Geology Explained in South WalesDavid and Charles, 1973 - 211 Seiten |
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Seite 96
... Millstone Grit represents another fairly sudden change in conditions , with rivers again invading the area with mud and sand . Gower probably lay near to the sea's edge and much of Gower's ' Millstone Grit ' is a misnomer in that the ...
... Millstone Grit represents another fairly sudden change in conditions , with rivers again invading the area with mud and sand . Gower probably lay near to the sea's edge and much of Gower's ' Millstone Grit ' is a misnomer in that the ...
Seite 139
... Millstone Grit fossils . One locality lies a little way up the stream called Nant Gwineu , which enters the Mellte ( on its left bank ) 400 yards below the Mellte bridge ( and just upstream from a small footbridge over the same river ) ...
... Millstone Grit fossils . One locality lies a little way up the stream called Nant Gwineu , which enters the Mellte ( on its left bank ) 400 yards below the Mellte bridge ( and just upstream from a small footbridge over the same river ) ...
Seite 145
... Millstone Grit country in the Neath headwater region is the large number of deep holes in the land surface . These can be especially well developed near the base of the Millstone Grit , as on Cefn Cadlan ( Penderyn ) . Many small ...
... Millstone Grit country in the Neath headwater region is the large number of deep holes in the land surface . These can be especially well developed near the base of the Millstone Grit , as on Cefn Cadlan ( Penderyn ) . Many small ...
Inhalt
INTRODUCTION | 9 |
THE LAND OF ST DAVID | 21 |
FROM ANCIENT VOLCANOES TO STONEHENGE | 35 |
Urheberrecht | |
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Geology Explained in South Wales T.R. Owen,T. R. (Thomas Richard) Owen Keine Leseprobe verfügbar - 2006 |
Häufige Begriffe und Wortgruppen
Anticline ashes bands Basal Grits beds belt boulder brachiopod breccias Cambrian Carboniferous Limestone Castle cave Cefn Bryn Cennen clay cliffs Coal Measures coarse coast conglomerates coral Crinoidal Cynon dark deposits Devonian dolerite earth movements east eroded erosion exposed fault Fawr feet felspar Figure Fishguard flowing fold formed fossil fracture gabbro geological Geology Explained glacial Gower grey headland hills Ice Age igneous rocks inlet intrusions island Jurassic lamellibranchs lavas layers Lias Lower marine Mellte miles Millstone Grit mudstones Neath northern occur Old Radnor Old Red Sandstone Oolite Ordovician outcrop pebbly Pembrokeshire Pennant Sandstone Precambrian quarry quartz quartzite Red Marls Rhaetic Rhosili rhyolite ridge river River Neath road sand sea level Seamouth sediments seen shales side Silurian slates slopes South Wales Coalfield southern stone Stonehenge strata surface Swansea Valley Syncline Taff thick thrust Triassic trilobites upfold Upper village volcanic waterfall Welsh western zone