The Moray Group is a stratigraphic group, a set of geological

rock strata In geology and related fields, a stratum ( : strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by visible surfaces known as ei ...

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), E ...

Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...

age, found beneath the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...

and in the

Faroe-Shetland Basin The Faroe-Shetland Basin is a sedimentary basin formed by mainly Mesozoic rifting that lies between the Faroe Islands and the Shetland Islands. It has been the site of hydrocarbon exploration since the 1960s, with many significant oil and gas discov ...

. Two sequences are recognised, a shelf succession consisting of

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

s and

siltstone Siltstone, also known as aleurolite, is a clastic sedimentary rock that is composed mostly of silt. It is a form of mudrock with a low clay mineral content, which can be distinguished from shale by its lack of fissility.Blatt ''et al.'' 1980, p ...

s of the Dornoch Formation and a thicker basinal succession consisting of mainly

mudstone Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from '' shale'' by its lack of fissility (parallel layering).Blatt, H., and R.J. Tracy, 1996, ''Petrology. ...

s of the

Sele Formation Sele may refer to: Places Africa * Sele, Burkina Faso, a village in the Ouéleni Department of Burkina Fase. * Sele, Ethiopia, a town in Agbe municipality Asia * Sele, Turkey, a Turkish village in Kailar in Ottoman times *Şələ, Azerbaijan *Se ...

and the

Balder Formation The Balder Formation is a geological formation of lowermost Eocene in age, found in the Central and Northern North Sea and Faroe-Shetland Basin. The formation is named after Balder, a god from Norse mythology. Layers of tuff are found, particularly ...

References

{{Reflist Geological groups of the United Kingdom Paleogene System of Europe