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Bioinfiltration

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An Introduction To Geological Maps Dr Liam Herringshaw: lgh865_at_hotmail.com Recommended text Geological Structures and Maps (Lisle) (or Bennison et al. / Barnes ... – PowerPoint PPT presentation

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Title: Bioinfiltration


1
An Introduction To Geological Maps
Dr Liam Herringshaw lgh865_at_hotmail.com
2
Recommended text
  • Geological Structures and Maps (Lisle)
  • (or Bennison et al. / Barnes Lisle)

3
Course structure
  • 1. Introduction
  • 2. Uniformly dipping strata
  • 3. Folded strata
  • 4. Faults
  • 5. Unconformities
  • 6. Igneous Rocks
  • 7. Metamorphic cleavage
  • 8. Maps in 4D

4
Introduction
Maps Geology Why map geology and how? How to
read geological maps?
5
Introduction
Scarborough sheet First impressions?
6
Why map?
  • Ordnance Survey
  • military
  • Geological Survey
  • economic
  • scientific

7
What is a geological map?
  • How does it differ from a 'normal' map?
  • Interpretive, not just descriptive
  • Predictive science

8
Origins
William 'Strata' Smith
9
Smith Nephew
The Mapping of Yorkshire
10
What to map?
  • Depends on scale and subject what are you
    trying to show?

11
What to map?
  • What units are mappable?
  • 11000 scale
  • 1 mm on map 1 m wide
  • 1250,000 scale
  • 1 mm on map 250 m wide
  • Observed vs inferred features

12
Topography
Learn to read the landscape
13
What to map?
Superficial also known as 'Drift' mapping
14
What to map?
Bedrock or 'Solid' Geology
15
Next week
Uniformly dipping strata
16
Next week
Uniformly dipping strata
Useful tools Protractor, ruler, pencils, paper
17
Resources (www.fossilhub.org)
  • Geology of Britain Viewer
  • http//www.bgs.ac.uk/discoveringGeology/geologyOfB
    ritain/viewer.html
  • iGeology
  • http//www.bgs.ac.uk/igeology/
  • Vale of York bedrock/superficial maps
  • Link to paper
  • Maps Before Maps
  • http//www.retronaut.com/2012/10/maps-before-maps/
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