Transactions of the Geological Society of Glasgow, Volume 23

already Anderson appears associated B.Sc basement beds Britain Caledonian Carboniferous considered deposition described developed Devonian direction district dykes early environment evidence example existence experiment experimental Fault fishes floor folding formation formed fossils Geol Geological Glasgow Glen gneisses graben graded granite groups Highlands igneous important indicate interpretation intrusion Kennedy known land later Lewisian Limestone locally Loch Lower MacGregor major maps marine Measures Meeting metamorphism Midland Valley migmatitization Moine Moine Schists movement nature Note observations occur Old Red Sandstone origin period phase possible present probably problem Read recent reference regarded region relation relatively represented result Road rocks Schists Scotland Scottish sediments Series Silurian similar Society Southern Uplands strata structure succession suggests Survey tectonic tetrapod thickness Thrust tion Trans Transactions University Upper Watson Westoll zone