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AN INTRODUCTION TO VOLCANOES
THE ARTHURS SEAT VOLCANO
THE REMNANTS OF THE CONEI
6 other sections not shown
abundant agglomerate amygdales analcite Arthur's Seat Volcano augite black crust blocks calcite Calton Hill carbonate Castle Rock Cementstone Group chlorite cliff cone consist crater lavas crystals decomposed dip-slope Dry Dam Duddingston Ash Dunsapie basalt Dunsapie Hill Dunsapie Loch dyke east eroded exposures formed fragments freshly broken surfaces Girnal Crag grey on freshly haematised Holyrood Park igneous rock inch indurated irregular joints junction lava flows limestone Lion's Haunch Vent Lion's Head Basalt Lion's Head Vent localities Loch Long Row Lower Ash magma Markle basalt mass matrix minerals mugearite northern occur olivine outcrop overlying phenocrysts plagioclase plug poorly exposed portion prominent Pulpit Rock Vent Queen's Drive Salisbury Crags Sill Samson's Ribs Samson's Ribs Intrusion scarp sediments seen shales shows southern sparse St Anthony's Fault St Leonard's Sill teschenite thin-section tuff Upper Ash veins vesicles volcanic rocks weathers Whinny Hill Whinny Hill Succession xenolith yards