Palaeo geography

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GCSE Geology Paleo-geography of the British Isles

Transcript of Palaeo geography

Palaeo-Geography British Isles

Lower Palaeozoici) Lower Palaeozoic - Britain was south of the

equator: evidence for plate collision

from Caledonian orogenic belt.

turbiditesgranites, regional

metamorphism, thrusts, folds

Lower Palaeozoici) Lower Palaeozoic - Britain was south of the

equator: evidence for plate collision

from Caledonian orogenic belt.

turbiditesgranites, regional

metamorphism, thrusts, folds

Lower Palaeozoici) Lower Palaeozoic - Britain was south of the

equator: evidence for plate collision

from Caledonian orogenic belt.

turbiditesgranites, regional

metamorphism, thrusts, folds

Ordovician

Lower Palaeozoici) Lower Palaeozoic - Britain was south of the

equator: evidence for plate collision

from Caledonian orogenic belt.

turbiditesgranites, regional

metamorphism, thrusts, folds

Silurian

Upper Palaeozoic (ii) Upper Palaeozoic -

Britain drifts across the equator.

tropical seas [limestone] swamp forest [deltas, coal

formation] desert conditions 15oN

[wind-formed dune-bedded sandstone, evaporites,

breccia]  Devonian

Upper Palaeozoic (ii) Upper Palaeozoic -

Britain drifts across the equator.

tropical seas [limestone] swamp forest [deltas, coal

formation] desert conditions 15oN

[wind-formed dune-bedded sandstone, evaporites,

breccia]  Carboniferous

Upper Palaeozoic (ii) Upper Palaeozoic -

Britain drifts across the equator.

tropical seas [limestone] swamp forest [deltas, coal

formation] desert conditions 15oN

[wind-formed dune-bedded sandstone, evaporites,

breccia] 

Carboniferous

Upper Palaeozoic (ii) Upper Palaeozoic -

Britain drifts across the equator.

tropical seas [limestone] swamp forest [deltas, coal

formation] desert conditions 15oN

[wind-formed dune-bedded sandstone, evaporites,

breccia]  Permian

Mesozoic Britain at 30o -

40oN; separation of Africa from America

extensive warm seas [limestone]

Jurassic

Mesozoic Britain at 30o -

40oN; separation of Africa from America

extensive warm seas [limestone]

Cretaceous

Cenozoic opening of north

Atlantic; Britain at 50o - 60oN; diverging plate

volcanism in NW Britain; glaciation

volcanism (flood basalts)

glaciation (glacial till)

Tertiary

Cenozoic opening of north

Atlantic; Britain at 50o - 60oN; diverging plate

volcanism in NW Britain; glaciation

volcanism (flood basalts)

glaciation (glacial till)

Quaternary