Leeds Geological Association

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FIELD VISITS 2018
 
A Report of LGA Field Events held during Summer 2018
 


FIELD PROGRAMME 2018 EXCURSION DETAILS PREVIOUS FIELD PROGRAMMES

Field Programme: 2018

DATE & TIME SUBJECT LEADER
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
YMWGG
9 May 2018
Wednesday Evening
A Geological Walk Around Roundhay Park
A Yorkshire Geology Month Event
Bill Fraser
LGA
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
LGA & WYGT
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
Saturday 7th & Thursday 12th April 2018 — Gillfield Mine

Leader: Shirley Everett, former manager at Coldstones Quarry.

Purpose:

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.

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).

Purpose:

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

Geology: Permian.

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.

Purpose:

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.

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

Purpose:

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

Geology: Jurassic.

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

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

Purpose:

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.

Maps and references:

BGS Barnsley 1:50000 Sheet 87.

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

Leader: Michael Mawson.

Purpose:

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.

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.




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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

Current Field Programme


 
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