Bioinfiltration

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An Introduction To Geological Maps
Dr Liam Herringshaw lgh865_at_hotmail.com
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Aims Objectives

• Read, understand (and produce?) geological maps
• Mapping how and why?
• Geology introduction
• Mapping geological structures
• Topography, drift solid geology
• Exercises
• Where Do You Think You Were?

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Geological mapping How and why?
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Ordnance Survey
William Roy's military survey of Scotland
1747-1755
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Triangulation of Britain
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(No Transcript)
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Geology
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Mappable geological structures

• 1. Sedimentary deposits/erosion
• 2. Igneous intrusions
• 3. Igneous extrusions
• 4. Deformation (metamorphism)

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Deposition/erosion
Unconformity
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Igneous intrusion
Whin Sill, Northumberland
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Igneous extrusion
Giant's Causeway, Antrim
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Deformation / metamorphism
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Faulting
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William 'Strata' Smith
The Map That Changed The World
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Smith Nephew
The Mapping of Yorkshire
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Map Exercise 1
Identification of rocks and structures
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Geological mapping
Topography
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Geological mapping
Drift
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Geological mapping
Bedrock
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Exercise 2
Interpreting simple structures
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The Highlands Controversy
Assynt
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The Highlands Controversy
Roderick Impey Murchison
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The Highlands Controversy
Charles Lapworth
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The Highlands Controversy
John Horne Ben Peach
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Exercise 3
Interpreting more complex structures
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Resources

• www.fossilhub.org

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Where Do You Think You Were?

• Your own postcode geological map

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Rotunda Museum / Geological Society President's
Lecture Free entry, Scarborough Library December
5th 2013, 6.30pm
Landslides and subsidence Engineering geology in
an age of austerity