The geology of Barns Ness, Dunbar - Friday 10th April 2026 - 14:00-16:00

from £25.00

Ancient Seas & Fossil Reefs: A Geology Tour of Barns Ness with @ScottishGeologist

Join @ScottishGeologist for a beautifully focused coastal geology tour at Barns Ness, one of the best places in Scotland to explore the Lower Limestone Formation and step into a tropical sea from 340 million years ago. This is a fossil-rich site where the story is all about life, sedimentation, and changing environments—perfectly exposed across wide, accessible rock platforms.

What to Expect

🪨 The Lower Limestone Formation

  • Walk across well-exposed layers of the Lower Limestone Formation (Carboniferous).

  • See alternating beds of limestone, shale, and sandstone, recording repeated shifts between marine and coastal environments.

  • Learn how these cycles reflect changing sea levels, with warm shallow seas advancing and retreating over time.

🦴 Fossils from a Tropical Sea

  • Discover an abundance of marine fossils, including:

    • Corals 🪸

    • Crinoid fragments (sea lilies)

    • Brachiopods and bivalves

  • Learn how these organisms lived in clear, shallow, warm waters, very different from Scotland today.

  • Understand how fossil assemblages help geologists reconstruct ancient ecosystems.

🌊 Limestone Beds & Fossil Horizons

  • Identify distinct fossil-rich limestone layers, often packed with broken shells and skeletal debris.

  • See how quieter periods allowed fine muds to settle, forming shales between limestone beds.

  • Learn to recognise bedding planes and fossil concentrations that mark key environmental changes.

🏝️ Changing Environments Through Time

  • Reconstruct the Carboniferous landscape:
    Tropical seas → lagoons → coastal plains → back to marine conditions

  • Understand how these repeating conditions created the layered geology seen today.

  • Link these cycles to global sea-level change and tectonic activity.

🌊 Coastal Exposure & Modern Processes

  • Walk across expansive wave-cut platforms, where the sea has revealed continuous rock layers.

  • See how erosion naturally “cuts” through the geology, exposing fossils and bedding structures.

  • Observe how modern coastal processes continue to shape and reveal the site.

👣 Hands-On Fossil & Rock Exploration

  • Learn how to spot fossils in the field and identify key fossil groups.

  • Practice reading sedimentary layers and environmental changes.

  • Try simple field sketches to capture fossil beds and rock sequences.

Who Should Attend?

  • Perfect for fossil lovers, families, students, and beginners, geology enthusiasts

  • Ideal if you want a clear, accessible introduction to sedimentary geology

  • Great for anyone interested in ancient life and past environments

Event Details

📍 Location: Barns Ness, near Dunbar, East Lothian

🗓️ Date: Friday 10th April 2026 14:00- 16:00

⏰ Duration: 2–3 hours

🎟️ Price: £25pp meet us there, £45 pick up from Glasgow

🥾 Terrain: Flat coastal rock platforms (best at low tide), rock scrambling, beach paths, tidal terrain

Why Join This Tour?

Led by @ScottishGeologist, this tour strips geology back to one of its most fascinating themes—life in deep time. Barns Ness is a place where you can stand on an ancient seabed, see the fossils of the creatures that lived there, and understand how environments changed over millions of years.

Ticket type:

Ancient Seas & Fossil Reefs: A Geology Tour of Barns Ness with @ScottishGeologist

Join @ScottishGeologist for a beautifully focused coastal geology tour at Barns Ness, one of the best places in Scotland to explore the Lower Limestone Formation and step into a tropical sea from 340 million years ago. This is a fossil-rich site where the story is all about life, sedimentation, and changing environments—perfectly exposed across wide, accessible rock platforms.

What to Expect

🪨 The Lower Limestone Formation

  • Walk across well-exposed layers of the Lower Limestone Formation (Carboniferous).

  • See alternating beds of limestone, shale, and sandstone, recording repeated shifts between marine and coastal environments.

  • Learn how these cycles reflect changing sea levels, with warm shallow seas advancing and retreating over time.

🦴 Fossils from a Tropical Sea

  • Discover an abundance of marine fossils, including:

    • Corals 🪸

    • Crinoid fragments (sea lilies)

    • Brachiopods and bivalves

  • Learn how these organisms lived in clear, shallow, warm waters, very different from Scotland today.

  • Understand how fossil assemblages help geologists reconstruct ancient ecosystems.

🌊 Limestone Beds & Fossil Horizons

  • Identify distinct fossil-rich limestone layers, often packed with broken shells and skeletal debris.

  • See how quieter periods allowed fine muds to settle, forming shales between limestone beds.

  • Learn to recognise bedding planes and fossil concentrations that mark key environmental changes.

🏝️ Changing Environments Through Time

  • Reconstruct the Carboniferous landscape:
    Tropical seas → lagoons → coastal plains → back to marine conditions

  • Understand how these repeating conditions created the layered geology seen today.

  • Link these cycles to global sea-level change and tectonic activity.

🌊 Coastal Exposure & Modern Processes

  • Walk across expansive wave-cut platforms, where the sea has revealed continuous rock layers.

  • See how erosion naturally “cuts” through the geology, exposing fossils and bedding structures.

  • Observe how modern coastal processes continue to shape and reveal the site.

👣 Hands-On Fossil & Rock Exploration

  • Learn how to spot fossils in the field and identify key fossil groups.

  • Practice reading sedimentary layers and environmental changes.

  • Try simple field sketches to capture fossil beds and rock sequences.

Who Should Attend?

  • Perfect for fossil lovers, families, students, and beginners, geology enthusiasts

  • Ideal if you want a clear, accessible introduction to sedimentary geology

  • Great for anyone interested in ancient life and past environments

Event Details

📍 Location: Barns Ness, near Dunbar, East Lothian

🗓️ Date: Friday 10th April 2026 14:00- 16:00

⏰ Duration: 2–3 hours

🎟️ Price: £25pp meet us there, £45 pick up from Glasgow

🥾 Terrain: Flat coastal rock platforms (best at low tide), rock scrambling, beach paths, tidal terrain

Why Join This Tour?

Led by @ScottishGeologist, this tour strips geology back to one of its most fascinating themes—life in deep time. Barns Ness is a place where you can stand on an ancient seabed, see the fossils of the creatures that lived there, and understand how environments changed over millions of years.