The sand and gravel resources of the country around Hertford, Hertfordshire : description of 1:25,000 resource sheet TL 31

Hopson, P.M.; Samuel, M.D.A.. 1982 The sand and gravel resources of the country around Hertford, Hertfordshire : description of 1:25,000 resource sheet TL 31. London, UK, British Geological Survey, 81pp. (Mineral Assessment Report 112) (Unpublished)

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Abstract/Summary

The geological maps of the Institute of Geological Sciences, pre-existing borehole information, and 72 boreholes drilled for the Industrial Minerals Assessment Unit form the basis of the assessment of the sand and gravel resources of the country around Hertford, Hertfordshire. All the deposits in the district that might be potentially workable for sand and gravel have been investigated and a simple statistical method has been used to estimate the volume. The reliability of the volume estimates is given at the symmetrical 95 per cent probability level. The 1:25 000 map is divided into 5 resource blocks, containing between 8.8 and 16.2 km2 of sand and gravel. For each block the geology of the deposits is described, and the mineral-bearing area, the mean thickness of overburden and mineral and the mean gradings are stated. Detailed borehole data are also given. The geology, the position of the boreholes and the outlines of the resource blocks are shown on the accompanying map.

Item Type:	Publication - Report
Programmes:	BGS Programmes > Economic Minerals
ISBN:	0118843125
Funders/Sponsors:	British Geological Survey, Natural Environment Research Council
Additional Information. Not used in RCUK Gateway to Research.:	This item has been internally reviewed, but not externally peer-reviewed.
Additional Keywords:	sand, gravel
NORA Subject Terms:	Earth Sciences
Date made live:	15 Jun 2023 09:23 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/534948

Item Type:

Publication - Report

Programmes:

BGS Programmes > Economic Minerals

ISBN:

0118843125

Funders/Sponsors:

British Geological Survey, Natural Environment Research Council

Additional Information. Not used in RCUK Gateway to Research.:

This item has been internally reviewed, but not externally peer-reviewed.

Additional Keywords:

sand, gravel