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Map of Mercia Mudstone Group's outcrop (Triassic) in Wales and southwest England The Mercia Mudstone Group is an early Triassic lithostratigraphic group (a sequence of rock strata ) which is widespread in Britain, especially in the English Midlands —the name is derived from the ancient kingdom of Mercia which corresponds to that area.
Mudstone on east beach of Lyme Regis, England. 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.
The oldest rocks exposed at or near the surface of Lincolnshire are the sandstones and mudstones of the early Triassic Sherwood Sandstone Group.Rocks from this and the overlying Mercia Mudstone and Penarth groups occur in the northwest of the county and along its western border but are generally concealed beneath a thick cover of recent deposits.
It was in this type of environment that the Mercia Mudstone Group (formerly Keuper Marl) was deposited. The sequence of formations in the Sherwood and Mercia mudstone groups in this region illustrates clearly the upward transition from continental fluvial to deltaic and littoral marine and ultimately to the hypersaline lake epeiric sea ...
Overlying the Millstone Grit sequence is the thick Westphalian sequence of sandstones, mudstones and coal seams collectively referred to as the Pennine Coal Measures Group and which forms the Lancashire Coalfield, the western part of which extends into Merseyside. The youngest Carboniferous strata in the area are the non-productive (of coal ...
The name 'Mercia' is a Latinisation of an Old English word derived from the Mercian Old English, Merce, meaning "borderland". [29] The dialect thrived between the 8th and 13th centuries and was referred to by John Trevisa, writing in 1387: [30]
Mercian was a dialect spoken in the Anglian kingdom of Mercia (roughly speaking the Midlands of England, an area in which four kingdoms had been united under one monarchy). ). Together with Northumbrian, it was one of the two Anglian dial
Kyneburga (d. c. 680) (also called Cyneburh in Old English); the name being also rendered as Kinborough and in occasional use as a Christian name [1]) and Kyneswide (Cyneswitha) were sisters, the daughters of King Penda of Mercia (who remained true to Anglo-Saxon paganism). She was eldest daughter of Penda.