Results for "Clay surfaces"

Ground Movements: Shrink/Swell Clays Project

Published by:: British Geological Survey (BGS)
Last updated:: 07 January 2026

The main aim of the project is to determine the shrinkage and swelling properties of UK clays and mudrocks and to investigate the relationships between them. Thus leading to a better understanding...

Engineering geology of tropical red clay soils

Published by:: British Geological Survey (BGS)
Last updated:: 07 January 2026

Dataset comprises the results of a study into the engineering geological characteristics of tropical red clay soils, funded by the Overseas Development Administration. The geotechnical properties...

Cambridgeshire and Peterborough Mineral Safeguarding Areas - Brick Clay only

Published by:: Cambridgeshire County Council
Last updated:: 27 November 2024

The adopted [Cambridgeshire and Peterborough Minerals and Waste Local Plan...

Surface Coal Mining

Published by:: Scottish Government SpatialData.gov.scot
Last updated:: 08 December 2025

Surface Mining Areas denote an area of coal extracted by surface excavations in the past or are being excavated currently, these sites do not necessarily reflect the extent of the excavation. Coal...

Surface Coal Resource Areas

Published by:: Scottish Government SpatialData.gov.scot
Last updated:: 19 June 2024

The Surface Coal Resource Areas define the coal resources capable of being extracted by surface mining methods, often referred to as ‘opencast’. This information is used by Local Planning...

Mg and Li isotope data on laboratory clay minerals and metadata (NERC grant NE/M001865/1)

Published by:: British Geological Survey (BGS)
Last updated:: 07 January 2026

Clay minerals (smectites) were synthesised experimentally to determine isotope fractionation factors (Li and Mg). The data are provided here. Interpretation is ongoing.

Experimental direct shear friction dataset for synthetic clay gouges (NERC grant NE/L002469/1)

Published by:: British Geological Survey (BGS)
Last updated:: 07 January 2026

Friction coefficient and frictional stability (rate & state parameter) data for triaxially compressed direct shear experiments on kaolinite-rich china clay and Mg-montmorillonite fault gouges...

iHydrogeology shale and aquifer surfaces (vertical separation maps and data)

Published by:: British Geological Survey (BGS)
Last updated:: 31 December 2025

These maps provide an overview, at the national scale, of the spatial relationships between principal aquifers and some of the major shale and clay units in England and Wales. The data comprises a...

Stratigraphic Surfaces Database.

Published by:: British Geological Survey (BGS)
Last updated:: 07 January 2026

This database stores down-hole stratigraphic data to complement the seismic surface picks stored in the Seismic Locations And Sections Database (LOCSEC). Because these surfaces are chosen for their...

Experimental friction dataset for heterogeneous and homogeneous mixed quartz-clay fault gouge layers (NERC Grant NE/P002943/1)

Published by:: British Geological Survey (BGS)
Last updated:: 31 December 2025

The data are from a suite of friction experiments performed on simulated fault gouges comprised of clay-quartz mixtures, sheared in a direct-shear arrangement. Some experiments were performed on...

Elemental and isotopic data for timed exchange experiments between clay, mineral water and seawater

Published by:: Environmental Information Data Centre
Last updated:: 19 November 2025

This dataset presents both isotopic and elemental data for a series of cation exchange experiments between mineral water, montmorillonite clay and seawater. These were a series of in-house...