Moray Group
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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 ...
of
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), ...
to
Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...
age, found beneath the
North Sea The North Sea lies between Great Britain, Denmark, Norway, Germany, the Netherlands, Belgium, and France. A sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Se ...
and in the Faroe-Shetland Basin. Two sequences are recognised, a shelf succession consisting of
sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...
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. Although its permeabil ...
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.Blatt, H., and R.J. Tracy, 1996, ''Petrology.'' New York, New York, ...
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 * ...
and the Balder Formation.


References

{{Reflist Geological groups of the United Kingdom Paleogene System of Europe Geology of the North Sea Mudstone groups Siltstone groups Sandstone groups Tuff groups