Category: LOCATIONS

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Geology museums of Britain: The Crystal Palace dinosaurs – the birth of scientific reconstruction

With the restoration of the Crystal Palace prehistoric sculptures and their remarkable Geological Court now virtually complete, it is perhaps worth asking why this unique Victorian landscape continues to command such scientific and historical importance. Why should geologists, palaeontologists and members of the public still make the journey to south London to see reconstructions that are now more than 170 years old and, in many respects, scientifically outdated?

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Geology museums of mainland Europe: The Galerie de Paléontologie et d’Anatomie Comparée, Paris

Jon Trevelyan (UK) The Galerie de Paléontologie et d’Anatomie Comparée, part of the Muséum national d’Histoire naturelle, is located in the Jardin des Plantes in Paris. Established in 1898, the gallery showcases an extensive collection of fossils and anatomical specimens, offering insights into the evolution of life on Earth. The … Read More

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The lost rainforest of the West Cumberland Coalfield (Part 2): A forest of giants – Lepidodendron and Sigillaria

The most visually arresting fossils from the West Cumberland Coalfield, indeed from almost any British Carboniferous site, are the great patterned slabs of lycopsid bark that, if you are lucky, can sometimes be found. Their surfaces carry unmistakable geometric signatures: the diamond-shaped leaf cushions of Lepidodendron or the vertical rows of elongated scars typical of Sigillaria.

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Book review: Beneath the Stone: CT Imaging Applied to Fossils, by Jean-Claude Le Van An

“Never judge a fossil by its surface.” Although not stated quite so succinctly, this is the central message running through Beneath the Stone. Jean-Claude Le Van An demonstrates that a fossil’s outward appearance often tells only part of the story. Hidden beneath the surrounding rock may be exquisite anatomical detail, evidence of ancient life never visible to the naked eye – or, occasionally – proof that an apparently spectacular specimen is not what it seems.

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Aberdare: Coal, memory and the fossil forests beneath

This article explores a single landscape – Aberdare – through three interlocking layers: the Carboniferous forests that formed the coal, the industrial system that extracted it, and the lives lived within that system. Each survives only in fragments: fossils weathering from shale, objects preserved in family memory, and traces embedded in the modern landscape. Taken together, these fragments allow the reconstruction of a place in which deep time, industry and lived experience are inseparable.

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The lost rainforest of the West Cumberland Coalfield (Part 1): A window into the Carboniferous tropics

The fossils described in this series formed during the Carboniferous Period, around 320 million years ago, when Britain lay close to the Equator. The above figure places the Carboniferous within Britain’s wider geological history. During this interval, extensive tropical wetlands covered much of the country, producing the peat deposits that would later become the coal seams of the West Cumberland Coalfield. This series explores one remarkable record of that vanished landscape.

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A history of the plate tectonics of Britain (Part 4): A quiet crust with a long memory – tectonic inheritance in the modern British landscape

Modern Britain lies far from active plate boundaries. It has no active volcanoes and experiences only minor earthquakes, and is often described as tectonically quiet. Yet its landscape is anything but passive. Hills and lowlands, coastlines and drainage patterns all reflect a deep structural inheritance established during earlier phases of continental collision, collapse and rifting.

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Book review: In Search of Sea Dragons: A Fossil Hunter’s Odyssey, by Matthew Myerscough

Matthew Myerscough’s In Search of Sea Dragons: A Fossil Hunter’s Odyssey begins not with fossils, but with survival. Early in the book, Myerscough recounts how he and his future wife narrowly escaped death in an avalanche on Snowdon. The experience casts a long shadow over everything that follows. What initially appears to be a book about fossil hunting, gradually reveals itself as something rather more personal: a memoir about recovery, obsession, friendship and the strange hold that collecting can exert over people.

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A history of the plate tectonics of Britain (Part 3): Britain breaks apart – rifting, volcanoes and the birth of the Atlantic

By the end of the Carboniferous, Britain had already passed through more than one major phase of mountain building, each followed by long periods of erosion and structural collapse. The Caledonian mountains were long eroded, and the Variscan belt of southern Britain was entering its final stages of decay. Yet tectonic influence did not fade away. Instead, the dominant regime changed. Britain was no longer being compressed – it was being stretched.

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A history of the plate tectonics in Britain (Part 2): When mountains fall – collapse, basins and the foundations of Britain’s lowlands

The collision that assembled Britain at the end of the Silurian (see A history of the plate tectonics of Britain (part 1): Britain assembled – oceans, collisions and the making of a geological patchwork) did not mark the end of tectonic influence on the landscape. Instead, it marked the beginning of a new phase – one that is often less intuitively grasped, but just as important. Mountain belts are temporary features. Once continental collision ceases, thickened crust becomes gravitationally unstable. Erosion strips material from the surface, while extension and faulting affect the deep roots of the orogen. The geological record that follows is not one of rising peaks, but of collapse, subsidence and redistribution.

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Geology museums of mainland Europe: The museum national d’Histoire naturelle’s Galerie de Géologie et de Minéralogie, Paris

Jon Trevelyan (UK) The origins of the collection at the Museum national d’Histoire naturelle’s Galerie de Géologie et de Minéralogie in Paris date back surprisingly far. In 1625, under Louis XIII, minerals thought to have medicinal virtues were deposited in the ‘droguier du roi’ (royal drug cabinet) associated with the then … Read More

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A history of the plate tectonics of Britain (Part 1): Britain assembled – oceans, collisions and the making of a geological patchwork

Britain is often described as geologically quiet. There are no active volcanoes, no subduction zones, and only modest earthquakes. Yet, for its size, few countries display such a concentration of geological variety. Mountain uplands, volcanic terrains, deeply folded rocks, and ancient metamorphic cores all occur within a relatively small area. The explanation for this diversity lies not in Britain’s present tectonic setting, but in a long and complex tectonic history that assembled the country piece by piece from fragments that originated far apart.

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The weird and wonderful of the Ediacaran Period (Part 10): Tribrachidium – the tri-radial enigma of the Ediacaran seas

Jon Trevelyan (UK) This is the tenth of my series of short articles on fossils of the Ediacaran Period. Of all the organisms populating the Ediacaran oceans, Tribrachidium stands out as one of the most geometrically extraordinary. Living around 555 million years ago, it possessed a perfectly tri-radial body plan … Read More

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Book review: A Field Guide to Collecting British Cenozoic Fossils, by Steve Snowball and Alister Cruickshanks

Books devoted specifically to collecting Britain’s Cenozoic fossils are surprisingly rare. While collectors are well served by guides to the country’s Palaeozoic and Mesozoic fossils, the younger deposits that record the last 66 million years of Earth history have received far less attention. A Field Guide to Collecting British Cenozoic Fossils aims to address that gap by providing a practical introduction to the fossils and collecting sites associated with these deposits.

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Geology museums of mainland Europe: The Museo di Storia Natural, geology and palaeontology, Verona

Jon Trevelyan (UK) The geology and palaeontology section at the Museo di Storia Naturale: geology and palaeontology in Verona is one of those museum experiences that perhaps quietly insists you pay attention if you notice it there among the other attractions of this lovely town. It doesn’t shout with flashy … Read More

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The death of the Upper Greensand: A stratigraphic obituary for a vanished formation

For much of the twentieth century, generations of students (and amateurs like me) learned a tidy, mid-Cretaceous succession for southern England:

Lower Greensand – Gault Clay – Upper Greensand – Chalk.

It appeared in every textbook, diagram and museum panel. There was an appealing symmetry to the sequence, with two sands bracketing the impervious Gault and the Chalk resting neatly above. It seemed so natural that few doubted it.

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The weird and wonderful of the Ediacaran Period (Part 5): Fractofusus – the dominant rangeomorph of the Mistaken Point biota

Jon Trevelyan (UK) This is the sixth of my series of short articles on fossils of the Ediacaran Period Fractofusus is one of the most abundant and ecologically revealing organisms of the Ediacaran Period, flourishing around 565 million years ago in the deep-marine settings of the Mistaken Point Formation, Newfoundland. … Read More