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Scottish Geology Trust @scottishgeology.bsky.social · 13/05/2026

Visit The Ground Shakes, an exhibition by artist Callum Wallis 🎨that explores Scottish Geology along the Highland Boundary and Great Glen fault lines and reflects on the dynamic forces that shape our fleeting relationship to deep geological time. 🕰️

Graphic containing information regarding the event. Location: An Tobar and Mull theatre, Mull. When: 14th March to 26th June 11am-3pm. Cost: Free. Suitable for: Families. An abstract sketch showing different sized pebbles and boulders and a dark coloured rock bed with columnar jointing surrounded by sediments. Event Description: Exhibition of drawings, prints, and film by artist Callum Wallis, exploring Scottish Geology along the Highland Boundary and Great Glen fault lines.

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British Geological Survey @bgs.ac.uk · 12/05/2026

Celebrate 300 years of Deep Time at @scottishgeology.bsky.social's annual Scottish Geology Festival! We’re hosting three free events: 📅 8 June: Guided Arthur's Seat Walk 📅 12 June: Scotland's Fossil Story 📅 17 June: Volcanoes of the Seven Hills Tickets: www.scottishgeologytrust.org/events/

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Scottish Geology Trust @scottishgeology.bsky.social · 27/10/2025

Do you know what a Tassie Medal is? They are glass paste reproductions of engraved cameos portrait medallions made by James Tassie (1735–1799), a Scottish gem engraver and modeller. We're offering an exclusive chance for you to own one: www.crowdfunder.co.uk/siccar-point

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Scottish Geology Trust @scottishgeology.bsky.social · 29/10/2025

Let your legacy be the #SiccarPoint #DeepTimeTrail We want to honour our most generous donors by building you into the trail! Donate to the Crowdfunder: www.crowdfunder.co.uk/p/siccar-point

Artist’s impression of the welcome stack and part of the discovery hub structures, each with a green panel labelled “your name here”.

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Scottish Geology Trust @scottishgeology.bsky.social · 18/09/2025

Have you been to Siccar Point? Share your memories and show us your photos! Help us build a Deep time Trail: www.crowdfunder.co.uk/siccar-point

View from the top of a hill down towards the sea. A rocky promontory juts into the sea at Siccar Point. The rocks are distinctly layered and it is clear that there are two rock units are at perpendicular to each other. There is a large group of people making their way down the hill to the rocks to inspect them.

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Scottish Geology Trust @scottishgeology.bsky.social · 15/09/2025

Siccar Point is one of the most important geoheritage sites in the world; we think visitors deserve to hear why. Help us install a Deep Time Trail - donate to the Crowdfunder now. www.crowdfunder.co.uk/siccar-point youtu.be/OeHsVJiO9gE

youtu.be

Help us build a Deep Time Trail at Siccar Point

YouTube video by Scottish Geology Trust

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Scottish Geology Trust @scottishgeology.bsky.social · 30/08/2025

From Rock to Paper: Sketch like a Geologist Join geologist Josephine Canning for a creative and educational hands-on workshop where art meets geology 🖌️🪨 Perfect for beginners and enthusiasts alike 📅 6th Sept, 10:30 - 12:00, Stirling Castle

Poster for the event showing Stirling Castle on top its craggy hill. Text reads: From Rock to Paper: Sketch like a Geologist. Part of the Scottish Geology Festival.

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Scottish Geology Trust @scottishgeology.bsky.social · 31/08/2025

Join the GeoBus team to explore local rocks and fossils on the St Andrews coast 🌊 See highlights of the Fife coastal path, including St Andrews' local volcano at the Rock and Spindle 🌋 Secure your free ticket now! 📅 7th Sept, 10:00 - 1:00, West Sands, St Andrews

A rocky shore with grass covered cliffs in the background. On the sandy foreshore is a large rocky protrusion with a spire (spindle) and a round "rock" with radiating basalt columns, resembling a wagon wheel.

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Scottish Geology Trust @scottishgeology.bsky.social · 31/08/2025

Join in on a Ranger-led stroll along the Hopetoun foreshore to explore some of West Lothian’s finest geology. Plus, you might even spot some fantastic 🦭 wildlife 🐦‍⬛ along the way! 📅 7th Sept, 10:00 - 13:00, Hopetoun House Estate

A group of people walk across exposed sandstone bedrock on a pebbly beach. They are keenly observing the rocks and the beautiful view out to sea.

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Scottish Geology Trust @scottishgeology.bsky.social · 28/08/2025

Did you know that Midlothian was once a tropical swamp & the evidence is in the rocks? 🪨 On Sun 4th from 10am-12pm you can join Mark Wilkinson, a geologist from the @EdinburghUni, for a walk in Roslin Glen which will reveal the stories in the rocks! 🤩

A person stands next to a river. Behind the river is a rocky cliff face showing different sedimentary layers of various thicknesses and textures.

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Scottish Geology Trust @scottishgeology.bsky.social · 26/08/2025

The Scottish Geology Festival kicks off in 6 DAYS with our launch event 🌋 Volcanoes in our Neighbourhood 🔥 Join a panel of scientists and artists for presentations and discussions on how volcanoes influence our lives 📅 Mon 1st Sept, 6 -8pm @ Hunterian Museum, Glasgow

The island of Staffa, a volcanic island with distinctive basalt columns. Text reads: Volcanoes in our Neighbourhood. Scottish Geology Festival 2025 Launch event.

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Scottish Geology Trust @scottishgeology.bsky.social · 26/08/2025

Notice the geology all around you as Dr Katie Strang leads a guided walk around the University of Glasgow campus 🏤 Examine the geology of the building stones and learn what they can tell you about Earth's long history 🌍🦖 📅 2nd Sept, 6 - 7:30 pm, meet at Kelvin Hall, Glasgow

University of Glasgow stone-built buildings on a sunny day.

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Emily Brown @emilycbrown.bsky.social · 22/08/2025

New events are being added every day! Keep your peepers peeled for exciting things to come in September

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Angus Miller @geowalks.scot · 19/08/2025

We are really having a lot of fun exploring glorious Holyrood Park in the company of Isabella and James Hutton, in our most excellent @edfringe.bsky.social walking theatre. Come join us, every day (except Wednesday) until Monday 25th, starts 11am near Pollock Halls. www.edfringe.com/tickets/what...

Actors playing Isabella Hutton (Jane Westhead) and James Hutton (Billy Quain) in Holyrood Park, Edinburgh with Arthur's Seat in the background.

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Angus Miller @geowalks.scot · 05/08/2025

It's Fringe time! You might need some Edinburgh geology. Join our immersive walking theatre shows in the footsteps of Charles Darwin and James Hutton. 16-25 August (not 20th), Hutton 11:00 and Darwin 14:00 www.edfringe.com/tickets/what... www.edfringe.com/tickets/what... Photo: Prof Joe Goldblatt.

Actors playing Isabella and James Hutton in Holyrood Park, in the "Hutton in Edinburgh" Fringe show.

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Scottish Geology Trust @scottishgeology.bsky.social · 04/08/2025

📸 Goethite + hematite from Garleton Often referred to as "Scottish Tiger's Eye" due to its visual similarity to the decorative stone, these banded hematite/goethite specimens are all that remain of the vein worked by the Garleton hematite mine #mineralmonday #scottishgeology

A rock consisting of alternating bands of metallic gunmetal-grey (hematite) and warm orange-brown (goethite). The front surface has been polished to a high shine.

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Angus Miller @geowalks.scot · 17/07/2025

I am so privileged to visit Siccar Point again and again (third time this week) and see it in different moods, and in the company of geologists and non-geologists all of whom see different aspects of this unique and special place. Just needs an ice cream van or gift shop for scale, don't you think?

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Scottish Geology Trust @scottishgeology.bsky.social · 14/07/2025

Do you have an idea for #ScotGeolFest25? We're now accepting event proposals! We're looking for events that inspire, inform, and entertain, and which are themed around Scotland's amazing geology If you have an idea, or want to be involved then please get in touch

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Emily Brown @emilycbrown.bsky.social · 03/06/2025

One day, my work lanyard will be wholly populated by crystal frogs and on that day I may rest.

Two enamel pins on a lanyard. Both depict frogs surrounded by crystals, one orange with red crystals, one black with pale blue crystals.

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Scottish Geology Trust @scottishgeology.bsky.social · 03/06/2025

Happy birthday to James Hutton - the Father of Modern Geology! Hutton used Scottish rocks, like this exposure at Glen Tilt, to support theories of plutonism and deep time. Here granite intrudes and surrounds sedimentary rocks - evidence these rocks were once molten

Pink granite surrounding and intruding into grey, layered sedimentary rocks.

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Nigel Monaghan @nigelmonaghan-nh.bsky.social · 18/04/2025

Job alert- Curator of #Entomology at National Museums Northern Ireland with great colleagues and collections ce0568li.webitrent.com/ce0568li_web...

ce0568li.webitrent.com

Job profile

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Scottish Geology Trust @scottishgeology.bsky.social · 18/04/2025

Congratulations to Arran Geopark on being awarded 🗻 UNESCO Global Geopark 🏔️status! It’s fab to see Arran being recognised for its unique geological heritage, rich biodiversity, and commitment to protecting their natural heritage.

Drumadoon Sill exposed as a cliff on the Arran shore

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Scottish Geology Trust @scottishgeology.bsky.social · 31/03/2025

📸 Lanarkite from Leadhills Named for the county in which it was first found, lanarkite is a lead sulphate which forms from the oxidation of galena. A common place to find lanarkite is in mine spoil heaps - galena rapidly oxidises when exposed to Scottish weather! #MineralMonday #ScottishGeology

A spray of elongate, pale green crystals. The crystals clump together into pointed bundles of various lengths. There is a 2cm scale bar, the specimen is 4cm wide.

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Scottish Geology Trust @scottishgeology.bsky.social · 10/03/2025

📸 Cryptomelane with magnetite and baryte from Grandhome The manganese oxide (cryptomelane ) at Grandhome was mined in the early 1800s as an oxidising agent for making muriatic acid - then used as a bleach. The mine closed by 1858 and today the site is inaccessible. #MineralMonday #ScottishGeology

A black rock held in a person's hand in front of a corridor of white drawers. The rock is in three layers, a lower grey granite, on top of which sits a thick band of black mineral. At the surface of this band it is apparent that this is magnetite, the layer formed from radiating masses of stubby prismatic black crystals - hedgehog like. On top of this magnetite layer is a patchy layer of botryoidal black cryptomelane, it has a dull powdery lustre. There are also three patches of white bladed baryte crystals, stark against the black.

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Scottish Geology Trust @scottishgeology.bsky.social · 17/03/2025

📸 Connellite from Colvend Connellite is a copper chloro-sulphate named in 1850 for Arthur Connell, professor of Chemistry at the University of St Andrews. Connell was the first person to study this mineral, though it was first found from Cornwall, not Scotland. #MineralMonday #ScottishGeology

Pale to deep blue minerals encrusting a copper-brown rock. This is a large specimen, approximately 20cm wide, held in a hand in front of a corridor of white drawers.

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Scottish Geology Trust @scottishgeology.bsky.social · 24/03/2025

📸 Amazonite from Beinn Bhreac, Sutherland Amazonite was first recognised in Scotland in 1875 in boulders on the slopes of Beinn Bhreac. These had been glacially transported from their source, a pegmatite vein in the Ben Loyal alkaline intrusion. #MineralMonday #ScottishGeology

A blocky green crystal. The crystal surface is covered in fine parallel lines, resulting from perthitic exsolution of the feldspar. Some areas of the crystal have been altered to a light brown clay, this is particularly obvious along a network of fine cracks which cut across the perthitic texture. There is a 2cm scale bar to the bottom right, showing that this crystal is 12 cm wide.

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Scottish Geology Trust @scottishgeology.bsky.social · 03/03/2025

📸 Aragonite from Leadhills Aragonite is the high pressure form of calcite. It's an uncommon gangue mineral at Leadhills, and its presence speaks to the changing subsurface conditions during ore formation. These crystals formed within a vug in a mineralised vein. #MineralMonday #ScottishGeology

White bladed crystals on a sugary-textured matrix. The white aragonite crystals show no preferred orientation and have grown haphazardly in different directions on the matrix, sometimes even through other crystals. The matrix is a grey coloured crust covered in small "sugary" quartz crystals. The specimen is resting on a person's fingertips in front of a corridor of white drawers.

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Scottish Agates @scottishagates.bsky.social · 28/02/2025

28th February 2025 — Perthshire

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Scottish Agates @scottishagates.bsky.social · 01/03/2025

1st March 2025 — Perthshire

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Scottish Agates @scottishagates.bsky.social · 19/02/2025

19th February 2025 — Edinburgh

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Scottish Agates @scottishagates.bsky.social · 21/02/2025

21st February 2025 — Montrose

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Scottish Agates @scottishagates.bsky.social · 23/02/2025

23rd February 2025 — Fife

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Scottish Agates @scottishagates.bsky.social · 25/02/2025

25th February 2025 — Fife

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Scottish Agates @scottishagates.bsky.social · 26/02/2025

26th February 2025 — Fife

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Scottish Agates @scottishagates.bsky.social · 27/02/2025

27th February 2025 — Perthshire

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Rebekah Higgitt @rhiggitt.bsky.social · 24/02/2025

Museum job! 📜 🗃️ #histSTM National Museums Scotland, Assistant Curator, Technology - part of the truly fabulous NMS Science & Technology Department Full time, permanent - details here: careers.nms.ac.uk/job/671171 Deadline soon: 2 March

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Edinburgh World Heritage @edinburghwh.bsky.social · 24/02/2025

UPCOMING EVENT Edinburgh, geology city with Dr Angus Miller Geologist @geowalks.scot, founder of Geowalks and Teaching Fellow at @edinburghuni.bsky.social's Centre for Open Learning, is joining us for an expansive lecture on Edinburgh's geological history. Tickets & info ewh.org.uk/edinburgh-ge...

ewh.org.uk

Edinburgh, geology city - Edinburgh World Heritage

20 March 2025

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Scottish Agates @scottishagates.bsky.social · 18/02/2025

18th February 2025 — Angus

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Scottish Agates @scottishagates.bsky.social · 22/02/2025

22nd February 2025 — Montrose

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Scottish Agates @scottishagates.bsky.social · 24/02/2025

24th February 2025 — Fife

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Scottish Geology Trust @scottishgeology.bsky.social · 17/02/2025

📸 Nickeline from Wanlockhead Nickeline is a rare secondary arsenide mineral which has been found in the dumps at New Glencrieff Mine. Nickeline is rarely used as a Ni ore as the arsenic content makes smelting difficult. #MineralMonday #ScottishGeology

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Scottish Agates @scottishagates.bsky.social · 17/02/2025

17th February 2025 — Angus

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Scottish Agates @scottishagates.bsky.social · 01/02/2025

1st February 2025 — Fife

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Scottish Agates @scottishagates.bsky.social · 15/02/2025

15th February 2025 — Fife

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Scottish Geology Trust @scottishgeology.bsky.social · 03/02/2025

📸 Prehnite from Edinburgh The bubbly volcanic rocks of Arthur's Seat are the perfect home for new minerals to grow. Here globular aggregates of prehnite crystals have formed on calcite within a cavity in the dolerite of the Salisbury Crags. #MineralMonday #ScottishGeology

Yellow crystalline spheres of prehnite, nestled in a linear cavity within a basalt rock. The surrounding rock is dark black and is present as a black rim around the top right and bottom left of the rock. This outer matrix grades into white, blocky calcite crystals which are lining the cavity. The prehnite has grown on the calcite, in a diagonal line across the specimen, top left to bottom right. The prehnite spheres are present as a mix of sizes and many have grown of other spheres. There is a 2cm scale bar to the right of the specimen, indicating that the largest prehnite mass is just over 1cm in diameter and the entire specimen is 7cm wide.

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Scottish Geology Trust @scottishgeology.bsky.social · 27/01/2025

📸 Chalcopyrite from Wanlockhead Chalcopyrite is a common copper ore, though it doesn't occur in workable quantities in Scotland. At Wanlockhead it's believed to be the first mineral to form from the ore-bearing solution that created the lead deposits there. #MineralMonday #ScottishGeology

Chalcopyrite crystals on a white rock matrix. The crystals are spherical masses of crystals. Some crystal faces are visible where they reflect the light, but these are poorly formed crystals more closely resembling spheres. The spheres are distinct in places but in others they occur so close together as to form one large mass, particularly in the bottom right of the specimen. The crystals are a golden-yellow colour, though most are tarnished to also show blues, greens and purples.

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