Shales Collection

Lias Shales at Portrush Indurated By Dykes - a side view of an escarpment showing strata alignment. (Location: Northern Ireland; County Antrim; Portrush). Date: circa early 1900s

Fern Impressions in Carboniferous Shales, Hutton Colliery - a view of a rock exposed to show fossilised ferns inside. (Location: Ireland). Date: circa early 1900s

Basalt Dyke in Silurian Shales, Glasdrummond Co. Down - a view of a dark outcrop of the dyke on the lighter coloured rocks at the seashore. (Location: Northern Ireland; County Down; Glasdrummond)

Ammonite and bivalve fossils C017 / 8487
Ammonite and bivalve fossils, exposed in a flat dolostone bed of coastal rocks. This specimen was found in the Kimmeridge Clay Formation, in Dorset, UK, part of the Jurassic Coast Heritage Site

Fish fossil C017 / 8485
Fish fossil. Fossilised bones of a fish exposed in a flat dolostone bed of coastal rocks. This specimen was found in the Kimmeridge Clay Formation, in Dorset, UK

Ammonite fossil C017 / 8486
Ammonite fossil, exposed in a flat dolostone bed of coastal rocks. Ammonites, now extinct, were marine invertebrate molluscs with a spiral shell, most less than 20 centimetres across

Devonian slates and shales. The erosion and cleavage of the slate is clearly visible in the foreground as the loose, clean cut rock

Shale coastline. Shales are sedimentary rocks formed from mud or clay. Photographed at Rockham beach, north Devon, UK

Sea stack, Wales
Sea Stack in carboniferous shale. Sea stacks are pillars of rock that have become isolated from the headland by erosion. Photographed near Haroldston West, South Pembrokeshire, Wales, UK

Red shale exposed on hillside, Gros Ventre Valley, Wyoming, United States of America, North America

Gullies eroded into the Pierre shales, Badlands National Park, South Dakota, USA

Gullies eroded into the Pierre shales below Loop Road, Sage Creek wilderness, Badlands National Park, South Dakota, United States of America, North America

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Shales: A Window into Earth's Ancient Past Lias Shales at Portrush Indurated By Dykes - These Lias shales, hardened by the intrusion of dykes, offer a glimpse into the geological history of Portrush. The layers hold secrets from millions of years ago. Fern Impressions in Carboniferous Shales, Hutton Colliery - Preserved fern impressions found within these Carboniferous shales at Hutton Colliery provide evidence of lush vegetation that thrived during this ancient era. Basalt Dyke in Silurian Shales, Glasdrummond Co. Down - Witness the stunning contrast between basalt dykes and Silurian shales at Glasdrummond Co. Down. This intersection showcases the dynamic forces that shaped our planet. Ammonite and bivalve fossils C017 / 8487 - Discover an extraordinary collection of ammonite and bivalve fossils preserved within these remarkable shales. Each fossil tells a story from eons past. Fish fossil C017 / 8485 - Unearthed from the depths of time, this fish fossil embedded in shale offers a rare glimpse into prehistoric marine life and its evolution over millennia. Ammonite fossil C017 / 8486 - Delicate yet resilient, this ammonite fossil encapsulated within shale reveals intricate details about ancient sea creatures that once roamed our oceans. Shale coastline – Behold the rugged beauty of a shoreline adorned with shale formations. Carved by wind and waves over countless ages, it stands as a testament to nature's artistry. Devonian slates and shales – Explore Devonian slates and shales to uncover clues about Earth's geological past. These sedimentary rocks hold stories waiting to be deciphered by curious minds. Sea stack, Wales – Towering majestically against crashing waves lies a sea stack formed through erosion on Welsh shores.