permineralized

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Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 51
by James St. John

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50153417013.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153417013_f3486c3168_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 51 / 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) 58
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/54171122127.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54171122127_9e7bb0b2b2_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 58 / 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) 118
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/54203824189.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54203824189_7c4e99be42_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 118 / 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) 57
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/54171122072.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54171122072_2c27a624d7_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 57 / 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) 116
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/54203571536.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54203571536_e6bc06dfcf_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 116 / James St. John</span>

サイズ変更など

Sequoia sempervirens (fossil redwood tree trunks) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, 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/49109716583.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49109716583_9407b187c8_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) 113 / James St. John</span>

サイズ変更など

Pinus sp. (fossil pine tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 21
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/49098010676.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49098010676_0ac8913283_m.jpg" alt="" /></a><br />Pinus sp. (fossil pine tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 21 / 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) 12
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/54154802993.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54154802993_7d84078832_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 12 / 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) 112
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/49109718033.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49109718033_35545a2ed1_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) 112 / 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) 51
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/49093091021.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49093091021_dba8871f0e_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) 51 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 50
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/50153417788.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153417788_27e60eb6d9_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 50 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 27
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/50153931136.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153931136_a36fd6684d_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 27 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, 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/50153320522.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153320522_6b28a74b30_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 24 / James St. John</span>

サイズ変更など

Sequoia sempervirens (fossil redwood tree trunks) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 89
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/49097171178.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49097171178_14cc31e169_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) 89 / 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) 97
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/54201308674.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54201308674_1cd3bc9305_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 97 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, 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/50153293367.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153293367_0eb9926f5a_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 2 / 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) 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/49110223341.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49110223341_11dcc70356_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) 111 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 182
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/52385475958.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52385475958_e31662dbba_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 182 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 68
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/50163360211.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50163360211_2760ced07b_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 68 / James St. John</span>

サイズ変更など

Glen Canyon Sandstone over Chinle Formation (Dinosaur National Monument, Utah, 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/48861039831.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48861039831_61589f53cb_m.jpg" alt="" /></a><br />Glen Canyon Sandstone over Chinle Formation (Dinosaur National Monument, Utah, USA) 1 / 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) 12
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/49092454548.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49092454548_cf951f226d_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) 12 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 44
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/50153971056.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153971056_dc98fd46a0_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 44 / James St. John</span>

サイズ変更など

Grotto Geyser eruption (9:41 AM-on, 15 August 2018) 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/45712107584.html" target="_blank"><img src="http://farm8.static.flickr.com/7915/45712107584_495121195b_m.jpg" alt="" /></a><br />Grotto Geyser eruption (9:41 AM-on, 15 August 2018) 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) 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/50152535148.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50152535148_fac215acab_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 23 / 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) 98
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/49107446997.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49107446997_15f7428593_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) 98 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 132
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/52384428873.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52384428873_79d33ed620_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 132 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 26
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/50153082031.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153082031_1cf2db6a01_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 26 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 189
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/52384312962.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52384312962_3052312ee4_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 189 / James St. John</span>

サイズ変更など

Shinarump Conglomerate (Upper Triassic; Dinosaur National Monument, Utah, 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/48815422158.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48815422158_355dbf5f3e_m.jpg" alt="" /></a><br />Shinarump Conglomerate (Upper Triassic; Dinosaur National Monument, Utah, USA) 3 / James St. John</span>

サイズ変更など

Opalescent Pool
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/8269366355.html" target="_blank"><img src="http://farm9.static.flickr.com/8350/8269366355_b980a34a6f_m.jpg" alt="" /></a><br />Opalescent Pool / James St. John</span>

サイズ変更など

Pinus sp. (fossil pine tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, 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/49098010626.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49098010626_74b3ed4428_m.jpg" alt="" /></a><br />Pinus sp. (fossil pine tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 20 / 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) 115
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/49111259453.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49111259453_d2c280b8a9_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) 115 / James St. John</span>

サイズ変更など

Grotto Geyser eruption (9:41 AM-on, 15 August 2018) 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/44618689690.html" target="_blank"><img src="http://farm8.static.flickr.com/7887/44618689690_b66c50ebac_m.jpg" alt="" /></a><br />Grotto Geyser eruption (9:41 AM-on, 15 August 2018) 1 / James St. John</span>

サイズ変更など

Sequoia sempervirens (fossil redwood tree trunks) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 86
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/49097877162.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49097877162_f2e0f5e390_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) 86 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 60
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/50162830573.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50162830573_f0eb32b2b2_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 60 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, 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/50153934911.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153934911_a934983351_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 38 / James St. John</span>

サイズ変更など

Fossil wood (Yld'aa, banks of the Indigirka River, Yakutia, Siberia, 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/39376921164.html" target="_blank"><img src="http://farm5.static.flickr.com/4719/39376921164_2993baac67_m.jpg" alt="" /></a><br />Fossil wood (Yld'aa, banks of the Indigirka River, Yakutia, Siberia, Russia) 1 / James St. John</span>

サイズ変更など

Sequoia sempervirens (fossil redwood tree trunks) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 83
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/49097877552.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49097877552_fa3690bc7b_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) 83 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 185
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/52385474923.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52385474923_33a90b66fe_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 185 / James St. John</span>

サイズ変更など

Glen Canyon Sandstone over Chinle Formation (Dinosaur National Monument, Utah, 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/48863600432.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48863600432_04a4eec178_m.jpg" alt="" /></a><br />Glen Canyon Sandstone over Chinle Formation (Dinosaur National Monument, Utah, USA) 5 / James St. John</span>

サイズ変更など

Pinus sp. (fossil pine tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, 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/49098010756.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49098010756_0c3c2eb08d_m.jpg" alt="" /></a><br />Pinus sp. (fossil pine tree trunk) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 19 / James St. John</span>

サイズ変更など

Shinarump Conglomerate (Upper Triassic; Dinosaur National Monument, Utah, 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/48815781441.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48815781441_61db4a52c5_m.jpg" alt="" /></a><br />Shinarump Conglomerate (Upper Triassic; Dinosaur National Monument, Utah, USA) 2 / 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) 100
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/49106746548.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49106746548_da4bd78206_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) 100 / James St. John</span>

サイズ変更など

Sequoia sempervirens (fossil redwood pieces) (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/49112092977.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49112092977_82dc91c5ab_m.jpg" alt="" /></a><br />Sequoia sempervirens (fossil redwood pieces) (Sonoma Volcanics, Upper Pliocene, 3.2 to 3.4 Ma; Calistoga Petrified Forest, Calistoga, California, USA) 1 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 58
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/50162820288.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50162820288_c5dce08f74_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 58 / 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) 97
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/49107257586.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49107257586_306cd986df_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) 97 / 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) 110
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/54202331831.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54202331831_6ef3161b2c_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 110 / 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) 80
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/49093387392.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49093387392_69745e6819_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) 80 / 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) 104
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/49107447447.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49107447447_ddd4897b70_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) 104 / James St. John</span>

サイズ変更など

Shinarump Conglomerate (Upper Triassic; just south of Split Mountain, Dinosaur National Monument, Utah, 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/48811245536.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48811245536_e1a8ce8483_m.jpg" alt="" /></a><br />Shinarump Conglomerate (Upper Triassic; just south of Split Mountain, Dinosaur National Monument, Utah, USA) 1 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 29
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/50153941036.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153941036_cc416981e1_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 29 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 35
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/50153937011.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153937011_3285df20b3_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 35 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 67
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/50163361381.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50163361381_d8f9a466a5_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 67 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 40
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/50153933301.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153933301_75e2a7b385_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 40 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, 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/50153420648.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153420648_c8f17a28d5_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 46 / 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) 104
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/54202331656.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54202331656_9231534363_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 104 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 32
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/50153939141.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50153939141_93dcd92626_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 32 / 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) 122
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/54203994870.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54203994870_da2f5a9b6e_m.jpg" alt="" /></a><br />Sequoia affinis (fossil giant redwood tree trunk) (Florissant Formation, Upper Eocene; Florissant Fossil Beds National Monument, Colorado, USA) 122 / James St. John</span>

サイズ変更など

Shinarump Conglomerate (Upper Triassic; Dinosaur National Monument, Utah, 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/48815429023.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48815429023_6354182d13_m.jpg" alt="" /></a><br />Shinarump Conglomerate (Upper Triassic; Dinosaur National Monument, Utah, USA) 1 / James St. John</span>

サイズ変更など

Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 59
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/50162831228.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50162831228_eaf7e6b393_m.jpg" alt="" /></a><br />Fossil wood (Morrison Formation, Upper Jurassic; Escalante Petrified Forest State Park, Utah, USA) 59 / James St. John</span>

サイズ変更など

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