Calcium carbonate formation at a hot spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
Close-up of limestone rock formation, Minerva Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
Terraces at a hot spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
High angle view of steam emerging from a hot spring, Angel Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
Mammoth Hot Springs, Yellowstone
Mammoth Hot Springs, USA
Mineral terraces
Minerva Terrace. Mammoth Hot Springs. Yellowstone National Park. Wyoming. USA.
Mammoth Hotsprings
Dead trees on a landscape, Angel Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
Rock formations in hot spring
Minerva Terrace, Mammoth Hot Springs
SEM of a synthetic shell of calcium carbonate
マンモス・ホットスプリングス/ORENGE SPRING MOUND
リバティキャップ/マンモス・ホットスプリングス
Mammoth Hot Spring, Yellowstone National Park, Wyoming, USA
USA, Wyoming, Yellowstone National Park, Mammoth Hot springs
石灰華
USA, Wyoming, Yellowstone National Park, Mammoth Hot Springs Terrace, Rock face
Rear view of a person sitting in front of a hot spring, Mammoth Hot Springs, Yellowstone Lake, Wyoming, USA
マンモスホットスプリングス
USA, Wyoming, Mammoth Hot Springs, Yellowstone National Park
Aragonite, folded
Mammoth Hot Springs under snow, Yellowstone National Park, Wyoming, USA
リバティ・キャップ/マンモスカントリー
Juvenile Killdeer (Charadrius vociferus) on calcium deposit at mammoth hot springs, Yellowstone National Park, Wyoming, USA
Mammoth hot springs and terraces of calcium carbon deposit, Yellowstone National Park, Wyoming, USA
Pisolitic calcium carbonate
Calcium carbonate precipitation
Calcium carbonate crystals, SEM
石灰華 二股温泉
USA, Wyoming, Yellowstone National Park, Mammoth Hot Springs, travertine terrace
USA, Wyoming, Yellowstone National Park, Mammoth Hot Springs Terrace
USA, Yellowstone National Park, View to village Mammoth Hot Springs
Calcium carbonate label
USA, Wyoming, Yellowstone National Park, Dead trees on a hill of travertine in Mammoth hot springs terraces
Calcium carbonate
Aragonite
calcite veining in limestone
Banded calcite \Onyx\" II"
Aragonite crystals
Professor Stephen Mann, British chemist
Fossil debris in chalk, SEM
Polished limestone
Limestone and shale strata
Marble
Decrotive Paesina stone
Sample of chalk
Sample of limestone
Stromatolite crystals, SEM
Pair of Aptychi (Lamellaptychi)
Chalk cliffs, south-east England
Brazilianite crystals in calcite
Aragonite-covered crayfish
Cut and polished septarian nodule
Calcite in mudstone
Geothermal limestone terrace
Geothermal limestone deposit
Ammonite fossils
Limestone cobbles on shale
Coquina
Flos-ferris Aragonite
Tufa
Fossil algae
Calcareous mudstone
Coral limestone
Oolitic limestone, light micrograph
Foraminifera are large shelled amoebas
Foraminifer Globigerina bulloides, model
Foraminifer Bigenerina nodosaria, model
Glowing limestone chip
Tufa rock formation
ミネルバ・テラス/ロウアーテラス/マンモスカントリー
パレット・スプリング/ロウアーテラス/マンモスカントリー
Graphite on calcite crystals
Red calcite, Mexico
USA, Wyoming, Yellowstone National Park, Dead tree in landscape
Mammoth Hot springs at sunset, Yellowstone National Park, Wisconsin, United States, North America
Calcite rock concretion
マンモス・ホットスプリングス/ミネルバテラス
Measuring reaction rate
秋芳洞黄金柱
Milky Way over Yellowstone, USA
ジュピター・スプリング/ロウアーテラス/マンモスカントリー
マンモス・ホットスプリングス,NEW BLUE SPRING
Travertine formations, Yellowstone National Park, USA
President Theodore Roosevelt's Western Tour, Visiting Liberty Cap, Yellowstone National Park, Wyoming, USA, Stereo Card, R. Y. Young, American Stereoscopic Company, 1903
Calcareous sinter and leaves
Sageleaf willow (Salix candida)
Limestone industry products
Deformed calcite crystal
Crenulation cleavage in calcite
Calcite globules
Septarian nodule surface
Sample of calcite
Calcite crystals.
Calcite crystals
Coral calcite crystals
Silver crystals in calcite
Magnetite and calcite
Aragonite crystals with sulphur
Flos-ferri aragonite
Pseudomorphic crystal growth
Calcareous phytoplankton, SEM
Calcite crystal
Calcite
Apophyllite on calcite
Aragonite (Sprudelstein)
Pisolite
Crystalline calcite
Pink calcite crystals
Zinc ore under ultraviolet light
Zinc ore
Double refraction in a calcite crystal
Chalk cliffs, Cyprus
Zincite in fraklinite
Quartz encrusted calcite crystals
Septarian nodule
Lithographic limestone
Grey limestone and iron oxide
Limestone
Yellow limestone
Banded calcite \Onyx\" I"
Macrophotograph of crystals of calcite
Calcite crystal group
Skalenoedric calcite crystals
Scalenohedral calcite crystals
Mollusc shell, SEM
Dawn over Seaford Head
Anisclo Gorge, Ordesa National Park, Spanish Pyrenees
Cenote Xkeken, Mexico
Aragonite floral crystals