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The Clackmannan Group is the name given to a suite of rocks of late Dinantian and Namurian age laid down during the Carboniferous period in the Midland Valley of Scotland. [ 1 ] Description
In Scotland these rocks are found predominantly in the Moray Firth basin and Orkney Archipelago, and along the southern margins of the Highland Boundary Fault. Elsewhere volcanic activity, possibly as a result of the closing of the Iapetus Suture, created the Cheviot Hills , Ochil Hills , Sidlaw Hills , parts of the Pentland Hills and Scurdie ...
The Inverclyde Group is a Carboniferous lithostratigraphic group (a sequence of rock strata) in southern Scotland and northernmost England. The name is derived from Inverclyde. The rocks of the Inverclyde Group have also previously been referred to as the Cementstone Group and Stirling Group.
The Strathclyde Group is a geological group found in the Midland Valley of Scotland. It preserves fossils of the Visean age (early Carboniferous period ). [ 1 ]
A variety of igneous rocks intrude the Dalradian sequence, including dykes, sills and plutons. Along the Highland Boundary Fault is a zone of metamorphosed rocks grouped as the Highland Border Complex and dated to the Cambrian and Ordovician periods. There are outliers of Carboniferous age rocks to the east and west of Loch Lomond.
The Scottish Coal Measures Group is a lithostratigraphic unit referring to the coal-bearing succession of rock strata which occur in Scotland during the Westphalian regional stage of the Carboniferous Period. It is the Scottish portion of the informal Coal Measures Group, which also includes the South Wales and Pennine coal measures.
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The main geographical divisions of Scotland. The Central Lowlands, sometimes called the Midland Valley or Central Valley, [1] is a geologically defined area of relatively low-lying land in southern Scotland. It consists of a rift valley between the Highland Boundary Fault to the north and the Southern Uplands Fault to the south. [2]