Sea stack, Wales
Coastal cliffs, Wales
Red sandstone cliffs, Wales, UK
Folds in rock, Cemaes Head, Pembrokeshire, Wales, UK
Blackchurch Rock in Crackington Formation
Jurassic rock strata
Kesselspitze, Radstatt Alps, Austria
Coastal shale platform
Shale specimen
Shale, close-up
A piece of black shale, close-up
Saline lagoon, Dale, Wales, UK
Flute marks on mudstone
Rock strata
Carboniferous limestone pavement, Malham Cove
Limestone cobbles on shale
Cliff rockfall at West Dale beach, Pembrokeshire, UK
Titanium deposits on a beach
Quartz and schist outcrops
Fossiliferous Limey Shale, New York, USA
Shale, California, USA
Eroded and pitted rock
St Bees Head, Cumbria, UK
Blackchurch Rock, Devon, UK
Gower limestone cliffs, Wales
Limestone pavement
Sinkhole in limestone cliff, UK
Wave-cut platform, Portencross, Scotland
Vertically Inclined Sandstone Strata
Kimmeridge Bay, Dorset, UK
Sandstone cliffs, Corfu, Greece
Red Shale
Shale
Shale with fossilized ripple marks
Fossil Starfish preserved in Shale
Shale, close up
Retiolites fossil on shale
Sample of shale
Cliffs at Handa Island, Scotland, UK
Anticlinal folded rock strata
Limestone and shale strata
Pyrite crystals on Shale
Bouma sequence in flysch
Sea campion (Silene uniflora)
South Devon coast, England, UK
The famous split rock of Clachtoll
Beinn Alligin, Scotland
Colourful rock strata, UK
Quartz mineral in limestone rock
Folded rock strata on Anglesey, Wales
Sydney Harbor National Park, New South Wales, Australia
Rock concretions
Sedimentary rock outcrop
Conical hill
Limestone cave
Iron pyrite crystal, SEM
Cambrian Trilobite
Sea stack and arch
Giant's Causeway
Coastal landscape
Granite on Capo Testa, Sardinia, Italy
Rock strata and snowmelt, Svalbard
Folded Sandstone, Kythira, Greece.
Folded schists
Folded rock strata, Greece
Corniche Basque, France
Layered flysch sediments
Flint and Chalk, Dover, England
Green marl
Araganite crystals in limestone cave
Delicate araganite structures in cave
Former limestone cave now exposed to sea
Iron pyrite crystals, SEM
Eroded sandstone
Sedimentary rocks
Sedimentary rock
Brandwag buttress, South Africa
Celestine I
Rock formations, Karnataka, India
Folding caused by submarine slumping
Orange lichen on glacier polished rock
Waves crashing against basalt rock
Granite boulders and sandy beach
Moss-covered rocks
Amphibolite metamorphic rock
Avakas Gorge, Cyprus
Krizna Jama Cave, Loz Valley, Slovenia
Cross-bedding in sandstone rock
Arkose, a sedimentary rock, Massachusetts
Sandstone rock formation, South Africa
Concretion of sand and iron on Dinosaur Ridge, Colorado, USA
Volcanic rock cavities
Ice avalanche
Folded gneiss and old bridge
Folded gneiss
Rock formation resembling a face
Shelly limestone, polarised LM
Nummulitic limestone, LM
Nummulitic Limestone, LM
Polarised LM of thin section of greywacke
Thrift (Armeria maritima), Skomer Island, UK
Standing stone, Wales
Appenzell Alps, Switzerland
Pedestal erratics
Pedestal erratic
Karst rock formation, Switzerland
Weathered sandstone sea cliff
Coastal limestone platform
Glacial sediments
Slate outcrop, France
Arkose, polarised light micrograph
Folded rock strata
Slot canyon
Limestone karst remnant
Anticlinal chevron rock fold
Quiver tree (Aloe dichotoma)
Chalk cliffs
Common sea slater
Coastal erosion, Happisburgh, UK
Sandstone cliffs
Tephra surface of Hunga Tonga窶滴unga Ha'apai island
Limestone pavement, New Zealand
Agglestone Rock, UK
Frost-shattered rocks
Bedding planes in Sandstone
Lampung
Mineral terraces at Crystal Geyser, USA
Basalt outcrop
Banding patterns
Granite rock arch in mountains in Namibia
Ute Mountain Reservation, USA
Glacial pothole
South of Taiwan
Igneous rocks near Arbatax, Sardinia, Italy
Goniatites crenistria fossilised in shale
St. Oswald's Bay, Dorset, UK
The Twelve Apostles, Victoria, Australia
Water lilies (Nymphaea alba), Pembrokeshire, Wales, UK
Common centaury (Centaurium erythraea), Wales, UK
Sedimentary rock concretion
Limestone specimen
Arkose, a sedimentary rock
Yellow Sandstone
Variety of Metamorphic Rocks
Sedimentary Rocks
Slate, Brattleboro, Vermont, USA
Slate roofing
Septarian nodule
Folds of calcite in limestone rock
Pink orthoquartzite
Greywacke
Gypsum rock
Sandstone
Welsh slate, close up
Chert, a type of sedimentary rock