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Wednesday 26th July: Meet at 10:00 at the parking area to the south of Cocklawburn Beach, where the ice cream van usually stands just before the Cockley Burn. The walk will be about 4km and will involve some walking on rocky shoreline which can be slippery when wet.
Over the last two and a half million years the earth has been in an ice-age, with this area repeatedly invaded by ice sheets as the polar ice caps expanded in the coldest phases of this period. These cycles of global cooling and warming tell us a fascinating story when we ask the question why; a question which places the earth in its context of the galaxy. The rubbish left behind by the ice sheets also tells us useful information about where the ice sheets have been and reveal another fascinating story.
This walk will be used to give the background to these stories and introduce the different rock types which will allow us to carry out an investigation into the glacial tills which are preserved on the beach here.
The natural cycles of global warming and cooling which all of this informs us about are a necessary prelude to understanding the impact that man is having on the global climate - Anthropogenic Global Warming (AGW) as it is known. This we will explore too.
This walk has been funded by the Peregrini Lindisfarne Landscape Partnership Scheme, participation is free and is part of the Community Geology project.