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Garabal Hill-Glen Fyne Igneous Complex

A study of some of the intrusions that belong to the South Grampians Suite, which was intruded into the Southern Highland Group during the mid-Silurian (ca 425 Ma)

Berwickshire Coastal Path

A walk from Cove Harbour to Siccar Point to look at Carboniferous and Devonian rocks and to visit Hutton's Unconformity

Aberfoyle area

A study of the Highland Boundary Fault, where low grade metamorphic rocks of the Dalradian succession are located against upturned conglomerates of Lower Devonian age, with slivers of Highland Border Complex rocks in the fault zone

North-east Ireland

This trip will explore the British and Irish Palaeogene Igneous Province surrounding Carlingford Lough at Slieve Gullion, Carlingford and Mourne, including a range of volcanic features, from a caldera-forming ring complex to spectacular cone-sheets.

Balmaha

Examination of the Highland Border Complex and the Lower and Upper Old Red Sandstone rocks in the Balmaha area

Morvern & Ardgour, Lochaber

We will see a fascinating variety of rocks covering a huge span of geological time, ranging from the Moine to the Palaeogene. We will also see rocks from the Ordovician, Silurian, Carboniferous, Triassic and Jurassic periods.

Morvern & Ardgour, Lochaber

We will see a fascinating variety of rocks covering a huge span of geological time, ranging from the Moine to the Palaeogene. We will also see rocks from the Ordovician, Silurian, Carboniferous, Triassic and Jurassic periods.

Kilewnan Burn and Dunmore from Fintry village

We shall be looking at the igneous rocks of the Clyde Plateau Volcanic Formation, the Carboniferous sedimentary rocks of the Clyde Sandstone Formation and the Ballagan Beds.

Tyndrum/Glen Orchy

A visit to the former lead mine near Tyndrum followed by a trip to Glen Orchy to examine outcrops of Dalradian rocks

Little Glen Shee, Dunkeld

An opportunity to examine Dalradian rocks (slates and grits of the Southern Highland Group) and structures related to the Tay Nappe

Solway coast – Southerness to Powillimount

In this easy coastal walk we will examine sedimentary structures formed during the Early Carboniferous, the consequent changes of the flora and fauna, and tectonic structures imposed during the Late Carboniferous.

The Causeway Coast and Glens

An excursion along the coast of County Antrim, where we will see rocks ranging in age from the Precambrian to the Quaternary and including the North Atlantic Igneous Province.

Geology walk in Rouken Glen Park

A stroll round Rouken Glen Park led by John Faithfull, looking at the varied rocks formed in Carboniferous times.

Fossil Grove guided tours

Fossil Grove 51 Victorial Park Drive South, Glasgow, United Kingdom

Regular guided tours of the Fossil Grove and surrounding quarry area led by society members Margaret Greene and David Webster and lasting about 45 minutes will take place on the hour at 1, 2 and 3 pm.

Tour of Snowball Earth – Islay

A guided tour of two key localities illustrating the 650 million year old "Snowball Earth" glaciation and a full day visit to the remote north coast of Islay to view the classic stromatolite bioherms in the Bonahaven Dolomite plus some spectacular igneous intrusions and glacial features

Raasay, Inner Hebrides

We will examine a range of rocks within the Hebridean Terrane, ranging from Archaean gneisses of the Lewisian Complex and the overlying Proterozoic sedimentary rocks of the Torridonian Supergroup through to glacial deposits of the Pleistocene epoch.

Muirshiel Country Park

We will be looking at several sites around the park, including the area around the now disused barite mine, and considering aspects of our industrial geological heritage.

Glen Lednock

We will continue our exploration of Glen Lednock and will visit the Comrie pluton to examine the igneous rocks themselves and their contact relations with the country rocks.

Perth & environs

We will examine Devonian volcanic and sedimentary rocks (perhaps including the source of the Stone of Destiny) and look at a variety of building stones in Perth City.

Spireslack Quarry

The opencast coal site at Spireslack in East Ayrshire delivers a unique and stunning geological exposure of the Carboniferous. BGS is working closely with the Scottish Mines Restoration Trust to find ways of restoring the site to deliver a unique, natural rock laboratory for industry and university training and research.

Scottish Universities Environmental Research Centre

This tour will take you behind the scenes of extremely rare isotope metrology at SUERC to illustrate the complexity and effort involved in making precise and accurate measurement of isotopes in minerals and rocks.

Bathgate Hills

Beecraigs visitor centre (dyke and Carboniferous Limestone); Cairnpapple Hill and the Knock (lavas, sill, limestone and mineralization) via Witch Craig geology wall; Petershill Reserve (fossiliferous reef limestone); East Kirkton quarry (time permitting) (oil shales and limestones).

The geology of Aberdeenshire – mountains, glens and coast

Devonian lavas and sedimentary rocks; Highland Border Complex (with superb pillow lavas); Highland Boundary Fault; ORS/Dalradian unconformity; Dalradian structure and metamorphism; Caledonian and post-Caledonian granites, gabbros, migmatites, dykes and breccia pipes.

Islay

1800 Ma gneiss, Precambrian metasediments and fossil stromatolites, the famous Port Askaig Tillite (possible "Snowball Earth"?), low grade metamorphic Dalradian rocks retaining original sedimentary structures, reactivated and reversed extensional faults, substantial mineralisation, 60 Ma igneous intrusions (opening of the Atlantic Ocean) and a large selection of Quaternary Ice Age features.

Mining Museums

The Scottish Shale Oil Museum at Almond Valley; local mining bings; the Scottish National Mining Museum at Newton Grange Colliery. Multiple opportunities for coffee and cake!

£40

Blairskaith Quarry

Blairskaith Quarry is a brick-clay pit abandoned since the late 1970s. It is significant for both its abundant extinct fossils and habitats supporting a variety of plant and animal life, with large shallow pools of water that last throughout the year and some well-drained lime-rich soils.

£30

St Abb’s Head

Sedimentary rocks of greywacke and siltstone formed between 460 and 410 million years ago and hard volcanic rock which formed around 400 million years ago. The different types of rock account for the contrast in colour and morphology between the rocks of the Head and those of mainland cliffs.

£40

Ballantrae Complex

The Ballantrae region is of international importance because of the presence there of the Ballantrae Complex, an association of serpentenite, chert and pillow lavas that represents an ophiolite. We will visit some of the interesting geological localities in this area.

£30

Northern Lake District

A walk of about 2.5 km up the Glenderaterra valley from the car park at the Blencathra Field Centre with 4-6 stops along the path, returning the same way. The main theme is contact metamorphism and mineralisation in the Skiddaw Slate around the Skiddaw Granite. Evening meal in Threlkeld.

£40

Dalry & Saltcoats

Trilobite-bearing limestone, exotic sills, dykes and fossilised trees.

£30

Anglesey

Anglesey's rocks provide a detailed record of the events leading to the formation of southern Britain. Formed between 650 & 300 Ma, they include high grade gneisses, a granite pluton, metasediments, sandstones, mudstones and the famous Anglesey Blueschists. There are also Paleogene dykes, abundant glacial features, a number of NE–SW faults and large sandstones blocks possibly marking the location of an ancient subduction zone.

Islay

This excursion has been cancelled because of the coronavirus outbreak. We hope to reschedule it for 2021.

Ardnamurchan

This excursion has been cancelled because of the coronavirus outbreak. We hope to reschedule it for 2021.

Islay

1800 Ma gneiss, Precambrian metasediments and fossil stromatolites, the famous Port Askaig Tillite (possible "Snowball Earth"?), low grade metamorphic Dalradian rocks retaining original sedimentary structures, reactivated and reversed extensional faults, substantial mineralisation, 60 Ma igneous intrusions (opening of the Atlantic Ocean) and a large selection of Quaternary Ice Age features.

Ardnamurchan

A journey through the magma chamber of an early Palaeogene volcano, with visits to significant localities of igneous, sedimentary and metamorphic rocks

Charleston Lime Quarry

Outcrops of the Blackhall Limestone and disused quarries and, if time permits, a visit to the lime kilns on the foreshore.

£25

South Queensferry

Lower Carboniferous sedimentary rocks, Upper Carboniferous sills and late glacial and postglacial deposits

Free

Onich Shore

A classic east-west cross-section through folded Dalradian metasediments, part of the Appin Syncline

£25

Elie-St Monans-Pittenweem

Carboniferous fluvial, deltaic and shallow marine strata pierced by Carboniferous vents (diatremes) and the interplay between volcanism and sedimentation

£25

Snowdonia

Ordovician volcanics, with evidence for giant ash-flow eruptions, and large-scale Caledonian folding, all set in Snowdonia’s wonderful glacier-carved mountain scenery.

Bute

Carboniferous, Permo-Carboniferous and Palaeogene igneous rocks, columnar-jointed sandstone, Dalradian slates, schists and grits, along with the Highland Boundary Fault and Highland Border Complex.

Seamill to Portencross

Devonian sedimentary rocks and igneous structures, Clyde Plateau Lavas, glacial erratics, beach pebbles and post-glacial landscape features

£35

Glencoe and Ballachulish

Exploring the igneous complexes that were formed in the final stages of the closure of the Iapetus Ocean in the Silurian period.

£35

Ballantrae Complex

Important aspects of the early Ordovician Ballantrae Ophiolite Complex, late Ordovician and early Silurian greywacke and conglomerate; late Ordovician reef limestone and Caledonian folding; and possibly the pillow lavas at Downan Point.

Balmaha

A joint excursion with the Edinburgh Geological Society to examine the rocks around the Highland Boundary Fault and gain some understanding of why there has been considerable controversy over the geological history of this zone

Linn Park and Rouken Glen

Sandstone and other sedimentary rocks laid down in river deltas, swamps and sea in the Carboniferous period and evidence of the Quaternary glaciation

The Garvellachs

A magnificent section of the glacial Neoproterozoic Port Askaig Formation with a sequence at the base which is a prime candidate for a global “golden spike” or GSSP. We will discuss the concept of snowball earth and assess how the succession here fits with that model.

Pentland Hills

A chance to see fossils dating back to the Silurian period, including trilobites, brachiopods, nautiloids, corals and crinoids

Innellan & Dunoon

We will study the relationships between the Dalradian metamorphic rocks of the Highlands, the rocks associated with the Highland Boundary Fault, and the younger sedimentary fill of the adjacent Midland Valley.

Spireslack open-cast mine

A visit to Spireslack and Mainshill Wood surface coal mines to examine spectacular exposures of Carboniferous strata on a scale not seen anywhere else in the United Kingdom

Longniddry to Aberlady shore

This excursion will illustrate the cyclic pattern of the sedimentation of Carboniferous (Dinantian) rocks exposed between Craigielaw Point and Aberlady Point.

Dunure beach pebble event

A chance to bring the family along to a fun day out examining beach pebbles and learning more about the geology of this Ayrshire coastal location

Kelvin Valley from Dawsholm to Kelvinbridge

Leaders: Iain Alison and Katie Strang *children welcome and free with an adult* This guided walk will use the Strathclyde geoconservation group's leaflet but in the reverse direction. This half-day trip will take an entirely off-road route along the Kelvin River Walkway taking in the geology along the way. Many exposures can be seen across […]

Portencross

Leaders: Austen Brown and David Webster The rocks exposed around Portencross are mainly sandstones (known across the UK as the ‘Old Red Sandstone’ (ORS) dating back to the Devonian Period (420 to 360 million years ago). The ‘Lower Old Red Sandstone’ was deposited in desert environments in the aftermath of the Caledonian Orogeny when Scotland […]

Holmwood House

A short tour of Holmwood House and a look at how the design of the house links with geology, including the use of earth pigments.