Day 206 : Microgabbro from Porth Clais, St David’s, Pembrokeshire, Wales

Day 205 : On a Baltic cruise. Ashore in Rostock, Germany. A gneiss from a shop front.

Day 204 : An Ordovician rhyolite from the Strumble Head Volcanics with perilitic texture. Penfathach, Goodwick, Pembrokeshire, Wales.

Day 203 : Middle Cambrian Solva Sandstone from Porth Clais, Pembrokeshire.

Day 202 : Unusually bright red for a marine mudstone, the Lower Cambrian Caerfai Shale, from Caerfai Bay, Pembrokeshire

Day 201 : Another of Staffordshire’s Namurian gritstones – the Rough Rock from Wetley Rocks.

Day 200 : Out in the field again at Ingleton, North Yorkshire. This is Springscote in Twisleton Dale with the horizontal Lower Carboniferous Garsdale Limestone unconformably overlying the vertical Ordovician Ingleton Group and springs at the contact.

Day 199 : Out in the field at the classic Ingleton, North Yorkshire locality. This is Thornton Force with the horizontal Lower Carboniferous Garsdale Limestone unconformably overlying the vertical Ordovician Ingleton Group.

Day 198 : Namurian Knivedon Sandstone from Coombes Valley, Staffordshire.

Day 197 : Namurian Lum Edge Sandstone, from Bradnop, Staffordshire