Mercia Rocks OUGS West Midlands Branch Newsletter
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Mercia Rocks OUGS West Midlands Branch Newsletter Issue No 2 (2017) June 2017 Former Bell Pits near Sheldon Derbyshire—Sandra Morgan (Moyra Eldridge Competition—Highly Commended) Branch Officers Contents Branch Organiser – Sandra Morgan Branch Organiser’s report p 2 Branch Treasurer - Susan Jackson Field Trip programme p 3 Newsletter Editor – Mike Hermolle Field trip reports P 6 Other Societies p 27 Branch Committee Notices and Information p 28 David Green, Alan Richardson If you would like to join the committee please do get in touch [email protected] [email protected] 1 BO Report March 2017 Dear all, After our branch AGM in January and two of Alan Richardson's popular workshops, an Igneous Labora- tory in February and a Metamorphic Laboratory in March, our field trip season began with A Transect of Warwickshire Part Two: The Mesozoic on 2 April. Following last year's successful transect through the older, northern rocks of Warwickshire, led by Martyn Bradley, the aim of this year's field trip was to explore the younger, southern rocks of the county as found in several sites of different ages. We missed Martyn, who was unable to be with us for health reasons, but Paul Stevenson stepped into the breach and provided us with an interesting and varied itinerary. On 22 April we held our first joint field trip with the Black Country Geological Society, to Mortimer For- est, very ably led by Paul Olver. Our branch has found that numbers on field trips can be quite low and BCGS is finding the same, so it makes a lot of sense to pool resources. For our first joint trip we had 19 participants plus the leader, and this helped to create a very positive mood of energy and enthusiasm, helped by sunshine and interesting fossil finds! On 29 April Alan Richardson led our third field event, a repeat of his excellent field skills day at loca- tions in Shropshire. This event introduced participants to the methodologies of field recording and interpretation. The group visited three locations: Quatford, Upper Ludstone and Bridgnorth, to devel- op their field investigations skills, focusing on the relative dating of sedimentary formations. Our next trip will be a visit to Lickey Hills, led by Julie Schroder, on Sunday 2 July. Here we will be able to see Ordovician Lickey Quartzite, Permian Clent Breccia and Triassic Kidderminster Formation. See details in this newsletter. The Society AGM took place in Milton Keynes on 13 May. Three items from the discussion: Falling membership numbers were discussed – see the Membership Secretary's report on page 10 of the Annual Report (at the back of the Proceedings). A proposal was passed changing the Membership renewal deadline so that the Membership renewal date continues to be 1 January but the deadline for payment will be 31 January. A proposal was passed limiting branch organisers to a maximum of six continuous years in office. This is to bring branch organisers in line with other members of the Executive Com- mittee. The AGM weekend also included two lectures, a dinner, visits to OU Earth Science laboratories and a field trip to Combs Quarry for those who stayed until Sunday. The results of the Moyra Eldridge photo competition were announced. The entries can be viewed on the OUGS flickr site:https:// www.flickr.com/photos/ougs_photo_competition/albums/with/72157681186585500 . The winning en- try has been placed in the first position in each section, and is followed by the highly commended im- age(s). Next year's AGM will be held at at the Shap Wells hotel in Cumbria on 21 April. And finally, a reminder about this year's Symposium, to be held in Edinburgh on 18-20 August. This promises to be an excellent event with a variety of interesting speakers and a range of field trips. For further details see http://ougs.org/society_events Best wishes, Sandra [email protected] 2 Forthcoming Field Trips and Events Each person attending a field meeting does so on the understanding that he/she attends at his/her own risk. The OUGS has Public Liability Insurance Cover for field and indoor meetings, but Personal Accident Cover and Personal Liability Cover remain the responsibility and personal choice of the participant. There may be an element of appropriate cover included in house insurance or in travel insurance: although OUGS activities are not particularly dangerous, members are advised to check whether exclusions apply to activities in which they plan to participate in case they wish to arrange further cover. An annual travel insurance may be the best solution for any member who regularly attends field events: this again is a matter of personal choice. Programme 2017 Sun 2 July Lickey Hills. Leader Julie Schroder. Contact Sandra Morgan [email protected] 18-20 August Symposium, Edinburgh. See Society newsletter or website. Sun 1 October South Malverns. Leader John Payne. Contact David Green [email protected] Autumn dates tbn Alan Richardson’s Lab Workshops Contributions to the Newsletter are always welcome. The subject matter can be anything geological that you think other members would like to read. Items for inclusion in the next Newsletter, by email to: [email protected] by 31 August 2017 We particularly need trip reports, photographs for the header on Page 1 and you’ve seen my “Rocks Thru the Windscreen” —why not submit one for a regular journey you do. Mike Hermolle [email protected] 3 Open University Geological Society West Midlands Branch Lickey Hills Geology and Landscape Sunday 2nd July 2017 Leader Julie Schroder and members of the Lickey Hills Geo-Champions Group Meet at 10.15 for 10.30 start at the Lickey Hills Visitor Centre, Warren Lane, Rednal, Birmingham B45 8ER. Grid Ref: SO 997753. Approximate finish time 16.00. After a brief introduction, the morning will be spent following the Lickey Hills 'Champions' trail (approx 1½ miles) examining different outcrops of the Ordovician Lickey Quartzite in the context of the wider landscape. We will examine some surprise findings from recent geoconservation work in Warren Lane Quarry and find evidence of turbulent geological events in the Barnt Green Road 'overfold' quarry. Back at the Visitor Centre for lunch (light snacks available or bring a packed lunch), there will be time to examine maps and other documents. After lunch we will explore the younger formations to the west of the Lickey ridge, via Lickey gorge to Beacon Hill (Permian, Clent Breccia) and returning to the Visitor Centre via Lickey Warren (Triassic, Kidderminster Formation). Approx. 2½ miles. Some steep slopes and rough ground. Strong footwear advisable. Hi-viz jackets recommended, and hard hats for close examination of exposures. The trip is open both to OUGS members and to people who are not members of OUGS. Cost: OUGS members free, non-members £2. For further details and to book a place, email Sandra Morgan at : [email protected] [email protected] 4 Sun 1 October South Malverns Leader John Payne. Contact David Green [email protected] A shared trip with the Black Country Geological society Time and Location Start 10.00. Meet Hollybush car park (free) on north side of the Tewkesbury to Ledbury road at the crest of the Hollybush Pass over the Malvern Hills. Grid Reference SO 759 369. Overview and Geological Interest On this walk we will see the rocks of the south Malvern Hills and their immediate surroundings and discuss the geological aspects of the view from the hill top. The walk starts with a steep 100 metre climb but this is taken slowly and in stages. We visit first the site of a recently constructed earth house to see a thrust fault (an element of the East Malvern fault system). At the top of Raggedstone Hill the scenery, structure and geology of the hill and its surroundings will be described, followed by an early lunch. The first of several volcanic dykes which we shall see on the walk outcrops here. On the south ridge of the hill is an exposure of the Cambrian/Precambrian unconformity which here forms the western boundary of the igneous and metamorphic rocks of the Malvern ridge. Lower on the hill is a quarry showing some of the variety of Malvern’s metamorphic rocks, particularly a phyllonite. We will visit a small waterfall on a Triassic conglomerate of local rocks. A small quarry at Coal Hill shows interleaved Ordovician lava and Ordovician shales. On Chase End Hill, the most southerly of the Malverns, is an exposure of Malvern gneiss. The return to the cars passes an exposure of baked Cambrian shale and a quarry in andesitic lava with a nearby much decorated ancient oak. The final stop will be at the recently cleared roadside exposure at Hollybush, showing two distinct intrusions into the Cambrian Hollybush Sandstone. Practicalities The tour is scheduled to take 6.5 hours. Estimated finish: 4:30pm The length of the walk is about 7km and there are some hilly bits. There is one short but steep descent on rather mobile gravel (but on a well-used path) and another on grass. There are no facilities of any sort on the route of this walk. Bring a packed lunch. Wear walking boots and clothing appropriate to the weather. [email protected] 5 Field Trip Reports A Transect of Warwickshire Part Two: The Mesozoic Sunday 2 April 2017. Leader Paul Stevenson. Following last year's successful transect through the older, northern rocks of Warwickshire, the aim of this year's field trip was to explore the younger, southern rocks of Warwickshire as found in several sites of different ages.