OPEN UNIVERSITY GEOLOGICAL SOCIETY - LONDON BRANCH

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LOUGS LONGER TRIPS 2018 - 2019

Please use the Registration Form to express your interest in these events and obtain more information.


Fieldwork is an essential part of geology. Whether it is someone looking at rocks for the first time or people engaged in speciality research, the field element is essential.

It is recommended to register with the event's organiser so that you can be notified of any change, and to avoid events being over-subscribed. We will always try to contact anyone who has registered an interest in a trip in advance. If you have registered and find that you will not be able to attend please inform the event organiser to allow someone else to take your place.

Details of events more than two months ahead are provisional. None of the event descriptions here constitute a brochure under the Package Travel Regulations (1992).

Upcoming longer trips

This trip will examine the rocks and structures associated with the Cadomian Orogeny – a 700 to 400Ma old Andean-type subduction zone on the margin of the supercontinent of Gondwana, broadly contemporaneous and comparable in tectonic setting with the igneous rocks forming the basement of southern Britain (Malverns, Charnwood Forest, Church Stretton etc), but much better exposed – the only cover being the Cambrian quartzites deposited following folding and uplift.

The low grade metamorphosed sediments and volcanic rocks of Jersey have more in common with those of Southern Normandy and Baie de St Brieuc, than those of greater age, deformation and metamporphic grade in the other Channel Islands and northern Normandy. The inference is that all three areas were much more widely separated during formation than they are today, despite occupying a similar palaeogeographic position.

There was extensive plutonic activity, gabbros, diorites and granites being intruded, up until the last (south west) granite at about 580Ma, which post-dated the main Cadomian folding. Only periglacial and temperate Quaternary deposits are found on top of the Cadomian rocks, that were peneplaned in Mesozoic and Tertiary times.

Coastal exposure is superb, with some spectacular rocks and features, and all lies within easy reach on a very unhurried and pleasant island.

Contact: Nicole Gay


Saturday 13

9 am : Landers Quarry, Swanage - Purbeck Limestone
Afternoon dependent on weather conditions : visit either Durlstone Country Park or Lulworth Visitor Centre.

Sunday 14

Sunday morning, we have a tour booked at the Etches Collection led by Steve Etches, the time for this will probably be around 10 am.
Following this there will be a visit to the Purbeck Mineral and Mining Museum at Norden. The museum is quite small but worth a visit as it details the extraction of Ball Clay (used in the pottery industry) from the surrounding area.
Other attractions if you do not wish to visit the mining museum or that can be included afterwards are the Swanage Steam Railway and Corfe Castle (National Trust).

Contact: Sue Vernon


The Scottish borders are notorious for witnessing the death of an ocean. As such they are the perfect place to interrogate, in an attempt to understand what happened as the oceanic sediments of the Ordovician and Silurian Iapetus Ocean were sliced and folded into the suture of the first physical union of England and Scotland.

This trip will visit locations which straddle the Caledonian and Acadian orogenies looking at the tectonic, igneous, climatic and evolutionary changes that occurred. Centred on the beautiful borders town of Kelso this field trip will explore some of the classic coastal exposures in Berwickshire and Northumberland including Hutton’s Unconformity and the northernmost outcrop of the Whin Sill on Lindisfarne. There will also be an opportunity to explore the Cheviot volcanic complex and other magnificent landforms underpinned by magmatic activity.

The area also happens to be riddled with great history, archaeology and natural history which will inevitably find its way into the schedule, not least because the geology and landscape have had a hand in their making.

Contact: Nicole Gay