Aber Mawr Formation

Last updated

Aber Mawr Formation
Stratigraphic range: Arenig
Type Geological formation
Underlies Porth Lauog Formation
Thickness>215 m (705 ft)
Lithology
Primary Mudstone
Other Tuff, debrite
Location
Country Wales
Extent Ramsey Island
Type section
Named for Aber Mawr Bay, Ramsey Island

The Aber Mawr Formation is a geological formation in Wales. It preserves fossils dating back to the Arenig Series of the Ordovician period. [1]

Contents

See also

Related Research Articles

<span class="mw-page-title-main">Whitewater Formation</span> Geologic formation in Ohio and Indiana

The Whitewater Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.

The Llanfallteg Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period. It predominantly consists of ash containing siltstones, as wells as ash fall deposits and tuffs. It likely dates to the Darriwilian based on graptolites. The local graptolite fauna includes Didymograptus artus and Glossograptus armatus. The local trilobite fauna includes agnostids, phacopids and asaphids.

The Carmarthen Formation is a geologic formation in Wales and England. It preserves fossils dating back to the Ordovician period.

The Trefawr Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.

The Milford Haven Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.

The Crychan Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.

The Treiorwerth Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Wenallt Formation is a geologic formation near Garth in Powys, Wales. It preserves fossils dating back to the Ordovician period.

The Nant Ffrancon Fermation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Nant Hir Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Llanfawr Mudstones is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

<span class="mw-page-title-main">Dolhir Formation</span>

The Dolhir Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Afon Ffinnant Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Rhiwlas Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Llyn y Gafr Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Blaencediw Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

The Bod Deiniol Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

<span class="mw-page-title-main">St. Maughan's Formation</span>

The St. Maughan's Formation is a geologic formation in Wales. It preserves fossils dating back to the Devonian period.

The Llanelly Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.

The Llwyn Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.

References

  1. British Geological Survey. "Aber Mawr Formation". BGS Lexicon of Named Rock Units. Retrieved 3 November 2018.