Definition of Asbian. Meaning of Asbian. Synonyms of Asbian

- subdivided into five substages. From youngest to oldest, these are: Brigantian Asbian Holkerian Arundian Chadian (the lower part of this substage falls in the...
- England. It preserves fossils dating back to the Viséan to Serpukhovian (Asbian, Brigantian and Pendleian in British stratigraphy) stages of the Carboniferous...
- Shale or Bowland Shale Formation is a Carboniferous geological formation of Asbian (Visean) to Yeadonian (Bashkirian) age. It is known from outcrop and subsurface...
- the Carboniferous rocks of the north of England, ranging in age from the Asbian Substage to the Yeadonian Substage. The term Yoredale Group is nowadays...
- chronostratigraphy, the British sub-stage of the Carboniferous period, the 'Asbian' derives its name from Little Asby Scar. ****bria portal Listed buildings...
- Limestone is a significant landscape-forming rock unit dating from the Asbian substage. It is dark grey and argillaceous in nature and includes some fossils...
- volcanic rocks, mainly basaltic lavas and tuffs erupted during the Chadian to Asbian substages of the Carboniferous period. The igneous rocks are named as the...
- (Arundian-Brigantian) Danny Bridge Limestone Formation (Asbian) Garsdale Limestone Formation (Holkerian-Asbian) Fawes Wood Limestone Formation Ashfell Sandstone...
- members e.g. the Doagh Limestone and Tawnyunshinagh Limestone members. This Asbian to Brigantian age formation varies from 45m to 80m thick and consists largely...
- lithological boundary definition. The upper limit of the Holkerian (at the Asbian) was defined at Little Asby Scar, ****bria. This boundary was supposed to...