Geology of the Country Around Carrickfergus and Bangor: Memoir for One-inch Geological Sheet 29 |
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25 pages matching Lower Palaeozoic rocks in this book
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Contents
Anticline in Ordovician rocks | 7 |
Palacontology | 9 |
Lithology of the Portavo Formation | 16 |
Copyright | |
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Common terms and phrases
anhydrite anomalies Ballycultra Formation bands basalt basin beds Belfast Lough borehole boulder clay breccia calcite calcitised Carboniferous Carneal Carrickfergus chalk chlorite cleavage Cloghfin Coalpit Bay Conlig Copeland Island County Antrim Craigavad Cretaceous Cultra deposits dolerite Donaghadee Duncrue dykes Estuarine Clay evaporites fauna flint folds foreshore fossils Geol Geological Survey glauconitic grains graptolites gravity greywacke grits groundmass gypsum halite Hibernian Greensands Holywood intrusion Island Magee Kilroot Kinnegar Knockagh Larne lavas lithology Lower Palaeozoic rocks Magnesian Limestone Marls Mercia Mudstone Group micrite minerals mines mudstones Newtownards north-east Northern Ireland occur olivine Ordovician Orlock Bridge Fault ostracods outcrop Palaeozoic peat pebbles Penarth Group Permian phenocrysts plagioclase Portavo pyroxene raised beach recorded salt sand sandstones Scotland sediments Shaft shales Sheet siltstones Silurian Southern Uplands Fault specimens spinel strata Tertiary thickness thin trending Triassic Ulster White Limestone Upper Whitehead Zone