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Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 3
Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 5
Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolitic metadolostone (Kona Dolomite, Paleoproterozoic, 2.2 to 2.3 Ga; Co. Rd. 480 roadcut, Ragged Hills, SW of Marquette, Upper Peninsula of Michigan, USA) 3
Stromatolitic metadolostone (Kona Dolomite, Paleoproterozoic, 2.2 to 2.3 Ga; Co. Rd. 480 roadcut, Ragged Hills, SW of Marquette, Upper Peninsula of Michigan, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 1
Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Mudcracks along the shoreline of Storr's Lake (San Salvador Island, Bahamas) 15
Mudcracks along the shoreline of Storr's Lake (San Salvador Island, Bahamas) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1

Oncolite in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 9
Oncolite in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1


Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 6
Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 7
Oncolites in fossiliferous limestone (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1

Modern Life in Modern Ooids on Mars
Modern Life in Modern Ooids on Mars
by Wretch Fossil

クリエイティブ・コモンズ 表示 2.1


Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 3
Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Oncolitic limestone 10
Oncolitic limestone 10
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 7
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1


Stromatolitic metadolostone (Kona Dolomite, Paleoproterozoic, 2.20-2.29 Ga; Marquette area, Upper Peninsula of Michigan, USA) 2
Stromatolitic metadolostone (Kona Dolomite, Paleoproterozoic, 2.20-2.29 Ga; Marquette area, Upper Peninsula of Michigan, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Biological soil crust at base of Wyoming  big sagebrush Seedskadee NWR
Biological soil crust at base of Wyoming big sagebrush Seedskadee NWR
by USFWS Mountain Prairie

クリエイティブ・コモンズ 表示 2.1

Storr's Lake (eastern San Salvador Island, Bahamas) 6
Storr's Lake (eastern San Salvador Island, Bahamas) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1


Stromatolite with embedded snails (Fort Laclede Bed, Laney Member, Green River Formation, Lower Eocene; ancient Lake Gosiute, southwestern Wyoming, USA)
Stromatolite with embedded snails (Fort Laclede Bed, Laney Member, Green River Formation, Lower Eocene; ancient Lake Gosiute, southwestern Wyoming, USA)
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolite with sediment fill between columns (Fort Laclede Bed, Laney Member, Green River Formation, Lower Eocene; ancient Lake Gosiute, southwestern Wyoming, USA)
Stromatolite with sediment fill between columns (Fort Laclede Bed, Laney Member, Green River Formation, Lower Eocene; ancient Lake Gosiute, southwestern Wyoming, USA)
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dictyonema glabratum--  The Cora Pavonia
Dictyonema glabratum-- The Cora Pavonia
by Dick Culbert

クリエイティブ・コモンズ 表示 2.1


Sterile Grass-Eating Carp Released Into J. Strom Thurmond Lake
Sterile Grass-Eating Carp Released Into J. Strom Thurmond Lake
by Savannah District, U.S. Army Corps of Engineers

クリエイティブ・コモンズ 表示 2.1

Ilha de Santa Catarina, Brasil
Ilha de Santa Catarina, Brasil
by Coordenação-Geral de Observação da Terra/INPE

クリエイティブ・コモンズ 表示-継承 2.1

Blackbrush habitat
Blackbrush habitat
by brewbooks

クリエイティブ・コモンズ 表示-継承 2.1


Oncolitic limestone 2
Oncolitic limestone 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Mudcracks along the shoreline of Storr's Lake (San Salvador Island, Bahamas) 6
Mudcracks along the shoreline of Storr's Lake (San Salvador Island, Bahamas) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Blackbrush habitat
Blackbrush habitat
by brewbooks

クリエイティブ・コモンズ 表示-継承 2.1


Oncolitic limestone (Flagstaff Limestone, Upper Paleocene; Fayette Wash, San Pitch Mountains, Utah, USA) 1
Oncolitic limestone (Flagstaff Limestone, Upper Paleocene; Fayette Wash, San Pitch Mountains, Utah, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 5
Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 7
Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1


Stromatolitic limestone (Chencha Formation, upper Neoproterozoic, 580 Ma; Patom Upland, Siberia, Russia) 2
Stromatolitic limestone (Chencha Formation, upper Neoproterozoic, 580 Ma; Patom Upland, Siberia, Russia) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Phormidium corallyticum (black-band disease) (San Salvador Island, Bahamas)
Phormidium corallyticum (black-band disease) (San Salvador Island, Bahamas)
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolite (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 3
Stromatolite (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 3
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Thrombolite-stromatolite (1.9 m diameter) (Conococheague Formation, Upper Cambrian; Boxley Materials Blue Ridge Quarry, Bedford County, Virginia, USA) 3
Thrombolite-stromatolite (1.9 m diameter) (Conococheague Formation, Upper Cambrian; Boxley Materials Blue Ridge Quarry, Bedford County, Virginia, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolite in silicified metadolostone (Kona Dolomite, Paleoproterozoic, 2.2 to 2.3 Ga; County Road 480 roadcut, Ragged Hills, Upper Peninsula of Michigan, USA) 3
Stromatolite in silicified metadolostone (Kona Dolomite, Paleoproterozoic, 2.2 to 2.3 Ga; County Road 480 roadcut, Ragged Hills, Upper Peninsula of Michigan, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Thrombolite-stromatolite (1.9 m diameter) (Conococheague Formation, Upper Cambrian; Boxley Materials Blue Ridge Quarry, Bedford County, Virginia, USA) 2
Thrombolite-stromatolite (1.9 m diameter) (Conococheague Formation, Upper Cambrian; Boxley Materials Blue Ridge Quarry, Bedford County, Virginia, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolite (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 4
Stromatolite (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Biological soil crust at base of Wyoming Big Sagebrush Seedskadee NWR 02
Biological soil crust at base of Wyoming Big Sagebrush Seedskadee NWR 02
by USFWS Mountain Prairie

クリエイティブ・コモンズ 表示 2.1


Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 2
Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Shark Bay, Australia
Shark Bay, Australia
by NASA Goddard Photo and Video

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 1
Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Blackbrush habitat
Blackbrush habitat
by brewbooks

クリエイティブ・コモンズ 表示-継承 2.1

Oncolitic limestone (Wirrapowie Limestone, Lower Cambrian; Mernmerna railroad bridge dry creek cut, South Australia) 3
Oncolitic limestone (Wirrapowie Limestone, Lower Cambrian; Mernmerna railroad bridge dry creek cut, South Australia) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 4
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1


Yucca baccata - Saddle Horse Canyon Overlook
Yucca baccata - Saddle Horse Canyon Overlook
by brewbooks

クリエイティブ・コモンズ 表示-継承 2.1

Lichen
Lichen
by Mind on Fire Photography

クリエイティブ・コモンズ 表示-継承 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 1
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Fossiliferous limestones and shales (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 4
Fossiliferous limestones and shales (Whitewater Formation, Upper Ordovician; Richmond South Rt. 27 roadcut, Indiana, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 9
Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 5
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1


Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 4
Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 10
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 10
by James St. John

クリエイティブ・コモンズ 表示 2.1

[051024] Oscillatoria A2 dry glass contact-mode xy 540nm (035)
[051024] Oscillatoria A2 dry glass contact-mode xy 540nm (035)
by Toby Ciranjiiva Tatsuyama-Kurk

クリエイティブ・コモンズ 表示-継承 2.1


Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 6
Stromatolites in limestone (Helena Formation (a.k.a. Siyeh Formation), Belt Supergroup, Mesoproterozoic, about 1.45 Ga; Going-to-the-Sun Highway, Glacier National Park, Montana, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 6
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolite (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 1
Stromatolite (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Lacustrine stromatolite (Green River Formation, Eocene; White Hill, near Ephraim, Utah, USA) 3
Lacustrine stromatolite (Green River Formation, Eocene; White Hill, near Ephraim, Utah, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 2
Stromatolites (Snowslip Formation, Belt Supergroup, Mesoproterozoic, 1.44 Ga; Glacier National Park, Montana, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 9
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1


Stromatolitic dolostone (Lykins Formation, Permian-Triassic; Front Range, Colorado, USA) 2
Stromatolitic dolostone (Lykins Formation, Permian-Triassic; Front Range, Colorado, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Reservatório da UHE de Barra Bonita, foz do Rio Piracicaba no Rio Tietê / Barra Bonita Reservoir at Piracicaba River mouth on Tietê River
Reservatório da UHE de Barra Bonita, foz do Rio Piracicaba no Rio Tietê / Barra Bonita Reservoir at Piracicaba River mouth on Tietê River
by Coordenação-Geral de Observação da Terra/INPE

クリエイティブ・コモンズ 表示-継承 2.1

Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 2
Stromatolites (Hoyt Limestone, Upper Cambrian; Lester Park Road outcrop, W of Saratoga Springs, New York State, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1



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