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1:250 000 Geological Map
This range of geological maps show the general geology of the area, they come in either folded (for taking on the field), or flat (for wall mounting)
Buy from UKGE |
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1: 50 000 Geological Map
This range of geological maps show the localised geology, they come in either folded (for taking on the field), or flat (for wall mounting)
Buy from UKGE |
Carboniferous
GEOGRAPHY AND CLIMATE: Gondwanaland joins the Northern land masses to form Pangaea, Warm climate cooled to an ice age in the Southern Hemisphere Marine limestone's overlaid with coal seams.
TERRESTRIAL ANIMAL LIFE: Age of Amphibians, first reptiles appear, snails Centipedes and millipedes cockroaches and giant dragonflies.
PLANT LIFE: Rich flora of giant tree-ferns, horsetails and conifers from the swampy coal forests.
SEA LIFE: Ammonites, Brachiopods in the seas. Rugose corals, graptolites trilobites and some forms of Bryozoans, crinoids and mollusc's disappear. |
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Geological Guide to
Great Ormes Head
The Carboniferous Limestone Series at Great Ormes Head is of Visean age. It is part of the Clwyd Limestone Group. This is around 330 million years old. This is a diverse range of limestone facies with subordinate sandstone and mudstone units, and exhibiting local dolomitisation. Records the initiation and growth of a carbonate platform along the northern flank of the Wales-Brabant Massif.
How life in the oceans would have looked at Great Ormes Head 350mya
(C)opyright - Free Software Foundation (FSF)
Visean
327 - 340 MYA |
| Brigantian |
Beadnell Formation |
Beadnell |
| Clwyd Limestone Group |
Caim
Great Ormes Head
Llangollen
Prestatyn
Red Wharf Bay
Moel Findeg
Burley Hill |
| Craven Group |
Halkyn |
Kinghorn Volcanic Formation |
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Aberlady Formation |
Skateraw Limestone |
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Longcraig Limestone |
Pathhead Formation |
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Lower Limestone Formation |
Neilsons Shell Bed |
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Blackhall Limestone |
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Kenny Limestone |
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| Asbian |
Bee Low Limestones |
Millers Dale Lsts |
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Clee Tor Rock |
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Massif Limestones |
Reef Limestone |
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Loggerheads Limestone Formation |
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Leete Limestone Formation |
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| Holkerian |
Woo Dale Limestones |
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Calciferous Sandstone Series |
Anstruther
Crail
St Monans
St Andrews |
Burdiehouse Limestone |
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Camps Shale |
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Pumpherston Shale |
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Algal Limestone |
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White Trap |
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| Arundian |
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