Difference between revisions of "Geology of the Andover area: Concealed strata - Ordovician to Devonian"

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(Geology of the Andover area - contents)
(Geology of the Andover area - contents)
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== Geology of the Andover area - contents ==
 
== Geology of the Andover area - contents ==
 
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{{Andoverpages}}
[[Geology of the Andover area: Introduction|Introduction]]
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: [[Geology of the Andover area: Geological setting|Geological setting]]
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[[Geology of the Andover area: Concealed strata|Geological description ]]
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: [[Geology of the Andover area: Concealed strata|Concealed strata]]
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:: '''Ordovician to Devonian'''
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:: [[Geology of the Andover area: Concealed strata - Carboniferous|Carboniferous]]
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:: [[Geology of the Andover area: Concealed strata - Permian|Permian]]
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:: [[Geology of the Andover area: Concealed strata - Triassic|Triassic]]
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:: [[Geology of the Andover area: Concealed strata - Jurassic|Jurassic]]
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:: [[Geology of the Andover area: Concealed strata - Cretaceous|Cretaceous]]
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: [[Geology of the Andover area: Exposed strata - Upper Greensand Formation|Exposed Strata]]
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:: [[Geology of the Andover area: Exposed strata - Upper Greensand Formation|Upper Greensand Formation (UGS)]]
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:: [[Geology of the Andover area: Exposed strata - Chalk Group|Chalk Group]]
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:: [[Geology of the Andover area: Exposed strata - Palaeogene|Palaeogene]]
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:: [[Geology of the Andover area: Exposed strata - Quaternary|Quaternary]]
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:: [[Geology of the Andover area: Exposed strata - Artificial ground|Artificial ground]]
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[[Geology of the Andover area: Applied geology - Hydrogeology|Applied geology]]
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: [[Geology of the Andover area: Applied geology - Hydrogeology|Hydrogeology]]
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: [[Geology of the Andover area: Applied geology - Bulk minerals|Bulk minerals]]
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: [[Geology of the Andover area: Applied geology - Geotechnical considerations and hazards|Geotechnical considerations and hazards]]
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[[Geology of the Andover area: Information resources|Information resources]]
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[[Geology of the Andover area: References|References]]
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Revision as of 14:21, 19 September 2013

This page is part of a category of pages providing a summary of the geology of the Andover district (British Geological Survey Sheet 283), which extends over approximately 600 km2 of north-west Hampshire and a small part of eastern Wiltshire. Links to other pages in this category can be found at the foot of the page.
Authors: J Thompson, K A Lee, P M Hopson, A R Farrant, A J Newell, R J Marks, L B Bateson, M A Woods, I P Wilkinson and N J Smith.

Ordovician to Devonian

The oldest basement rocks encountered at depth in boreholes and interpreted from seismic sections in the district are Ordovician through to Carboniferous as illustrated by Smith (1985) with only the Carboniferous proven in the Egbury 1 Borehole shown in Figure 4. Strata older than the Carboniferous, principally Devonian in age, may be present to the west of the district and the basement is shown as undivided Devonian and Carboniferous in Section 2 on the map.

Geology of the Andover area - contents