Scottish Highlands in the Torridon Hills such as Liathach and Beinn Eighe in Wester Ross. These foundations are interspersed with many igneous intrusions of a more recent age, the remnants of which have formed mountain massifs such as the Cairngorms and the Cuillin of Skye. A significant exception to the above are the fossil-bearing beds of Old Red Sandstone found principally along the Moray Firth coast and partially down the Highland Boundary Fault. The Jurassic beds found in isolated locations on Skye and Applecross reflect the complex underlying geology. They are the original source of much North Sea oil. The Great Glen
Scottish island names and Forth are Brythonic and those to the north and west are of Pictish origin. This Goidelic language arrived via Ireland due to the growing influence of the kingdom of Dalriada from the 6th century onwards. It is still spoken in parts of the Scottish Highlands and the Hebrides, and in Scottish cities by some communities. It was formerly spoken over a far wider area than today, even in the recent past. Scottish Gaelic, along with modern Manx and Irish, are descended from Middle Irish, a derivative of Old Irish, which is descended in turn from Primitive Irish. This the