permineralized

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Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 1
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19002462369.html" target="_blank"><img src="http://farm4.static.flickr.com/3786/19002462369_5ceb48e4ca_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 1 / James St. John</span>

サイズ変更など

Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51160936052.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51160936052_e7fa5b6025_m.jpg" alt="" /></a><br />Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 7 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 45
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460374275.html" target="_blank"><img src="http://farm8.static.flickr.com/7455/13460374275_d2667a3104_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 45 / James St. John</span>

サイズ変更など

Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 99
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/54201055846.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54201055846_d65cb774ee_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 99 / James St. John</span>

サイズ変更など

Radioactive sauropod dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/15693894957.html" target="_blank"><img src="http://farm8.static.flickr.com/7519/15693894957_4a551fcb15_m.jpg" alt="" /></a><br />Radioactive sauropod dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) / James St. John</span>

サイズ変更など

Grotto Geyser
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48326231372.html" target="_blank"><img src="http://farm0.static.flickr.com/0/48326231372_ed425711dd_m.jpg" alt="" /></a><br />Grotto Geyser / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 23
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460410815.html" target="_blank"><img src="http://farm4.static.flickr.com/3748/13460410815_eb0a9da1a8_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 23 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460557853.html" target="_blank"><img src="http://farm8.static.flickr.com/7163/13460557853_d6bf26d9f3_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 5 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 71
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50163403371.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50163403371_c37404923b_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 71 / James St. John</span>

サイズ変更など

Petrified wood - Likely from Upper Triassic of Arizona
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/8464253143.html" target="_blank"><img src="http://farm9.static.flickr.com/8238/8464253143_c5252d046d_m.jpg" alt="" /></a><br />Petrified wood - Likely from Upper Triassic of Arizona / James St. John</span>

サイズ変更など

Slightly radioactive dinosaur bone (Morrison Formation, Upper Jurassic; Worland, Wyoming, USA) 3
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49202142236.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49202142236_7a8d43a54c_m.jpg" alt="" /></a><br />Slightly radioactive dinosaur bone (Morrison Formation, Upper Jurassic; Worland, Wyoming, USA) 3 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 4
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460810564.html" target="_blank"><img src="http://farm4.static.flickr.com/3692/13460810564_e253015f8d_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 4 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 192
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52385484458.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52385484458_926542c185_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 192 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 1
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460816034.html" target="_blank"><img src="http://farm4.static.flickr.com/3810/13460816034_37215fa016_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 1 / James St. John</span>

サイズ変更など

Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51161843178.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51161843178_9d84971969_m.jpg" alt="" /></a><br />Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 2 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460555763.html" target="_blank"><img src="http://farm4.static.flickr.com/3706/13460555763_7bedf64557_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 6 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 33
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460394675.html" target="_blank"><img src="http://farm4.static.flickr.com/3824/13460394675_030a20710a_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 33 / James St. John</span>

サイズ変更など

Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 4
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51161841948.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51161841948_70c39b9da7_m.jpg" alt="" /></a><br />Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 4 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 41
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460496803.html" target="_blank"><img src="http://farm3.static.flickr.com/2940/13460496803_7a35a609d3_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 41 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 8
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19001002448.html" target="_blank"><img src="http://farm1.static.flickr.com/497/19001002448_8df41252be_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 8 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/18567978953.html" target="_blank"><img src="http://farm1.static.flickr.com/347/18567978953_9faf8a1f3b_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 2 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19002431569.html" target="_blank"><img src="http://farm1.static.flickr.com/545/19002431569_cde4ccb096_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 7 / James St. John</span>

サイズ変更など

Fossil wood (Chinle Formation, Upper Triassic; Chalcedony Park/Petrified Forest National Park, Arizona, USA)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/43491543720.html" target="_blank"><img src="http://farm2.static.flickr.com/1908/43491543720_bfb5dc0ed4_m.jpg" alt="" /></a><br />Fossil wood (Chinle Formation, Upper Triassic; Chalcedony Park/Petrified Forest National Park, Arizona, USA) / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 38
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460751044.html" target="_blank"><img src="http://farm8.static.flickr.com/7125/13460751044_4bd02d2efc_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 38 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 3
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19002450599.html" target="_blank"><img src="http://farm1.static.flickr.com/310/19002450599_054a4778db_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 3 / James St. John</span>

サイズ変更など

Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51161841343.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51161841343_6824e94817_m.jpg" alt="" /></a><br />Stromatolite-encrusted fossil wood (Eocene; Blue Forest locality, Wyoming, USA) 5 / James St. John</span>

サイズ変更など

Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 62
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/54171122382.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54171122382_99baeb4505_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 62 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/18567959543.html" target="_blank"><img src="http://farm1.static.flickr.com/511/18567959543_8d3ed2f7a5_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 5 / James St. John</span>

サイズ変更など

Fossil wood (Sixmile Creek Formation, Upper Miocene, 6 Ma; near Dillon, Montana, USA) 1
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50658153322.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50658153322_e606399022_m.jpg" alt="" /></a><br />Fossil wood (Sixmile Creek Formation, Upper Miocene, 6 Ma; near Dillon, Montana, USA) 1 / James St. John</span>

サイズ変更など

Fossil wood (Sixmile Creek Formation, Upper Miocene, 6 Ma; near Dillon, Montana, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50657331208.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50657331208_71a6637373_m.jpg" alt="" /></a><br />Fossil wood (Sixmile Creek Formation, Upper Miocene, 6 Ma; near Dillon, Montana, USA) 2 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 194
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52385553274.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52385553274_b460091d27_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 194 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 30
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460515303.html" target="_blank"><img src="http://farm4.static.flickr.com/3721/13460515303_053ab77703_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 30 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 179
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52385546549.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52385546549_a9ebd9dc91_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 179 / James St. John</span>

サイズ変更など

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52661573700.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52661573700_62cdd7b594_m.jpg" alt="" /></a><br />Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 6 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 46
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460738094.html" target="_blank"><img src="http://farm8.static.flickr.com/7428/13460738094_bcdcb76959_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 46 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19188527805.html" target="_blank"><img src="http://farm1.static.flickr.com/464/19188527805_8967985642_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 6 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 24
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460409085.html" target="_blank"><img src="http://farm8.static.flickr.com/7092/13460409085_cf265a381c_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 24 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 17
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460786654.html" target="_blank"><img src="http://farm4.static.flickr.com/3808/13460786654_c7dc9c6e9a_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 17 / James St. John</span>

サイズ変更など

Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 73
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/54200027176.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54200027176_beebb535d9_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 73 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 11
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460546733.html" target="_blank"><img src="http://farm4.static.flickr.com/3684/13460546733_1657c6e2c3_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 11 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 111
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52384575230.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52384575230_90ce588a63_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 111 / James St. John</span>

サイズ変更など

Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 10
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/18566021584.html" target="_blank"><img src="http://farm1.static.flickr.com/509/18566021584_619904d15a_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 10 / James St. John</span>

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Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 9
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460801234.html" target="_blank"><img src="http://farm3.static.flickr.com/2874/13460801234_daffc20b87_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 9 / James St. John</span>

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Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 36
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460504573.html" target="_blank"><img src="http://farm4.static.flickr.com/3743/13460504573_83b792bdec_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 36 / James St. John</span>

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Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 113
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/54203570821.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54203570821_99ebe0464e_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 113 / James St. John</span>

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Sequoia sempervirens (fossil redwood tree trunks) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 1
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/15899695581.html" target="_blank"><img src="http://farm8.static.flickr.com/7521/15899695581_7c0a90fc33_m.jpg" alt="" /></a><br />Sequoia sempervirens (fossil redwood tree trunks) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 1 / James St. John</span>

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Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 24
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52666661999.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52666661999_64a4fe7ba8_m.jpg" alt="" /></a><br />Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 24 / James St. John</span>

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Fossil wood (Pennsylvanian; tributary of Shade Creek, Athens County, Ohio, USA)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31432520238.html" target="_blank"><img src="http://farm2.static.flickr.com/1962/31432520238_b7282f0d67_m.jpg" alt="" /></a><br />Fossil wood (Pennsylvanian; tributary of Shade Creek, Athens County, Ohio, USA) / James St. John</span>

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Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 18
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460418925.html" target="_blank"><img src="http://farm8.static.flickr.com/7342/13460418925_0af34deba4_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 18 / James St. John</span>

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Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 11
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19000871690.html" target="_blank"><img src="http://farm1.static.flickr.com/496/19000871690_f12f404c4b_m.jpg" alt="" /></a><br />Volkonskoite-replaced fossil wood (Upper Permian; Mt. Efimiatsk, Chastinsky District, foothills of the Ural Mountains, Russia) 11 / James St. John</span>

サイズ変更など

Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460438405.html" target="_blank"><img src="http://farm4.static.flickr.com/3771/13460438405_7ee8a57370_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 7 / James St. John</span>

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Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 25
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460523753.html" target="_blank"><img src="http://farm8.static.flickr.com/7323/13460523753_fc8549870f_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 25 / James St. John</span>

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Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 20
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52666872048.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52666872048_2726fbbced_m.jpg" alt="" /></a><br />Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 20 / James St. John</span>

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Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 39
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/13460749124.html" target="_blank"><img src="http://farm8.static.flickr.com/7443/13460749124_fea3470763_m.jpg" alt="" /></a><br />Fossil redwood tree trunk (probably Metasequoia) (Sepulcher Formation, Eocene; "Petrified Tree", Yellowstone National Park, Wyoming, USA) 39 / James St. John</span>

サイズ変更など

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52660628912.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52660628912_9a209684fe_m.jpg" alt="" /></a><br />Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 7 / James St. John</span>

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Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 19
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52665868612.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52665868612_f04034f0c0_m.jpg" alt="" /></a><br />Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 19 / James St. John</span>

サイズ変更など

Sequoia sempervirens (fossil redwood tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 109
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49107492472.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49107492472_36b30dbaa4_m.jpg" alt="" /></a><br />Sequoia sempervirens (fossil redwood tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 109 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 73
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50163401511.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50163401511_5db6f3f572_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 73 / James St. John</span>

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Grotto Geyser (11 July 2014) (HD)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/15849187323.html" target="_blank"><img src="http://farm8.static.flickr.com/7324/15849187323_9419a14aca_m.jpg" alt="" /></a><br />Grotto Geyser (11 July 2014) (HD) / James St. John</span>

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Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 69
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50163359266.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50163359266_b8da1e40b0_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 69 / James St. John</span>

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