Model metadata report for the South Downs teaching model
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This report describes the South Downs 3D geological model, which was constructed by the British Geological Survey (BGS) using GSI3D software and methodology. The model covers an area of approximately 3,100 km2 from Winchester to Beachy Head in the south of England. Ten bedrock units are modelled, which correspond with the published 1:250 000 scale geological maps of the area. The South Downs model was developed under a BGS project entitled “3D Models for Teaching” and as such is created with a very broad approach to the regional geological understanding, and is intended as a teaching aid for educational purposesKeywords:
Bedrock
Geological survey
3d model
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Geological survey
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This report describes the City of London 3D geological model, created by Constance Martin, a BSc student at the University of Birmingham, and Ricky Terrington and Helen Burke from the British Geological Survey. The work was carried out as part of a final year geology mapping project, using existing data held by the BGS and computer modelling in place of more traditional field mapping techniques to explore the subsurface geology of the developed area of the City of London.
The City of London model covers an area covering approximately 3km2 in Central London, where the financial district, St Paul’s Cathedral and the Tower of London are located. Eleven geological units are modelled, comprising artificial ground, superficial deposits and bedrock to a cut-off depth of 100 m below Ordnance Datum.
Bedrock
Geological survey
Geologic map
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10k Sheet NS66SW (Rutherglen) in eastern Glasgow is the first 3D model of the superficial
geology of Scotland to be created in GSI3D. Following a successful pilot study and the
concurrent rapid development of the GSI3D software, a final model was produced in August
2004.
This report is a summary of the development of the NS66SW superficial model in terms of the
software evolution, methodology and the geological interpretation. The geological interpretation
has been based on the lithostratigraphy and ideas presented by Browne and MacMillan (1989).
The limitations of the methodology and the uncertainties in the model are discussed, as are
interesting geological problems uncovered by the modelling.
The data files used in the modelling are described in the appendices. Ten Best Practice
documents have been compiled and are available in the project folder and will shortly be on the
DGSM Best Practice web page.
Lithostratigraphy
3d model
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The North Kent 3D geological model was commissioned by the Environment Agency to gain a better understanding of the structure of the bedrock in the area to help understand groundwater movement; this report contains the model metadata, for the full report see Farrant et al. (2015). The GSI3D (Geological Surveying in 3D) software was used to construct the model, following the established workflow described in Kessler et al, (2009). The model comprises 30 correlated cross-sections constrained by 290 boreholes held in the BGS archive. Figure 1 shows the distribution of boreholes and correlated cross-sections.
Bedrock
3d model
Supergene (geology)
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Bedrock
Geological survey
Geologic map
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This report contains a brief description of the data and methodology used to
compile the National Geological Fence Diagram (NGFD). The NGFD comprises
a network of intersecting geological cross-sections covering England and
Wales, to a minimum depth of 1 km and a total section length of approximately
5,500 km. It was compiled by the British Geological Survey (BGS) on behalf of
the Environment Agency (EA) and is based upon lines of section agreed
between both parties at the inception of the project. The model includes
generalised bedrock strata based principally on the BGS 1:625 000 scale digital
geological data and superficial deposits greater than 10m in thickness.
Additional sources of model data were also considered, largely taken from
published BGS data holdings. In total 41 cross-sections were constructed and
geologically correlated within the GSI3D software.
Geological survey
Section (typography)
Fence (mathematics)
Bedrock
Geologic map
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This report summarises the data, information and methodology used in a 3D geological model of
the Somerset Levels. The model was constructed using the GSI3D software package and
comprises superficial deposits at 1:50,000 scale and lower resolution bedrock units.
Bedrock
3d model
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Abstract The production of a series of Geological Maps on a. scale of 4 miles to an inch has been the aim of the New Zealand Geological Survey since about 1947 when the first proposed subdivision of New Zealand into sheets for this purpose was made by Mr A. W. Hampton, at that time chief draughts-man to the Geological Survey.
Geological survey
Geologic map
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Firth
Geologic map
Geological survey
Table (database)
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Abstract In France a National Geological Survey was planned in 1822 by the Corps Royal des Mines, a government institution, in association with its subsidiary, the Ecole des Mines. The first objective was a rapid Survey of the whole of France, with the intention of preparing a general Geological Map of the country, to be followed by a more detailed Survey, based on the Départements. Field work for the general map commenced in 1825, and was completed in 1835 and a Geological Map of the whole of France, on a scale of approximately 8 miles to the inch was published by the Ministry of Public Works in 1841. The project was carried out entirely under the direction of the Ministry, at public expense. As a National Survey it thus preceded that of Great Britain, established in 1835, by some ten years.
Geological survey
Christian ministry
Field survey
Geologic map
Public work
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