Clay soil
Sandy soil
Loam soil
Soil samples
Clay Soil
Green jungle surrounded the danxia landform landscape
Clay
Old Cave houses in Guadix
Clay Concretion, Vermont, USA
Sepiolite clay mineral
Old Cave houses in Guadix, Spain
Chert rock
BOUNDARY IMPACT EVIDENCE
Green nontronite
Bentonite
Halloysite
Boulder clay
Cevennes schist metamorphic rocks
Clay Concretion, Massachusetts, USA
Polished limestone
Malachite
Brochantite
Amber research, close-up of amber
Clay, SEM
Clay, Gay Head, Martha's Vineyard
Glacial pothole
Brandwag buttress, South Africa
Loam Soil
Soil
Calcium nuggets
Covellite in clay groundmass, close-up
Rock types
Ochre cliffs, France
Illite
Montmorillonite crystals in bentonite
Jezero Crater, Mars, satellite image
Chelyabinsk meteorite fragment
Sample of shale
Sample of clay
Total lunar eclipse
Rock formations, Valle de la Luna, San Pedro de Atacama, El Loa Province, Antofagasta Region, Chile
Polarised LM of thin section of greywacke
Native platinum
Cliff erosion
Chrysocolla
Soil research
Soil bank
Nummulitic limestone, polarised light micrograph
Cryoturbation in soil lacquer profile
Slot canyon
Sand
Peat
Potter and lump of clay
Colorful danxia
Folded rock strata
Rock concretions
Limestone pavement
Sedimentary rock outcrop
Giant's Causeway
Eroded sandstone
Sample of granite
Limestone cave
Agglomerate rock, polarised LM
Shelly limestone, polarised LM
Nummulitic limestone, LM
Nummulitic Limestone, LM
Carboniferous limestone pavement, Malham Cove
Eroded rock formation
Sandstone cliffs, Corfu, Greece
Black Dolerite boulders in the northern cape
Karst rock formation, Switzerland
Vein of iron in rock
Amber
Subsoil sample
Rhyolite
Gold nugget
Iron pyrites
Corniche Basque, France
Red sandstone
Quartz seam in schist
Martian landscape, satellite image
Mudstone
Shale
Shale, close up
Cliffs in Sisteron, Alpes de Haute Provence, France
Podzol soil
China Savage valley, rocky mountain
Badlands
Trees planted in Loess deposits
Mapping of Tongan island Hunga Tonga Hunga Ha窶兮pai
Glacially shaped landscape
Coastal rock ledge at high tide
Red karst limestone pinnacles
Cuyahoga Valley National Park, USA
Valles Marineris, Mars, Viking 1 image
Conical hill
Limestone karst remnant
Eroded and pitted rock
Tufa rock formation
Aa lava, Pacaya, Guatemala
Volcanic solfatara formation
Volcanic rocks
Sedimentary rocks
Sedimentary rock
Banding patterns
Granite rock arch in mountains in Namibia
Sand dunes
Cave stalagmites
Argyre impact basin, Mars, Viking 1 image
Wave-cut platform, Portencross, Scotland
Datong soil Lin
Gay Head, Martha's Vineyard, USA
Dried river bed, Swakop River, Namibia
Limestone formation in Carlsbad Caverns
Erbium
Europium
Samarium
Holmium
Cerium
Gadolinium
Yttrium
Thulium
Praseodymium
Terbium
Physical weathering
Weathered sandstone boulder
Tsingy de Bemaraha, Madagascar
Volcanic landscape of Lanzarote
Timanfaya National Park, Lanzarote
Ritten Earth Pillars
Salt glacier, Zagros Mountains, ISS image
Chamarel coloured earths, Mauritius
Gold Nugget, Stowe Vermont, USA
Sodium borohydride powder
Dry magnesium chloride
Belemnite shell fossilised in clay
New Zealand, View of White Island
Mineral terraces at Crystal Geyser, USA
Greenland coastal landscape
dna samples
Bottles containing coloured liquid
Diaspore
Septarian nodule surface
Ammonite in front of Lias cliffs
Macrophotograph of high purity cobalt
Tertiary limestone