clasts

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Quartz-pebble conglomerate ("Sharon" Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, 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/36873478883.html" target="_blank"><img src="http://farm5.static.flickr.com/4514/36873478883_d27d1ebb4e_m.jpg" alt="" /></a><br />Quartz-pebble conglomerate ("Sharon" Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 10 / James St. John</span>

サイズ変更など

Clasts of siliciclastic sedimentary rock in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, 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/37695424216.html" target="_blank"><img src="http://farm5.static.flickr.com/4501/37695424216_b1fbf3c2ac_m.jpg" alt="" /></a><br />Clasts of siliciclastic sedimentary rock in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 5 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 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/46969088094.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46969088094_343105c0e8_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 67 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 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/33881166958.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33881166958_7321274d14_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 60 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 74
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/46969122964.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46969122964_908efbd840_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 74 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 78
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/46969169314.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46969169314_cf5e8b5b62_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 78 / James St. John</span>

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Mesa Gravels (Pleistocene; Red Rock Canyon Open Space, Colorado Springs, Colorado, 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/49280397848.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49280397848_f842c58681_m.jpg" alt="" /></a><br />Mesa Gravels (Pleistocene; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 1 / James St. John</span>

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Pinkish-reddish porphyritic dacite (Upper Pleistocene, 27 ka; Devastated Area, Lassen Volcano National Park, California, 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/23712775298.html" target="_blank"><img src="http://farm5.static.flickr.com/4454/23712775298_0ec86789c8_m.jpg" alt="" /></a><br />Pinkish-reddish porphyritic dacite (Upper Pleistocene, 27 ka; Devastated Area, Lassen Volcano National Park, California, USA) 7 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 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/47705503882.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47705503882_ca2125f46c_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 57 / James St. John</span>

サイズ変更など

Gouverneur Marble (Mesoproterozoic, ~1.1 Ga; Route 11 roadcut north of Antwerp, New York State, 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/49895361183.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49895361183_7ffee275f1_m.jpg" alt="" /></a><br />Gouverneur Marble (Mesoproterozoic, ~1.1 Ga; Route 11 roadcut north of Antwerp, New York State, USA) 14 / James St. John</span>

サイズ変更など

Pleistocene terrace alluvium gravel atop Lower Jurassic Navajo Sandstone (north of Bootlegger Canyon, Utah, 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/52496155994.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52496155994_1798934f0b_m.jpg" alt="" /></a><br />Pleistocene terrace alluvium gravel atop Lower Jurassic Navajo Sandstone (north of Bootlegger Canyon, Utah, USA) 9 / James St. John</span>

サイズ変更など

Spokane Sapphire Mine (near Helena, Montana, 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/51356447831.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51356447831_d41acc4e7c_m.jpg" alt="" /></a><br />Spokane Sapphire Mine (near Helena, Montana, USA) 10 / James St. John</span>

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Breccia-filled dissolution pit (Sandy Point Northeast roadcut, San Salvador Island, Bahamas) 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/16282660237.html" target="_blank"><img src="http://farm8.static.flickr.com/7390/16282660237_9bf16b5b02_m.jpg" alt="" /></a><br />Breccia-filled dissolution pit (Sandy Point Northeast roadcut, San Salvador Island, Bahamas) 4 / James St. John</span>

サイズ変更など

Spokane Sapphire Mine (near Helena, Montana, 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/51356674233.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51356674233_5d8f13cb38_m.jpg" alt="" /></a><br />Spokane Sapphire Mine (near Helena, Montana, USA) 11 / James St. John</span>

サイズ変更など

Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/32766158687.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32766158687_599de118fe_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 57 / James St. John</span>

サイズ変更など

Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/47709294941.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47709294941_ab7f0338f4_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 32 / James St. John</span>

サイズ変更など

Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/47656244102.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47656244102_fb34a4ca85_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 11 / James St. John</span>

サイズ変更など

Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, 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/40742819313.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40742819313_beb4582343_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 14 / James St. John</span>

サイズ変更など

Yooperlite (sodalite syenite) (Lake Superior shoreline, Upper Peninsula of Michigan, 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/52949343843.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52949343843_9e5eb9123f_m.jpg" alt="" /></a><br />Yooperlite (sodalite syenite) (Lake Superior shoreline, Upper Peninsula of Michigan, USA) 6 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 47
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/47705409072.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47705409072_867194cc0e_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 47 / James St. John</span>

サイズ変更など

Quartzite & pebbly quartzite with jasper (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/47709081471.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47709081471_dcfe36499b_m.jpg" alt="" /></a><br />Quartzite & pebbly quartzite with jasper (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 5 / James St. John</span>

サイズ変更など

Tholeiitic basalt dike & peperite (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of 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/47819826122.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47819826122_cd9fe7e8f5_m.jpg" alt="" /></a><br />Tholeiitic basalt dike & peperite (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 6 / James St. John</span>

サイズ変更など

Tillite (Elatina Formation, Neoproterozoic; Enorama Creek section, Flinders Ranges, South Australia) 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/50813115156.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50813115156_8719632b28_m.jpg" alt="" /></a><br />Tillite (Elatina Formation, Neoproterozoic; Enorama Creek section, Flinders Ranges, South Australia) 18 / James St. John</span>

サイズ変更など

Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/32766290937.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32766290937_466f783bc9_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 62 / James St. John</span>

サイズ変更など

Glacial till (Centerburg Till, Upper Pleistocene, 14-18 ka; Hendren Century Farms # 2 wellsite, Johnstown, Ohio, 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/30728651853.html" target="_blank"><img src="http://farm1.static.flickr.com/60/30728651853_77da4b8e71_m.jpg" alt="" /></a><br />Glacial till (Centerburg Till, Upper Pleistocene, 14-18 ka; Hendren Century Farms # 2 wellsite, Johnstown, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Impact breccia (Lake Paasselkä area, Finland) 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/50622874166.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50622874166_1e7ba14abd_m.jpg" alt="" /></a><br />Impact breccia (Lake Paasselkä area, Finland) 4 / James St. John</span>

サイズ変更など

Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, 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/33831851448.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33831851448_3ac2d85385_m.jpg" alt="" /></a><br />Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 31 / James St. John</span>

サイズ変更など

Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 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/46969151244.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46969151244_6234e1346d_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 80 / James St. John</span>

サイズ変更など

Lamprophyre with xenolith (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 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/48312608946.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48312608946_66c53446a2_m.jpg" alt="" /></a><br />Lamprophyre with xenolith (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 109 / James St. John</span>

サイズ変更など

Alluvial polymict conglomerate (Mount Rogers Formation, Neoproterozoic, 750-760 Ma; Fox Creek roadcut, west of Troutdale, Virginia, 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/30200610980.html" target="_blank"><img src="http://farm6.static.flickr.com/5632/30200610980_3878d429b9_m.jpg" alt="" /></a><br />Alluvial polymict conglomerate (Mount Rogers Formation, Neoproterozoic, 750-760 Ma; Fox Creek roadcut, west of Troutdale, Virginia, USA) 111 / James St. John</span>

サイズ変更など

Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 53
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/47656486932.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47656486932_ae1ae082f7_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 53 / James St. John</span>

サイズ変更など

Adams Brook (near East Dover, Green Mountains, Vermont, 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/49439052342.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49439052342_29776c8081_m.jpg" alt="" /></a><br />Adams Brook (near East Dover, Green Mountains, Vermont, USA) 7 / James St. John</span>

サイズ変更など

Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 13
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/52406587118.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52406587118_185fd801c2_m.jpg" alt="" /></a><br />Percussion marks (Sioux Quartzite, Paleoproterozoic, 1.65-1.70 Ga; Falls Park, Sioux Falls, South Dakota, USA) 13 / James St. John</span>

サイズ変更など

Slade Formation over Cowbell Member (Mississippian; Route 519 Outcrop, south of Morehead, Kentucky, USA) 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/32415428978.html" target="_blank"><img src="http://farm5.static.flickr.com/4876/32415428978_bd991c5abf_m.jpg" alt="" /></a><br />Slade Formation over Cowbell Member (Mississippian; Route 519 Outcrop, south of Morehead, Kentucky, USA) 8 / James St. John</span>

サイズ変更など

Tholeiitic basalt dike & peperite (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, 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/47819844462.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47819844462_204e9bd475_m.jpg" alt="" /></a><br />Tholeiitic basalt dike & peperite (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 4 / James St. John</span>

サイズ変更など

Fluvial gravel (Pleistocene; Spokane Sapphire Mine, Montana, 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/51360385846.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51360385846_82b9af5614_m.jpg" alt="" /></a><br />Fluvial gravel (Pleistocene; Spokane Sapphire Mine, Montana, USA) 18 / James St. John</span>

サイズ変更など

Vetulonaia sp. (fossil clams) in pebbly sandstone (Morrison Formation, Upper Jurassic; Carnegie Quarry, 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/48771776212.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48771776212_f0177f9bfe_m.jpg" alt="" /></a><br />Vetulonaia sp. (fossil clams) in pebbly sandstone (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 2 / James St. John</span>

サイズ変更など

Glacial till (Upper Pleistocene; VanWinkle Unit # 1 wellsite, Granville, Ohio, 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/26687392348.html" target="_blank"><img src="http://farm5.static.flickr.com/4617/26687392348_f35b1fe7c3_m.jpg" alt="" /></a><br />Glacial till (Upper Pleistocene; VanWinkle Unit # 1 wellsite, Granville, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Dolostone breccia with brown fluorite (Lockport Dolomite, Middle Silurian; quarry in Ottawa County, Ohio, 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/52081181843.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52081181843_a54a5ed153_m.jpg" alt="" /></a><br />Dolostone breccia with brown fluorite (Lockport Dolomite, Middle Silurian; quarry in Ottawa County, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Clinker (Sentinel Butte Formation, Upper Paleocene; Coal Vein Trail, Roosevelt National Park, Little Missouri Badlands, North Dakota, 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/52079975207.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52079975207_86b3dfcf66_m.jpg" alt="" /></a><br />Clinker (Sentinel Butte Formation, Upper Paleocene; Coal Vein Trail, Roosevelt National Park, Little Missouri Badlands, North Dakota, USA) 18 / James St. John</span>

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Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/33831875138.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33831875138_808c59d66d_m.jpg" alt="" /></a><br />Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 26 / James St. John</span>

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Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, 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/33979609788.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33979609788_ec921d75b5_m.jpg" alt="" /></a><br />Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 14 / James St. John</span>

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Lamprophyre with xenolith (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 28
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/48296800187.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48296800187_e89d67c36d_m.jpg" alt="" /></a><br />Lamprophyre with xenolith (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 28 / James St. John</span>

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Clast of siliciclastic sedimentary rock in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, 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/37034583584.html" target="_blank"><img src="http://farm5.static.flickr.com/4496/37034583584_f33cc866f0_m.jpg" alt="" /></a><br />Clast of siliciclastic sedimentary rock in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 2 / James St. John</span>

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Alluvial polymict conglomerate (Mount Rogers Formation, Neoproterozoic, 750-760 Ma; Fox Creek roadcut, west of Troutdale, Virginia, USA) 64
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/29867326013.html" target="_blank"><img src="http://farm9.static.flickr.com/8575/29867326013_8a1f5e3bb2_m.jpg" alt="" /></a><br />Alluvial polymict conglomerate (Mount Rogers Formation, Neoproterozoic, 750-760 Ma; Fox Creek roadcut, west of Troutdale, Virginia, USA) 64 / James St. John</span>

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Vetulonaia sp. (fossil clams) in pebbly sandstone (Morrison Formation, Upper Jurassic; Carnegie Quarry, 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/48771226963.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48771226963_924879393a_m.jpg" alt="" /></a><br />Vetulonaia sp. (fossil clams) in pebbly sandstone (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 1 / James St. John</span>

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Sandstone (Upper Triassic; Jordan Lake, North Carolina, 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/51365513604.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51365513604_8812bd8d42_m.jpg" alt="" /></a><br />Sandstone (Upper Triassic; Jordan Lake, North Carolina, USA) 1 / James St. John</span>

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Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 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/33881174488.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33881174488_8aaa75f2a0_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 59 / James St. John</span>

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Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 72
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/33881340828.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33881340828_124c5bff9d_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 72 / James St. John</span>

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Impact breccia (Middle Ordovician; Hummeln Impact Structure, Sweden) 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/50903890517.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50903890517_584e51fe61_m.jpg" alt="" /></a><br />Impact breccia (Middle Ordovician; Hummeln Impact Structure, Sweden) 5 / James St. John</span>

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Quartzite & pebbly quartzite with jasper (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, 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/32766070897.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32766070897_f1c226373e_m.jpg" alt="" /></a><br />Quartzite & pebbly quartzite with jasper (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 6 / James St. John</span>

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Cobble with cemented pebbles-granules-sand from a lithic conglomerate (Quaternary; Rt. 715 roadcut, just east of the Knox County-Coshocton County line, Ohio, 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/33082010235.html" target="_blank"><img src="http://farm3.static.flickr.com/2897/33082010235_a54b8b8ee9_m.jpg" alt="" /></a><br />Cobble with cemented pebbles-granules-sand from a lithic conglomerate (Quaternary; Rt. 715 roadcut, just east of the Knox County-Coshocton County line, Ohio, USA) 4 / James St. John</span>

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Lamprophyre with xenolith (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 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/48312566411.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48312566411_72cf64923f_m.jpg" alt="" /></a><br />Lamprophyre with xenolith (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 115 / James St. John</span>

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Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 66
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/47705672272.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47705672272_aed494516f_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 66 / James St. John</span>

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Sandstone injectite (Tava Sandstone, Neoproterozoic; southwest of Woodland Park, 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/49336963003.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49336963003_4fbae66425_m.jpg" alt="" /></a><br />Sandstone injectite (Tava Sandstone, Neoproterozoic; southwest of Woodland Park, Colorado, USA) 12 / James St. John</span>

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Volcanic debris flow deposit (upper Holocene, May 1915; Devastated Area, Lassen Volcano National Park, California, 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/36869772214.html" target="_blank"><img src="http://farm5.static.flickr.com/4458/36869772214_4dce48454e_m.jpg" alt="" /></a><br />Volcanic debris flow deposit (upper Holocene, May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 3 / James St. John</span>

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Glacial till (Centerburg Till, Upper Pleistocene, 14-18 ka; Hendren Century Farms # 2 wellsite, Johnstown, Ohio, 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/30728624623.html" target="_blank"><img src="http://farm1.static.flickr.com/214/30728624623_c30c2a3084_m.jpg" alt="" /></a><br />Glacial till (Centerburg Till, Upper Pleistocene, 14-18 ka; Hendren Century Farms # 2 wellsite, Johnstown, Ohio, USA) 4 / James St. John</span>

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Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/46793086455.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/46793086455_c4a1421f58_m.jpg" alt="" /></a><br />Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 30 / James St. John</span>

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Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/47656144202.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47656144202_8c0e127699_m.jpg" alt="" /></a><br />Jasper pebbles in quartzite (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 33 / James St. John</span>

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Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 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/40743212423.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40743212423_5ecb0c00a2_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 60 / James St. John</span>

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