geologic group in Scotland. It preserves fossils dated to the Devonian period.
The Observatory Group is a geologic group in Scotland. It preserves fossils dating back to the Devonian period.
The Drummock Group is a geologic group in Scotland. It preserves fossils dated to the Ordovician period.
The Whitehouse Group is a geologic group in Scotland. It preserves fossils dating back to the Ordovician period.
The Newlands Group is a geologic group in Scotland. It preserves fossils dating back to the Silurian period.
The Penkill Group is a geologic group in Scotland. It preserves fossils dating back to the Silurian period.
The Priesthill Group is a geologic group in Scotland. It preserves fossils dating back to the Silurian period.
The Saugh Hill Group is a geologic group in Scotland. It preserves fossils dating back to the Silurian period.
The Stonehaven Group is a geologic group in Scotland. It preserves fossils dating back to the Silurian period. Fossils of cryptospores, such as the hilate cryptospore Hispanaediscus lamontii, have been found in this geologic group, along with miospores and other plant fragments.
The Waterhead Group is a geologic group in Scotland. It preserves fossils dating back to the Silurian period.
The Copper Harbor Conglomerate is a geologic formation in Michigan. It is part of the larger Oronto Group and its formation dates to the Stenian period of the Proterozoic.
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