Leeds Geological Association


Field Visits 2019


Forthcoming field meetings

 


FIELD PROGRAMME 2019 EXCURSION DETAILS PREVIOUS FIELD PROGRAMMES

Details of the 2019 field calendar are set out below. For further information please contact Judith Dawson, the Field Visit Secretary, by telephone (0113 2781060) or email (dawsonemail@tiscali.co.uk).

Although not part of the LGA Field Programme, we would also mention that Bill Fraser will lead additional walks around the Roundhay Park Geology Trail on the following afternoons: Wednesday 3th July 2019 and Saturday 14th September 2019 (dates currently provisional). Meet at 1.15pm for a 1.30pm start at the Visitor's Centre, Mansion House. The walk is free, covers approx 3km and takes about 2.5 hours. For further information contact Bill Fraser on 0113 2608764 or email w.fraser@btinternet.com

Field Programme: 2019

DATE & TIME SUBJECT LEADER
11 May 2019
Saturday Daytime
Ilkley Moor - Geology & History Dr Gareth Martin
David Leather
LGA & WYGT
23 May 2019
Thursday Evening
Prince of Wales Park, Bingley Bill Fraser
LGA
4 June 2019
Tuesday Evening
St Chad's Church, Far Headingley Dr John Varker
LGA
22 June 2019
Saturday Daytime
The Flamborough Area Dr Rodger Connell
Hull University
14 July 2019
Sunday Daytime
Malham Cove & Gordale Scar Dr Doug Holliday
BGS (retired)
07 Sept 2019
Saturday Daytime
Roseberry Topping & Cliff Rigg Quarry Alan Simkins
Chris Hill
Tees Valley RIGS
04 - 06 Oct 2019
Friday - Sunday
Residential Weekend:
Abberley and Malvern Hills Geopark
 

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Excursion Details
Details of this year's field excursions may be found below.

In addition to the specific requirements for each excursion please also note the following general points:

Attendance

Whilst there is normally no requirement to book, it is helpful to know in advance who will be attending - please contact Judith Dawson (Tel 0113 2781060 or e-mail dawsonemail@tiscali.co.uk). This ensures an adequate number of handouts can be prepared and that attendees can be made aware of any late changes to the meeting. If subsequently you find that you cannot attend, please let Judith know. Occasionally, numbers are restricted and you must book beforehand. This is noted below where relevant.

On the day, if you are lost or delayed, Judith can be reached on: 07561 855871.

The LGA makes no charge to members for attending field visits but occasionally a charitable third party may seek a small donation. Where relevant, this is noted below.

Transport

Please share cars where possible as parking at some venues may be restricted - the notes below will indicate where this is particularly important. If you need a lift, please contact Judith who will try to help.

Equipment

You should wear clothing and footwear suitable for the weather expected on the day (e.g. waterproofs) if wet and sun protection if hot and sunny. You should also be prepared for a change in the weather and adverse ground conditions. Most if not all of the day will be spent outside. Walking boots and a packed lunch (with fluid) are required unless otherwise indicated. Unless otherwise indicated hard hats and high visibility jackets are not required and hammering is not permitted. If hammering is permitted, safety goggles must be worn. Otherwise bring normal field gear such as lens, specimen bags etc. Binoculars are always useful.

Safety

Safety is taken very seriously. Apart from the usual risks associated with walking over often difficult, rough or slippery terrain when out in the country or on the sea shore, there are those associated with examining geological features which are frequently sited in exposed or awkward locations. You should observe the Geologists Association's Fieldwork Code and seek the leader's permission before using a hammer (and wear safety goggles once granted). You must inform the leader if you leave early. Some meetings may be physically demanding. If you are unsure about your ability to participate, please let the organiser or the leader know. Neither the leader nor the organisers are able to provide first aid.

The leaders of the meetings reserve the right to refuse to lead anyone whose clothing or behaviour is inappropriate for the safety of the group.

Insurance

The LGA has a Public Liability Insurance Policy which covers claims by:
  • Members and Third Parties against Leaders and the Association
  • Members against other members
The Policy also covers claims for damage to property caused by leaders and members.

The personal accident insurance cover for members is extremely limited and you may wish to take out your own policy to cover you in case of an accident.

Visitors are always welcome. Apart from the event which forms part of the programme for Yorkshire Geology Month, visitors are required to become temporary members for the duration of the Field Meeting. Their subscription/day fee is £2 each.

You are responsible for your own safety and should have regard to that of others. You must follow the leader's instructions at all times. All members must sign the Attendance Register and provide a telephone number of who is to be contacted in case of an accident.

Saturday 11th May 2019 — Ilkley Moor - Geology & History

This meeting is part of Yorkshire Geology Month and GeoWeek.

Leaders: Dr Gareth Martin and David Leather, LGA and West Yorkshire Geology Trust.

Purpose:

Ilkley Moor has a rich geological, natural and archaeological history which is easily accessible and is situated within a beautiful upland landscape. This walk has been organised as part of Yorkshire Geology Month and GeoWeek and aims to show the visitor some of the most interesting sites on the moor as part of a circular walk of ~5.5km. On your way you will see evidence of the huge rivers which covered Yorkshire over 310 million years ago as well as extremely rare rocks which show the tides which, at that time, rose and fell at the mouth of these rivers on a daily basis. You will also see how glaciers from the last Ice Age eroded the rocks on the moor and led to the formation of huge landslides. In addition to the rich natural history of the moor the walk will also highlight the human influence on the moor, from beautifully preserved and mysterious prehistoric cup and ring structures and enclosures and how humans utilised the geology of the moor as a natural resource, to how Charles Darwin enjoyed his trips to the spa town of Ilkley and what illness may have afflicted him!

Geology: Carboniferous, Quaternary.

Practical arrangements:

Meet at 10am at the Cow and Calf Car Park (SE1322646738, LS29 8RF) off Hangingstone Road. (The car park can be busy but road-side parking is available to the east.) Toilets and cafe at car park. Finish about 4pm.

Walk of about 5.5km (3.5miles) on paths with a few steep sections, total ascent of 160m (525ft). The route crosses a stream using a number of large boulders.

Bring good footwear and warm clothing (including waterproofs) appropriate for the weather together with a packed lunch and drink. Children should be under close supervision at all times. Any dogs must be kept under control and on a short lead.

Maps and references:

Aitkenhead, N. (2003). How did the Calf get there? Ilkley Moor and the Cow and Calf Rocks. Geology Today, Vol.19, No. 5, September-October, 2003.

BGS Bradford 1:50000, Sheet 69 geological map. Also, Waters, C.N. (2000). Geology of the Bradford District. Sheet Description of the British Geological Survey 1:50,000 Series Sheet 69 Bradford.

Leather, D. Ilkley Moor Geology Trail. Wharfedale Naturalists' Society.

Leather, D. (1996). The Walker's Guide to Mid Wharfedale & Washburn Valley.

Stephens, J.V., Mitchell, G.H. and Edwards, W. (1953). Geology of the Country between Bradford and Skipton. Geological Survey Memoir.

A handout will be available on the day and may be downloaded beforehand from the link below.

Download the Excursion Guide (14.1 MB, pdf)


Thursday 23rd May 2019 — Prince of Wales Park, Bingley

This meeting is part of Yorkshire Geology Month.

Leader: Bill Fraser, LGA.

Purpose:

Prince of Wales Park was opened in 1865 in a disused quarry that had previously worked for local building purposes the Namurian, Rough Rock of the Rossendale Formation, the youngest unit of the Millstone Grit Group. Good sections of the Rough Rock, are exposed in old quarried faces and display many of the characteristic textures and sedimentary structures (both large and small scale) of the sandstone as well as a fault (which probably was the reason for the closure of the quarry). Lining the edges of many of the paths that criss-cross the Park are sandstone blocks full of fossil bark impressions and a quite impressive cast which will have probably come from the quarry when it was working.

Geology: Carboniferous.

Practical arrangements:

Meet at 5.45 pm for a 6.00 pm start at the main gates to the Park which are at the junction of Park Drive and Lady Lane. Postcode: BD16 4AF, GR SE1137 4001. Cars can be parked on the Park side of Lady Lane.

The Park is approximately 1km from the centre of Bingley on the road to Eldwick. If travelling by car along the Aire Valley, Park Drive cannot be accessed directly from the Bingley by-pass (Sir Fred Hoyle Way); need to come into Town centre. The Park is on a steep hillside but all sites are accessed via paths some of which have paved or gravel surfaces. There are a number of places where there are steps. Total distance walked will be ~ 1km.

Hammers not required, walking stick/pole may be useful to assist with gradients.

Finish about 8.00 pm.

Maps and references:

BGS map. 1: 50 000 Sheet 69 Bradford (Solid).

A handout will be available on the evening.


Tuesday 4th June 2019 — St Chad's Church, Far Headingley

Leader: Dr John Varker, LGA.

Purpose:

This excursion will begin inside the church where we will consider its construction, the materials used and its history in the context of the history of NW Leeds. Then we will follow a gentle, well-established geological route around the churchyard, examining the exterior of the church and numerous gravestones of very varied lithology and provenance.

Practical arrangements:

Meet 7.00pm at the church steps. The church is at LS16 5JT on the west side of Otley Road (A660), about half a mile north of the Headingley shopping centre (i.e. in the direction of Otley). Drive up the church drive to the church itself, where there should be ample parking. There is a large overflow carpark at the Parish Centre.

The walk will be entirely within the grounds of the church (no gradients) and normal, everyday clothing will be fine (brolly may be useful if raining). Hand lens desirable.

Finish about 8.45 pm.

Maps and references:

A handout will be available on the evening.

Saturday 22nd June 2019   —   The Flamborough Area

"In the footsteps of Phillips, Lamplugh & Catt"

Leader: Dr Rodger Connell, Hull University.

Purpose:

To examine paleo-valley fill sediments of Flamborough Head (at Danes Dyke and South Landing) and their significance for dating advances of the last ice-sheet, together with an examination at Skipsea Withow Gap of deglaciation features after the ice retreated.

Geology: Cretaceous, Quaternary.

Practical arrangements:

Meet 10.30am at Danes Dyke car park south of the B1259, just west of Flamborough Village, Grid Ref: TA215695. Then move to South Landing south of Flamborough Village (TA231695). Car park charges apply. Walking of about 500m at each site to and from the beach on good paths/roads. Moderately steep in parts. Care needed on chalk cobble beaches, often with weed cover, good ankle support required.

For Skipsea Withow Gap, park at Mr Moos cafe (Southfield House) on B1242 (TA 185545), south of Skipsea Village. Approximately 1km walk to beach, path can be muddy and slippery after rain but low gradients.

Bring packed lunch but snacks may be available at all three sites. Toilets available at first two sites and at cafe at third. Hard hat required at all three sites and no hammering at first two.

Finish about 4pm.

Maps and references:

Catt, J A 2007. The Pleistocene Glaciations..... A Review. PYGS. 56, pages 177 - 207.

Bateman et al, 2015. Last Glacial Dynamics.... PGA, 126, pages 712 - 730.

A handout will be available beforehand - contact Judith Dawson.


Sunday 14th July 2019 — Malham Cove & Gordale Scar

Leader: Dr Doug Holliday, BGS (retired).

Purpose:

This excursion will present an overview of the complex geology of this classic area of British geology, looking in particular at how the nature and location of the resultant varied rock types impacts on the current landscape. A dominating feature of the geology is the Middle Craven Fault with its long history of movement, in particular during Tournaisian and Visean deposition. To the north of the fault, on the Askrigg Block, the landscape is dominated by prominent pale grey limestone scars, commonly bare and sparsely vegetated, displaying limestone pavements, caves and dissolution karst features and spectacular gorges cut mainly by sub-glacial meltwater. To the south, in the Craven Basin, smoother, more rounded and greener landforms have formed on the Craven and Millstone Grit groups; locally projecting through this topography are rounded limestone 'reef knolls' and crags of turbiditic and fluvial grits.

Geology: Carboniferous, Quaternary.

Practical arrangements:

Please Note: Due to Ilkley Half Marathon taking place on the same date some roads will be closed at 9.30 am. This includes part of the A65 between Ilkley and Addingham and the A59 at Bolton Bridge. Details of course can be found here.

Meet 10.15 am at the Yorkshire Dales National Park Authority Information Centre Car Park, Malham [SD 900 627]; all-day parking fee £4.50; toilet facilities. This is a very popular parking location so may get full; there is space by the roadside where many visitors choose to park. The excursion involves a 7-8 km walk on a variety of well-used public footpaths, engineered, grassy, and stony to rough bare rock, locally including limestone pavements. The main climb is up the steps on the west side of Malham Cove; the leader will be taking this ascent at a leisurely pace. The high vertical cliffs and narrow defile to be visited at Gordale Scar may prove claustrophobic to some members. This is a popular path even in poor weather, so we can expect to have lots of company from the general public. If time permits, drive to Malham Tarn.

Walking boots and clothes suitable for the time of year and weather forecast essential. Lunch will be taken in the field. Wearing Hard Hats and High Visibility Jackets is a more personal choice; need for the former perhaps more pressing at Malham Cove and Gordale Scar than generally elsewhere. No hammering please, but a hand lens could prove useful.

Finish about 4.30pm.

Maps and references:

Waltham, Tony. 2007. The Yorkshire Dales: landscape and geology. The Crowood Press, Marlborough.

Waltham, Tony & Lowe, David. 2013. Caves and karst of the Yorkshire Dales. Volume 1. British Cave Association, Buxton.

[The above, beautifully illustrated books provide an excellent introduction to the geology and scenery of the Dales limestone country.]

Arthurton, R.S., Johnson, E.J. & Mundy, D.J.C. 1988. Geology of the country around Settle. Memoir of the British Geological Survey, Sheet 60 (England and Wales). [The most detailed account to date of the geology around Malham.]

Aitkenhead, N. et al. 2002. British Regional Geology: the Pennines and adjacent areas (Fourth Edition). British Geological Survey, Nottingham. [The Regional Guide provides an excellent account of the regional background.]

Ordnance Survey: 1:25 000 Outdoor Leisure Series 2 Yorkshire Dales - Southern & Western Area.

British Geological Survey: 1:50 000 Sheet 60 Settle. [The latter is published in two editions, Solid and Solid and Drift; both have advantages and disadvantages for the geologist visitor.]

A handout will be available beforehand - contact Judith Dawson.


Saturday 7th Sept 2019 — Roseberry Topping & Cliff Rigg Quarry

Leader: Alan Simkins and Chris Hill, Tees Valley RIGS.

Purpose:

Roseberry Topping is a distinctive, isolated hill that is an erosional outlier of the main escarpment of the Cleveland Hills. It is formed of Lower and Middle Jurassic sedimentary rocks. The succession of softer shales and harder sandstones has resulted in a stepped profile. We will examine this succession as well as the Tertiary Cleveland Dyke intrusion nearby and investigate how these rocks and the late Quaternary glaciation of the area controls the form of the landscape. We will also consider the palaeobotanical interest of Roseberry Topping (the reason for its SSSI status) in the wider context of the Yorkshire fossil flora and current research at nearby sites.

Geology: Jurassic, Quaternary.

Practical arrangements:

Meet 11 am at North York Moors National Park car park south of Newton-under-Roseberry village on the A173. GR NZ 571 127. Bring packed lunch. Toilets available at car park.

Roseberry Topping (320m OD) and Cliff Rigg whinstone quarry will be visited - Distance approx. 5km - some steep ascents/descents, may be slippery in wet weather - generally on public rights of way.

Hard Hats required in exposed situations at rock faces. Hammers permitted but not to be used within the SSSI boundary.

Finish about 4.00 pm.

Maps and references:

The Tholeite Dykes of the North of England - Holmes & Harwood 1929.

The Thinnfeldia Leaf-Bed of Roseberry Topping - Naturalist p.7-13 Thomas, H.H. 1915.

The Jurassic Flora of Yorkshire. (The Palaeontological Assoc. pp134) van Konijnenburh-van Cittert, J.H.A. & Morgans, H.S. 1999.

The Jurassic, Teriary and Quaternary around Great Ayton and Roseberry Topping, Cleveland Hills. In: Yorkshire Rocks and Landscape. Scrutton. C. (Ed) p110-118.

The Jurassic of the Cleveland Basin. Rawson & Wright. In: Taylor. P. (Ed) Field Geology of the British Jurassic. Geol. Soc. London p173-203.

Roseberry Topping Geotrail. Teesvalley RIGS Group, http://www.tvrigs.org.uk/

Cliff Rigg Geotrail. Teesvalley RIGS Group, http://www.tvrigs.org.uk/

A handout will be available beforehand - contact Judith Dawson.


4 - 6 Oct 2019     —     Residential Weekend: Malvern Hills

Details will be circulated to members attending.




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Previous Field Programmes


Field Programme for 2002

Field Programme for 2003

Field Programme for 2004

Field Programme for 2005

Field Programme for 2006

Field Programme for 2007

Field Programme for 2008

Field Programme for 2009

Field Programme for 2010

Field Programme for 2011

Field Programme for 2012

Field Programme for 2013

Field Programme for 2014

Field Programme for 2015

Field Programme for 2016

Field Programme for 2017

Field Programme for 2018


 
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