Leeds Geological Association

Field Visits 2018

Forthcoming field meetings



Details of the 2018 field calendar are set out below. For further information please contact David Holmes, the Field Visit Secretary, by telephone (01423 888997) or email (holmsey@talktalk.net).

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 4th July 2018 and Saturday 15th September 2018. Meet at 1.15pm for a 1.30pm start at the Visitor's Centre, Mansion House. The walk is free, covers approx 4km and takes about 3 hours. For further information contact Bill Fraser on 0113 2608764 or email w.fraser@btinternet.com

Field Programme: 2018

7 April 2018
Saturday Daytime

12 April 2018
Thursday Evening
A Geological Walk into Gillfield Mine,
Greenhow, Upper Nidderdale
Shirley Everett
Former Manager
Coldstones Quarry
15 April 2018
Sunday Daytime
Bramham - Boston Spa - Wetherby Area Jeremy Freeman
Malcolm Barnes
9 May 2018
Wednesday Evening
A Geological Walk Around Roundhay Park
A Yorkshire Geology Month Event
Bill Fraser
7 June 2018
Thursday Daytime
"Yorkshire's Jurassic World" Exhibition,
The Yorkshire Museum
28 July 2018
Saturday Daytime
The Loxley Edge Rock and Wharncliffe Edge Rock Formations on the Banks of the River Don Dr Gareth Martin
01 Sept 2018
Saturday Daytime
The Permian and Carboniferous Geology of South Hylton (Claxheugh Rock, Ford Quarry) and Castletown, Sunderland Michael Mawson
28 - 30 Sept 2018
Friday - Sunday
Residential Visit : Norfolk Coast Dr David Waterhouse
Norfolk Museums

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

Please note the following general points:


Whilst there is normally no requirement to book, it is helpful to know in advance who will be attending so that an adequate number of handouts can be prepared. Also, if available, handouts can be sent beforehand to those interested. Please contact David Holmes (Tel: 01423 888997 - a message on the answer phone will suffice - or e-mail: holmsey@talktalk.net). Please provide a contact telephone number so that if there should be a late change in plans, David can phone you. If subsequently you find that you cannot attend, please let him know. Occasionally, numbers are restricted and you must book beforehand. This is noted below where relevant.

On the day, if you are lost or are held up by traffic, David can be reached on: 07531210691.

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.


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 David who will try to help.


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. 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 David or the leader know. Neither the leader nor the organisers are able to provide first aid. The leader has the right to refuse to lead any intended participant.


You should wear clothing and footwear suitable for the weather expected on the day eg waterproofs if wet and sun protection (plus liquid) 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 liquid are required unless otherwise indicated. Hard hats and high visibility jackets are not usually required but see text below. Otherwise bring normal field gear such as lens, specimen bags etc. Binoculars are always useful.


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.

Non-members who pay the day fee of £2 and sign the Attendance Register will be members for the duration of the Field Meeting.

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.

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.

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.

Saturday 7th & Thursday 12th April 2018 — Gillfield Mine

Leader: Shirley Everett, former manager at Coldstones Quarry.


A guided walk of three miles with a very gentle walk up the hand cut adit which goes through the northern limb of the Skipton Anticline and drains the mine, where we will see the recently restored workings in the Waterholes Vein and scramble up into the Sun Vein to see the causes of deposition of the Galena and Fluorite and how they were worked at different times.

Geology: Carboniferous.

Practical arrangements:

Meet 10.00am at Coldstones Quarry car park where we might be able to leave some cars. Postcode HG3 5JQ. 500 mtrs East of Greenhow Hill on the B6265 Pateley Bridge to Grassington road. Everyone will need wellington boots and old waterproofs with reasonably warm clothing, it will be chilly underground. They normally ask for a donation of £2 per person for the hire of the lamps which goes to the upkeep of the mine. There is a maximum of 12 visitors underground at once; if there are more wanting to visit than places the restoration group are prepared to take a group of 6 on Thursday evening when they would normally have a work group in the mine.

Please contact David Holmes, the Field Visit Secretary, by telephone (01423 888997) or email (holmsey@talktalk.net) to reserve a place.

Maps and references:

OS Map 1:50 000 Landranger Sheet No 99 Northallerton, Ripon.

BGS 1:50 000 Sheet 61 Pateley Bridge.

BGS The Pennines and adjacent areas: 4th edition.

YGS Yorkshire Rocks and Landscapes: a field guide.

Sunday 15th April 2018 — Bramham - Boston Spa - Wetherby Area

Leaders: Jeremy Freeman and Malcolm Barnes (Yorkshire Mid-Week Geology Group).


To see most of the sequence of the Cadeby Formation in the Bramham-Boston Spa-Wetherby area.

Geology: Permian.

Practical arrangements:

Meet at 10.00am by the roadside in the lane (Aberford Road) at the top of Bramham cutting NE side, grid ref428 425 (OS 1:25 000 sheet 289) at 10.00am. Park on the scruffy grass verge outside Bramham Lodge and share cars if possible. Bring packed lunch or use the cafes in Boston Spa. Driving roughly 15-20 miles, walking distances not great but steep in places and may be rough or slippery in places also.

Maps and references:

BGS Sheet 70 Leeds Solid and Drift Geology Map 1:50 000 series.

Edwards W.et al., Geology of the District North and East of Leeds , HMSO 1950.

Tymon A.M. et al., Boston Spa Riverside Cliffs: Rocks and Landscapes, West Yorkshire Geology Trust 2012.

Tymon A.M.et al., The upper Permian Cadeby Formation in the Boston Spa area, West Yorkshire, UK, PYGS 61(4) Nov 2017.

Wednesday 9th May 2018 — Roundhay Park

Leader: Bill Fraser, Leeds Geological Association.


A guided walk of approx. three miles mainly along made paths but with one steepish ascent and descent through woodland, following the Geology Trail that was established as a joint venture between the LGA and the Friends of Roundhay Park in 2008. The ten locations along the trail illustrate changing sedimentary environments in the Millstone Grit Group (Rough Rock and underlying beds) and some interesting local and regional structural features. Copies of the Trail Guide and other handouts will be provided.

Geology: Carboniferous.

Practical arrangements:

Roundhay Park is situated approximately 3 miles North of Leeds City Centre off the A58 Wetherby Road at Oakwood or from the A6120 Leeds Ring Road.

Buses to and from the Leeds City Centre: 2 and 12.

Meet 5.30 pm at the Mansion House outside the Visitor Centre.

Grid Re 3299 3829 Parking is available in Mansion Lane, Sat Nav: LS8 2HH.

Paths can be muddy in places so boots/strong footwear recommended.

Maps and references:

OS Maps 1:50,000 Landranger Sheet 104 Leeds.

BGS 1:50,000 Sheet 70 Leeds.

Roundhay Park - a Walk back in Time.

BGS The Pennines and adjacent areas 4th edition.

Thursday 7th June 2018   —   "Yorkshire's Jurassic World" Exhibition


To look at the newly opened Jurassic exhibition at the Yorkshire Museum.

Geology: Jurassic.

Practical arrangements:

Meeting for the 10am opening time at the entrance of the Yorkshire Museum in the Museum Gardens, York north of Lendal Bridge, nearest car park at Marygate off Bootham but public transport by train or bus gets you fairly close to the Museum. We will each pay a reduced entrance fee of £6. And a possible guided tour by Dr Sarah King the curator, which will be limited to the first 15 members booked in, at an extra charge of £4 for this option.

Saturday 28th July 2018 — Loxley Edge Rock and Wharncliffe Edge Rock

Leader: Dr Gareth Martin, Leeds Geological Association & West Yorkshire Geological Trust.


A short trip to two sites to see paleo-environmental changes and superb sedimentary features in the Carboniferous Lower Coal Measures, Loxley Edge Rock and the rarely exposed Wharncliffe Edge Rock formations.

Geology: Carboniferous.

Practical arrangements:

Meet at 10 am just over the bridge on the River Don past Lobwood Club on the Station Road (SK2915698056), ample free parking along the roadside. No toilets except in the shopping centre in nearby in Stocksbridge, after a 2km walk with a moderate duration uphill walk we should be finished around 12 noon. Hammers can be used at the quarry by the River Don but not at Wharncliffe Craggs a SSSI, good footwear and appropriate clothing, a torch might be handy in the two relatively dark tunnels.

Maps and references:

BGS Barnsley 1:50000 Sheet 87.

Saturday 1st Sept 2018 — South Hylton and Castletown, Sunderland

Leader: Michael Mawson.


During this fieldtrip desert sandstones of the Yellow Sands will be seen as well as the top Carboniferous / base Permian unconformity below which the youngest Coal Measures to outcrop in northeast England are exposed. The Yellow Sands are overlain by the Magnesian Limestone (now called the Zechstein Group) which comprises, at its base, the Marl Slate (known for its well preserved fossil fish and plants) overlain by the limestones and dolomites of the Raisby and Ford formations, the latter containing a fossil reef with a wide variety of fossils. The equivalent of these two formations further south, in the Yorkshire outcrops of the Zechstein, form the Cadeby Formation.

Geology: Carboniferous, Permain.

Practical arrangements:

Meeting 10.30am at the car park by the River Wear (NZ 360576), Claxheugh Rock, South Hylton, Sunderland.

Travelling there: by car, driving north on the A19, turn right on to the A183 for Sunderland. Turn left at the first roundabout into Pennywell Industrial Estate after which follow Hylton Road until a small roundabout where turn left for Hylton Bank. Follow this road down the hill and, after passing the Metro Station, turn right at the junction with Pottery Lane and very shortly after that turn right again on to Ford Avenue and then shortly again left at the junction with Claxheugh Road: follow this road until it ends at a car park and playing fields next to the River Wear. Claxheugh Rock is visible from here where there is also a slipway.

Hard hats are recommended (obligatory?) as well as stout footwear, please bring a packed lunch. The excursion will involve some moderately steep but short climbs up and down mostly grassy banks. We will meet at Claxheugh Rock and spend about 2 to 2.5 hours examining the exposures there which comprise the Yellow Sands and its contact with the Marl Slate; above, the top of the Raisby Formation is truncated by a submarine slide plane (formed as result of drop in sea-level) which cuts down into the Yellow Sands. The top of the section at Claxheugh Rock consists of reef and fore-reef facies of the cliff-forming Ford Formation. We may walk or drive to Ford Quarry for a visit lasting about half an hour to examine the lagoonal / back-reef, reef and reef-crest facies of the Ford, here at its type locality; fossil nautiloids may also be found. The exposures at Castletown (directly opposite Claxheugh Rock) will involve a short drive via the A19; they occur on the foreshore adjacent to the River Wear and access is subject to tides (low-water is at 14.15pm). The Coal Measures there yielded insect fossils (amongst other fossils) in the past; the top Carboniferous / base Permian unconformity is also well exposed as are the Yellow Sands. If there is still enough time (and interest), a tufa deposit in the marina at Sunderland could also be examined.

Maps and references:

OS Maps 1:50 000 Landranger Sheet 88 Tyneside, Durham.

28 - 30 Sept 2018     —     Residential Weekend: Norfolk Coast

Leader: Dr David Waterhouse, palaeontologist and Senior Curator of natural history at Norfolk Museums Service.

This is now fully booked.

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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