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A Geological History of Britain Dr Liam Herringshaw [email protected]

A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

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Page 1: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

A Geological History of Britain

Dr Liam Herringshaw

[email protected]

Page 2: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Free resource – www.bgs.ac.uk

Page 3: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Maps

BGS

2007

Page 4: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Accessible text

The Hidden Landscape

Richard Fortey

1993 and 2010 versions

Page 5: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Geo-nealogy

WHERE

WERE

Page 6: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Your Own Geological History

WRITE DOWN:

Where you were born

Where you live

Where you have worked

Where you love visiting

WHERE

WERE

Page 7: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Geology ofBritain

What are the rocks?

What is their order?

What do they record?

Page 8: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

A Britain of2 Halves

North-South divide:

Scotland-northern Ireland = Laurentian

England, Wales, southern Ireland = Avalonian

Page 9: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Geological History: How?

Uniformitarianism:

“The Present Is The Key To The Past”

Page 10: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART

Stratigraphy

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Biostratigraphy

William Smith (1820s, above) buildingon fossil work by Morton (1712, right)

http://www.strata-smith.com/?page_id=312

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Chronostratigraphy

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GeologicalTime

Global standard time scale but historical/local terms used also

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Geological History of Britain

Go NW–SE:

Land's End to John O'Groats no good

Walk Cape Wrath to Dungeness instead

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Major UK gcl units

Page 16: A Geological History of Britain - FossilHubfossilhub.org/wp-content/uploads/2017/03/2017_GHB_Part1_Intro.pdf · Silurian Ordovician Cambnan INTERNATIONAL CHRONOSTRATIGRAPHIC CHART