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The shrink–swell capacity of soils refers to the extent certain clay minerals will expand when wet and retract when dry. Soil with a high shrink–swell capacity is problematic and is known as shrink–swell soil, or expansive soil . [ 1 ]
Shrink–swell capacity in soil mechanics; Unload-reload constant (κ) in critical state soil mechanics This page was last edited on 6 May 2023, at ...
Column 4 indicates on which sheet, if any, of the British Geological Survey's 1:50,000 / 1" scale geological map series of England and Wales, the fault is shown and named (either on map/s or cross-section/s or both). A handful of BGS maps at other scales are listed too.
The geology of England is mainly sedimentary. The youngest rocks are in the south east around London , progressing in age in a north westerly direction. [ 1 ] The Tees–Exe line marks the division between younger, softer and low-lying rocks in the south east and the generally older and harder rocks of the north and west which give rise to ...
In the early Cambrian period, the volcanoes and mountains of England and Wales were eroded as the land became flooded by a rise in sea level, and new layers of sediment were laid down. Much of central England formed a stable block of crust, which has remained largely undeformed ever since. Sandstones were deposited in the north of Scotland.
England prints its own banknotes which are also circulated in Wales. The economy of England is the largest part of the United Kingdom's economy. Regional differences: A map of England divided by the average GVA per capita in 2007 showing the distribution of wealth. The strength of the English economy varies from region to region.
The majority of the rest of England and Wales north of the Variscan Front are considered to constitute the Avalon composite terrane. Central to this composite terrane is the triangular-shaped Midlands Microcraton ; within it, the north–south aligned Malvern line (or 'Malvern lineament') divides the Wrekin terrane in the west from the ...
Gravity anomaly maps of the British Isles are interpreted as indicating the presence of granite plutons in the following areas. The list is not exhaustive: Galloway, UK; Cheviot Hills, UK; Mountains of Mourne, UK; Connemara, Ireland; County Donegal, Ireland; South West England (Cornubian batholith and Haig Fras granite), UK; Askrigg Block ...