Mull 2014Leave a comment

Mull Day 6 by Cat

April 24, 2014July 25, 2014 pgtstudentsgeosciences

Day 6 Folding associated with the Igneous centres; dalradian exposures Around Loch Don the Great Glen fault brings a small amount of dalradian rocks on Mull. The succession has then been deformed and folded in response to the emplacement of the igneous centres. The Loch Don anticline brings dalradian schists to the surface in the core of the fold. Conveniently … our last stop was next to the ferry terminal! Originally called Craignurite a cone sheet from centre 1 can be seen cross cutting (pretty messed up) Triassic conglomerates (exposed in the craignure anticline). The cone sheet consists of a … Continue reading Mull Day 6 by Cat

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Mull Day 5 by Cat

April 24, 2014July 25, 2014 pgtstudentsgeosciences

Day 5 Igneous centre 3 All of today was spent – mainly walking up and thankfully down Beinn a ‘ Ghraig. The majority of the hillside was rhyolite which had an intergrowth texture of quartz and feldspar. A small intrusion … Continue reading Mull Day 5 by Cat

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Mull Day 4 by Cat

April 24, 2014July 25, 2014 pgtstudentsgeosciences

Day 4 The Plateau Lavas These make up almost all of Mull and are responsible for the amazing trap/step topography. We floundered across a lot of bog to reach Ardtun. Stumbling down a steep and slimy gully (knowing our lecturer … Continue reading Mull Day 4 by Cat

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Mull Day 3 by Cat

April 24, 2014July 25, 2014 pgtstudentsgeosciences

Day 3 Mesozoic sedimentary succession In a few places in Mull the Triassic and Jurassic rocks are exposed. We drove along long, twistly roads to reach Gribun. Being very careful not to annoy the farmer we headed to the beach … Continue reading Mull Day 3 by Cat

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Mull Day 2 by Cat

April 24, 2014July 25, 2014 pgtstudentsgeosciences

Day 2 Archaean and Proterozoic Excietment today as we got to go on another ferry! This time to the Isle of Iona. Today we looked at the oldest rocks on our trip the Lesisian orthogneiss which are over lain, unconformably, … Continue reading Mull Day 2 by Cat

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Mull Day 1 by Cat

April 23, 2014July 25, 2014 catrionaknott

Day 1 Proterozoic: Moine schists and the Ross of Mull Granite With a less than desirable start to our field trip – horizontal rain which hurts the face (but hey! Its not a proper geo field trip without a bit … Continue reading Mull Day 1 by Cat

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VIDEO Mull 2014 – Day 5

April 23, 2014July 25, 2014 lindakirstein

Investigated the Mull centre 3 complex. From Knock farm ascended Beinn a ghraig and found granophyres, gabbros and rhyolite mingled with basic magma. At the top of the climb looked at volcanic crater filled with vent agglomerate. Despite a wicked … Continue reading VIDEO Mull 2014 – Day 5

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VIDEO Mull 2014 – Day 4

April 23, 2014July 25, 2014 lindakirstein

Spent the day on the Mull plateau lavas and started to investigate the Central Complex centre 1. Check out the columnar jointing in the video clip – absolutely awe inspiring! Continue reading VIDEO Mull 2014 – Day 4

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VIDEO Mull 2014 – Days 3 and 4

April 23, 2014July 25, 2014 lindakirstein

Two days of more amazing rocks completed. Walked from Moine sediments across major unconformity and then up through the Mesozoic sedimentary succession – Triassic, Jurassic and Cretaceous sequence and arrived at the Plateau basalts. Continue reading VIDEO Mull 2014 – Days 3 and 4