Uncategorized

Day 252 : The Coralliferous Group from its type locality at Marloes Sands, Pembrokeshire.  Alternating marls and limestones interpreted as tempestites.

Day 251 : West Angle Bay in South Pembrokeshire displays Carboniferous Limestone with graded bedding and bioturbation, possibly escape burrows as a consequence of rapid deposition.

Day 250 : Layered Gabbro from the St David's Head Intrusion, Pembrokeshire exhibiting cross bedding indicating current flow in the magma.

Day 249 : In the field near St David's, Pembrokeshire.  These are Ordovician sediments at Porthmelgan showing ripple marks and bedding / cleavage relationships.

Day 248 : Visiting Wales for a week and I stopped off at the National Botanical Garden of Wales, which actually has a Welsh geology sub-theme.  This image shows bioturbation of layers within a slate surround of a pond.

Day 247 : The Ordovician Ennerdale Granophyre from Ennerdale, Cumbria, England. Keele Collection.

Day 246 : Microgranopyhre from Praze-An-Beeble, Cornwall, England. Keele collection.

Day 245 : Granophyre contaminated with inclusions of basalt from the bay just south from the Point of Ardnamurchan, Scotland.  Keele Collection.

Day 244 : A granophyre from Carrock Fell in the northern Lake District, Cumbria, England. Keele Collection.

Day 243 : The Palaeogene age An Sithean granophyric microgranite from Broadford on the Isle of Skye, Scotland. Keele collection.