Brittany fieldtrip Easter 2013 First stop: Port Navalo, south Brittany
Transcription
Brittany fieldtrip Easter 2013 First stop: Port Navalo, south Brittany
Brittany fieldtrip Easter 2013 First stop: Port Navalo, south Brittany Migmatites formed during the Variscan orogeny Day 2: early morning ferry to Isle de Groix! Arrival on Isle de Groix, first stop nearest bakery Variscan blueschists and eclogites on the south coast of Isle de Groix Day 3: detailed mapping of folded Brioverian rocks Remember how to take strike and dip?! Day 4: Ordovician sedimentary rocks on the Crozon Peninsula Mapping of Lower Palaeozoic sedimentary rocks at Plage de Very’ach (one eye on the tide!) Day 5: walking down to ‘Garnet Cove’ near Le Conquet Superb garnets with inclusion trails and dextral kinematic indicators Classic shear zone geometry in deformed Variscan plutonic rocks Day 6: detailed mapping of Brioverian-red bed contacts at Brehec Day 7: mapping of Brioverian contact with Penthievre Complex plutonic rocks at Jospinet Brioverian pillow lavas at Erquy Mafic enclaves in the Fort la Latte quartz diorite Cross-bedding in Cambrian sandstones at La Fosse Day 8: detailed mapping of the boundary of the St Quay quartz diorite Followed by a well-deserved beer at the end of the day! Day 9: Variscan granites in North Brittany – Brioverian rocks overlain by granite Coastal scenery in the granite terrain of North Brittany Group photo – end of fieldtrip!