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Dune cross-bedded aeolian Yesnaby Sandstone of probable Lower Devonian age, Yesnaby, Mainland Orkney Angular unconformity between Middle Devonian Lower Stromness Flagstone and underlying Yesnaby Sandstone of probable Lower Devonian age Old Man of Hoy, Upper Middle Devonian fluvial sandstones resting on basalt Brick-red Eday Marl, Bay of Birstane, reduced to green colour along fractures
The Group comprises the Upper Eday Sandstone Formation, Eday Marl Formation, Middle Eday Sandstone Formation, Eday Flagstone Formation, Lower Eday Sandstone Formation and the Hoy Sandstone Formation laid down in the shallow Orcadian Basin during the Givetian stage of the Devonian period. The sediments vary from fluvial to lacustrine to lagoonal.
The Yesnaby Sandstone Group is a Devonian lithostratigraphic group (a sequence of rock strata) in west Mainland Orkney, Scotland. The name is derived from the locality of Yesnaby where the strata are exposed in coastal cliffs.
In 1564 Lord Robert Stewart, natural son of James V of Scotland, who had visited Kirkwall twenty-four years before, was made sheriff of Orkney and Shetland, and received possession of the estates of the udallers; in 1581 he was created earl of Orkney by James VI, the charter being ratified ten years later to his son Patrick, but after Patrick's ...
Orkney (/ ˈ ɔːr k n i /), also known as the Orkney Islands, is an archipelago off the north coast of mainland Scotland. The plural name the Orkneys is also sometimes used. Part of the Northern Isles along with Shetland , Orkney is 10 miles (16 km) north of Caithness and has about 70 islands, of which 20 are inhabited.
Yesnaby (historic: Yeskenaby, Yestnaby) is a historic township [1] [2] in Sandwick, on the west coast of Orkney Mainland, Scotland, south of Skara Brae. It is renowned for its spectacular Old Red Sandstone coastal cliff scenery which includes sea stacks , blowholes , geos and frequently boiling seas.
The Dwarfie Stane is the only chambered tomb in Orkney that is cut from stone rather than built from stones [5] and may be the only example of a Neolithic rock-cut tomb in Britain. [6] However, despite its unique construction, its plan is consistent with the so-called Orkney-Cromarty class of chambered tomb found throughout Orkney.
Seventy-five per cent of Orkney's population live on the island, which is more densely populated than the other islands of the archipelago. The lengthy history of the island's occupation has provided numerous important archaeological sites and the sandstone bedrock provides a platform for fertile farmland.