pyroxene

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詳しくはクリエイティブ・コモンズ・ライセンスの利用についてをご覧ください。

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 43
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/47728818831.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47728818831_870d2b1e1b_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 43 / James St. John</span>

サイズ変更など

Giants Range Batholith (Neoarchean, 2.674-2.682 Ga; Confusion Hill roadcut, just north of Virginia, Minnesota, 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/23371356490.html" target="_blank"><img src="http://farm1.static.flickr.com/612/23371356490_f4ed647405_m.jpg" alt="" /></a><br />Giants Range Batholith (Neoarchean, 2.674-2.682 Ga; Confusion Hill roadcut, just north of Virginia, Minnesota, USA) 7 / James St. John</span>

サイズ変更など

Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, 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/50960636041.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50960636041_bc8e727e3c_m.jpg" alt="" /></a><br />Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, USA) 2 / James St. John</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 42
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/33851645708.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33851645708_52154a8715_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 42 / James St. John</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 49
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/47728757441.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47728757441_ef5a3da572_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 49 / James St. John</span>

サイズ変更など

Peridotite mantle xenoliths in phonotephrite (Peridot Mesa Flow, Middle Pleistocene, 580 ka; Peridot Mesa, San Carlos Volcanic Field, Arizona, USA) 31
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/51968237191.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51968237191_31e68cb4e5_m.jpg" alt="" /></a><br />Peridotite mantle xenoliths in phonotephrite (Peridot Mesa Flow, Middle Pleistocene, 580 ka; Peridot Mesa, San Carlos Volcanic Field, Arizona, USA) 31 / James St. John</span>

サイズ変更など

Magnetite with Pyroxene
by PMEUBC

クリエイティブ・コモンズ表示-継承 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/47975588131.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47975588131_38cd81c16e_m.jpg" alt="" /></a><br />Magnetite with Pyroxene / PMEUBC</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 37
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/47675736372.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47675736372_9c75724a33_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 37 / James St. John</span>

サイズ変更など

Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 31
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/32784878547.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32784878547_d496c9e6f8_m.jpg" alt="" /></a><br />Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 31 / James St. John</span>

サイズ変更など

Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 14
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/47674680192.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47674680192_d4e2ff321e_m.jpg" alt="" /></a><br />Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 14 / James St. John</span>

サイズ変更など

Metakomatiites (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 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/46918733155.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46918733155_0afba8ca5c_m.jpg" alt="" /></a><br />Metakomatiites (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 7 / James St. John</span>

サイズ変更など

Metakomatiite lava flows (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 65
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/33955185318.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33955185318_1ea08d2a28_m.jpg" alt="" /></a><br />Metakomatiite lava flows (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 65 / James St. John</span>

サイズ変更など

Olivine gabbro (Wichita Mountains, Oklahoma, 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/52188193390.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52188193390_82d2945b1a_m.jpg" alt="" /></a><br />Olivine gabbro (Wichita Mountains, Oklahoma, USA) / James St. John</span>

サイズ変更など

Mount Scott Volcano (Crater Lake National Park, Oregon, USA) 15
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/47115315851.html" target="_blank"><img src="http://farm8.static.flickr.com/7853/47115315851_34aeb640c6_m.jpg" alt="" /></a><br />Mount Scott Volcano (Crater Lake National Park, Oregon, USA) 15 / James St. John</span>

サイズ変更など

Syenite dike in anorthosite (Whiteface Anorthosite, Mesoproterozoic, ~1155 Ma; near Franklin Falls, New York, 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/25379194974.html" target="_blank"><img src="http://farm2.static.flickr.com/1452/25379194974_4fcc2ac7ce_m.jpg" alt="" /></a><br />Syenite dike in anorthosite (Whiteface Anorthosite, Mesoproterozoic, ~1155 Ma; near Franklin Falls, New York, USA) 1 / James St. John</span>

サイズ変更など

Spinifex metakomatiite (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 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/33957106818.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33957106818_9bc1b536ee_m.jpg" alt="" /></a><br />Spinifex metakomatiite (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 50 / James St. John</span>

サイズ変更など

Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, 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/39852901893.html" target="_blank"><img src="http://farm8.static.flickr.com/7897/39852901893_eff1011abd_m.jpg" alt="" /></a><br />Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 25 / James St. John</span>

サイズ変更など

Olivine diabase (Silver Creek Cliff Sill, Proterozoic; Silver Creek Cliff, northeastern Minnesota, 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/22608173103.html" target="_blank"><img src="http://farm1.static.flickr.com/734/22608173103_a8cf6f2c41_m.jpg" alt="" /></a><br />Olivine diabase (Silver Creek Cliff Sill, Proterozoic; Silver Creek Cliff, northeastern Minnesota, USA) 4 / James St. John</span>

サイズ変更など

Yooperlite (sodalite syenite) (Lake Superior shoreline, Upper Peninsula of Michigan, 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/52948891101.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52948891101_82d04b5fc8_m.jpg" alt="" /></a><br />Yooperlite (sodalite syenite) (Lake Superior shoreline, Upper Peninsula of Michigan, USA) 5 / James St. John</span>

サイズ変更など

Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/32785412897.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32785412897_e6dced8a9b_m.jpg" alt="" /></a><br />Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 39 / James St. John</span>

サイズ変更など

Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 14
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/48680500772.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48680500772_4b459dc49e_m.jpg" alt="" /></a><br />Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 14 / James St. John</span>

サイズ変更など

Ordinary chondrite (Viñales Meteorite) 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/50438628383.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50438628383_b6b7735ae1_m.jpg" alt="" /></a><br />Ordinary chondrite (Viñales Meteorite) 6 / James St. John</span>

サイズ変更など

Green jadeitite Chinese incense burner (Qing period, 1644-1911) 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/49167534457.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49167534457_2e42ea210c_m.jpg" alt="" /></a><br />Green jadeitite Chinese incense burner (Qing period, 1644-1911) 1 / James St. John</span>

サイズ変更など

Vesicular basalt (Quaternary; Snake River Plain, Idaho, 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/52681281680.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52681281680_1d6c6777de_m.jpg" alt="" /></a><br />Vesicular basalt (Quaternary; Snake River Plain, Idaho, USA) 2 / James St. John</span>

サイズ変更など

Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/40762193163.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40762193163_d1bcbcb53f_m.jpg" alt="" /></a><br />Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 40 / James St. John</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/40762149473.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40762149473_a496c297db_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 45 / James St. John</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 48
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/46812120635.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46812120635_3b687d4c47_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 48 / James St. John</span>

サイズ変更など

Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 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/48679985878.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48679985878_430db96cd1_m.jpg" alt="" /></a><br />Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 10 / James St. John</span>

サイズ変更など

Ordinary chondrite (Viñales Meteorite) 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/50438628528.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50438628528_d85cbc21fa_m.jpg" alt="" /></a><br />Ordinary chondrite (Viñales Meteorite) 8 / James St. John</span>

サイズ変更など

Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, 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/50959934698.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50959934698_88dd8fb279_m.jpg" alt="" /></a><br />Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, USA) 9 / James St. John</span>

サイズ変更など

Olivine diabase (Silver Creek Cliff Sill, Proterozoic; Silver Creek Cliff, northeastern Minnesota, 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/22939484610.html" target="_blank"><img src="http://farm6.static.flickr.com/5819/22939484610_4b02e30ebf_m.jpg" alt="" /></a><br />Olivine diabase (Silver Creek Cliff Sill, Proterozoic; Silver Creek Cliff, northeastern Minnesota, USA) 1 / James St. John</span>

サイズ変更など

Narrows Basalt (Lower Pleistocene, 1.5-1.6 Ma) (Narrows of the Yellowstone River, northeastern 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/19510561513.html" target="_blank"><img src="http://farm1.static.flickr.com/396/19510561513_fc25e95eab_m.jpg" alt="" /></a><br />Narrows Basalt (Lower Pleistocene, 1.5-1.6 Ma) (Narrows of the Yellowstone River, northeastern Yellowstone National Park, Wyoming, USA) 5 / James St. John</span>

サイズ変更など

Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 15
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/48680331856.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48680331856_d2aae8d24e_m.jpg" alt="" /></a><br />Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 15 / James St. John</span>

サイズ変更など

Giants Range Batholith (Neoarchean, 2.674-2.682 Ga; Confusion Hill roadcut, just north of Virginia, Minnesota, USA) 15
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/23371298660.html" target="_blank"><img src="http://farm6.static.flickr.com/5627/23371298660_fdd09fe505_m.jpg" alt="" /></a><br />Giants Range Batholith (Neoarchean, 2.674-2.682 Ga; Confusion Hill roadcut, just north of Virginia, Minnesota, USA) 15 / James St. John</span>

サイズ変更など

Gabbroic anorthosite to anorthositic gabbro (anorthosite series, Duluth Complex, Mesoproterozoic, 1099 Ma; Merritt Creek West Skyline Parkway roadcut, Duluth, Minnesota, 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/21640921523.html" target="_blank"><img src="http://farm1.static.flickr.com/747/21640921523_47b00288cf_m.jpg" alt="" /></a><br />Gabbroic anorthosite to anorthositic gabbro (anorthosite series, Duluth Complex, Mesoproterozoic, 1099 Ma; Merritt Creek West Skyline Parkway roadcut, Duluth, Minnesota, USA) 11 / James St. John</span>

サイズ変更など

Olivine diabase (Silver Creek Cliff Sill, Proterozoic; Silver Creek Cliff Tunnel, northeastern Minnesota, 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/22606375854.html" target="_blank"><img src="http://farm6.static.flickr.com/5722/22606375854_c555bc0bdf_m.jpg" alt="" /></a><br />Olivine diabase (Silver Creek Cliff Sill, Proterozoic; Silver Creek Cliff Tunnel, northeastern Minnesota, USA) 4 / James St. John</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/47675607142.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47675607142_dc107d344c_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 35 / James St. John</span>

サイズ変更など

Diabase (Somerville, Massachusetts, 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/52152788884.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52152788884_09092e590f_m.jpg" alt="" /></a><br />Diabase (Somerville, Massachusetts, USA) 3 / James St. John</span>

サイズ変更など

Retrograde eclogite (Late Jurassic, ~155 to 158 Ma; outcrop above eastern side of Rt. 1, just north of Jenner, western-coastal California, 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/15289466623.html" target="_blank"><img src="http://farm8.static.flickr.com/7510/15289466623_6a45638bfb_m.jpg" alt="" /></a><br />Retrograde eclogite (Late Jurassic, ~155 to 158 Ma; outcrop above eastern side of Rt. 1, just north of Jenner, western-coastal California, USA) / James St. John</span>

サイズ変更など

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/32784387347.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32784387347_42fcdf7027_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 8 / James St. John</span>

サイズ変更など

Pumiceous orendite lamproite (Pleistocene, 1.30-1.37 Ma; Black Rock volcanic center, Leucite Hills, Wyoming, USA) 14
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/48981370771.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48981370771_148248a1f2_m.jpg" alt="" /></a><br />Pumiceous orendite lamproite (Pleistocene, 1.30-1.37 Ma; Black Rock volcanic center, Leucite Hills, Wyoming, USA) 14 / James St. John</span>

サイズ変更など

Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 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/31876683447.html" target="_blank"><img src="http://farm5.static.flickr.com/4890/31876683447_b382ee6038_m.jpg" alt="" /></a><br />Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 10 / James St. John</span>

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Partially devitrified rhyolitic obsidian (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 14
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/31867513117.html" target="_blank"><img src="http://farm5.static.flickr.com/4885/31867513117_76f44cc17a_m.jpg" alt="" /></a><br />Partially devitrified rhyolitic obsidian (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 14 / James St. John</span>

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Vesicular metakomatiite (serpentinized) (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.717 Ga; west-southwest of the Potter Mine, east of Timmins, Ontario, Canada) 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/47097554734.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47097554734_ff64db846b_m.jpg" alt="" /></a><br />Vesicular metakomatiite (serpentinized) (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.717 Ga; west-southwest of the Potter Mine, east of Timmins, Ontario, Canada) 1 / James St. John</span>

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Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/33851687888.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33851687888_5b567e1957_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 36 / James St. John</span>

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Giants Range Batholith (Neoarchean, 2.674-2.682 Ga; Confusion Hill roadcut, just north of Virginia, Minnesota, 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/23666944875.html" target="_blank"><img src="http://farm1.static.flickr.com/674/23666944875_1856875d48_m.jpg" alt="" /></a><br />Giants Range Batholith (Neoarchean, 2.674-2.682 Ga; Confusion Hill roadcut, just north of Virginia, Minnesota, USA) 20 / James St. John</span>

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Ordinary chondrite (New Concord Meteorite) 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/32590097997.html" target="_blank"><img src="http://farm8.static.flickr.com/7827/32590097997_eb7e438c37_m.jpg" alt="" /></a><br />Ordinary chondrite (New Concord Meteorite) 4 / James St. John</span>

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Gabbroic anorthosite to anorthositic gabbro (anorthosite series, Duluth Complex, Mesoproterozoic, 1099 Ma; Merritt Creek West Skyline Parkway roadcut, Duluth, Minnesota, USA) 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/22249139582.html" target="_blank"><img src="http://farm6.static.flickr.com/5699/22249139582_94773bef6a_m.jpg" alt="" /></a><br />Gabbroic anorthosite to anorthositic gabbro (anorthosite series, Duluth Complex, Mesoproterozoic, 1099 Ma; Merritt Creek West Skyline Parkway roadcut, Duluth, Minnesota, USA) 10 / James St. John</span>

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Labradorite plagioclase feldspar (Nain Anorthosite, Mesoproterozoic, 1.29-1.35 Ga; Nain, Labrador, Canada) 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/52673700990.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52673700990_312098b476_m.jpg" alt="" /></a><br />Labradorite plagioclase feldspar (Nain Anorthosite, Mesoproterozoic, 1.29-1.35 Ga; Nain, Labrador, Canada) 1 / James St. John</span>

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Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/47727819761.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47727819761_30aca14fd2_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 6 / James St. John</span>

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Diorite (Devonian; Hulls Cove, Mt. Desert Island, Maine, 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/50593018067.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50593018067_6049ed616f_m.jpg" alt="" /></a><br />Diorite (Devonian; Hulls Cove, Mt. Desert Island, Maine, USA) 5 / James St. John</span>

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Pilot Butte (Pliocene madupite lamproite volcanic center in the Leucite Hills, 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/48927760842.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48927760842_a222ba46dc_m.jpg" alt="" /></a><br />Pilot Butte (Pliocene madupite lamproite volcanic center in the Leucite Hills, Wyoming, USA) 5 / James St. John</span>

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Calc-silicate rocks & reaction rim with metabentonite (Gouverneur Marble, Mesoproterozoic, ~1.1 Ga; Route 11 roadcut southwest of Canton, New York State, 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/49908508553.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49908508553_6960fb88d8_m.jpg" alt="" /></a><br />Calc-silicate rocks & reaction rim with metabentonite (Gouverneur Marble, Mesoproterozoic, ~1.1 Ga; Route 11 roadcut southwest of Canton, New York State, USA) 3 / James St. John</span>

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Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 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/47819995782.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47819995782_cda5c3c480_m.jpg" alt="" /></a><br />Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 1 / James St. John</span>

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Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, 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/51021578036.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51021578036_c31d792e8f_m.jpg" alt="" /></a><br />Volcanic breccia (Upper Oligocene, 25 Ma; Narbona Pass Maar Volcano, near the summit of the Chuska Mountains, Navajo Volcanic Field, New Mexico, USA) 18 / James St. John</span>

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Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/47728866801.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47728866801_ca9aca7a16_m.jpg" alt="" /></a><br />Dike intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 38 / James St. John</span>

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Spinifex metakomatiite (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 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/46911110915.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46911110915_8305cbb2a8_m.jpg" alt="" /></a><br />Spinifex metakomatiite (Upper Komatiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; Pyke Hill, near the Potter Mine, east of Timmins, Ontario, Canada) 6 / James St. John</span>

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Black Rock (Pleistocene olivine orendite lamproite volcanic center in the Leucite Hills, 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/48966798771.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48966798771_6973fe12d1_m.jpg" alt="" /></a><br />Black Rock (Pleistocene olivine orendite lamproite volcanic center in the Leucite Hills, Wyoming, USA) 25 / James St. John</span>

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Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/47674753572.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47674753572_800c244326_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 4 / James St. John</span>

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Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 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/46811708115.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46811708115_cf35861ffa_m.jpg" alt="" /></a><br />Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 29 / James St. John</span>

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