Brandwag buttress, South Africa
Sandstone cliffs, Corfu, Greece
Banding patterns
Rock formations, Valle de la Luna, San Pedro de Atacama, El Loa Province, Antofagasta Region, Chile
Glacial pothole
Carboniferous limestone pavement, Malham Cove
Rock concretions
Limestone pavement
Sedimentary rock outcrop
Eroded sandstone
Limestone cave
Wave-cut platform, Portencross, Scotland
Tsingy de Bemaraha, Madagascar
Aa lava, Pacaya, Guatemala
Granite rock arch in mountains in Namibia
Conical hill
Black Dolerite boulders in the northern cape
Karst rock formation, Switzerland
Agglomerate rock, polarised LM
Eroded rock formation
Folded rock strata
Giant's Causeway
Colorful danxia
Coastal limestone platform
Nummulitic limestone, LM
Nummulitic Limestone, LM
Shelly limestone, polarised LM
Polarised LM of thin section of greywacke
Sample of granite
Amber
Basalt columns
Red sandstone cliffs, Wales, UK
Basalt outcrop
Volcanic rocks
Sedimentary rocks
Sedimentary rock
Argyre impact basin, Mars, Viking 1 image
Slot canyon
Limestone karst remnant
Eroded and pitted rock
Cave stalagmites
Greenland coastal landscape
Avakas Gorge, Cyprus
Rock formations, Karnataka, India
Agglestone Rock, UK
Valles Marineris, Mars, Viking 1 image
Coastal rock ledge at high tide
Volcanic landscape of Lanzarote
Timanfaya National Park, Lanzarote
Duden Waterfalls, Turkey
Southern Alps, New Zealand
Waterfall
Araganite crystals in limestone cave
Delicate araganite structures in cave
Former limestone cave now exposed to sea
Mountain, illustration
South Devon coast, England, UK
Mineral terraces at Crystal Geyser, USA
Tufa rock formation
Volcanic solfatara formation
Flute marks on mudstone
Limestone pavement, New Zealand
Boca Waterfall, Slovenia
Banded sandstone rock
Clay soil
Sandy soil
Loam soil
Hoodoo rock formation
Lower Antelope Slot Canyon, Arizona
Old Cave houses in Guadix
Cliffs at Handa Island, Scotland, UK
Coastal cliffs, Wales
Ice avalanche
Corona sandstone arch
Sandstone cliffs
Chalk cliffs, south-east England
Titanium deposits on a beach
Colourful rock strata, UK
Ute Mountain Reservation, USA
Krizna Jama Cave, Loz Valley, Slovenia
Folded schists
Orange lichen on glacier polished rock
Layered flysch sediments
Tephra surface of Hunga Tonga窶滴unga Ha'apai island
Sea stack, Wales
Beinn Alligin, Scotland
Limestone formation in Carlsbad Caverns
Physical weathering
Weathered sandstone boulder
Fjallaback Nature Reserve, Iceland
Texel Mountains, Oetztal Alps, Italy
Trachyte specimen
Badlands
Slate outcrop, France
Quartz and schist outcrops
Glacially shaped landscape
Weathered sandstone rocks
Green marl
Conichalcite and adamite
Marble pebbles
Copper salts on a rock
Pegmatite intrusion into gneiss rock
Nummulitic limestone, polarised light micrograph
Valles Marineris, Mars, artwork
Tertiary limestone
Layering in Spallanzani Crater, Mars
Sand dunes
Old Cave houses in Guadix, Spain
Frost-shattered rocks
Sandstone arches
Sandstone erosion
Sandstone rock formation, South Africa
Limestone formations in Carlsbad Caverns
39 Steps Waterfall, South Africa
HMS Challenger explorers, 19th century
Stained rocks
Amethyst crystals
South Africa, Western Cape, Oudtshoorn, Cango Cave 1
Cross-bedding in sandstone rock
Ammonite in front of Lias cliffs
Salt glacier, Zagros Mountains, ISS image
Mont-Blanc-Massif, Italy
Geological map of the USA
Earth Pyramids, Italy
Martian drilling site, Curiosity image
Folded rock strata, Patagonia
Kimmeridge Bay, Dorset, UK
Folded gneiss
Pedestal erratics
Pedestal erratic
Kambhorn reflected in lagoon, Iceland
Skjaldbreidur shield volcano, Iceland
Granite on Capo Testa, Sardinia, Italy
Italian medieval city on volcanic neck
Balance Rock, British Columbia
Volcanic rock cavities
Folded rock strata by a lake
Jurassic rock strata
Appenzell Alps, Switzerland