Alan McKirdy

The written history and archaeological records of Central Scotland take us back to Pictish times some 5,000 years ago. The geology of the area stretches back a further 400 million years. The oldest rocks are found near Lesmahagow and in the Pentland Hills. Known geologically as 'inliers', these are small areas of rocks from an older age, surrounded by younger...

The archipelagos of Orkney and Shetland are the products of some of the most dramatic events which have occurred in the Earth's history. The Shetlands are the eroded roots of a vast mountain range that once soared to Himalayan heights and extended from Scandinavia to the Appalachians. Around 65 million years ago, this mighty chain was split asunder by the...