clasts

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Odessa Breccia (Upper Pleistocene, 64 ka; Odessa Impact Crater, Texas, USA) 11
by James St. John

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49660300532.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49660300532_7244e33314_m.jpg" alt="" /></a><br />Odessa Breccia (Upper Pleistocene, 64 ka; Odessa Impact Crater, Texas, USA) 11 / James St. John</span>

サイズ変更など

Kimberlite (Bellsbank Kimberlite, Early Cretaceous, 118 Ma; Bellsbank Mines, near Mount Rupert, north of Kimberley, South Africa) 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/50735156428.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50735156428_166993c87e_m.jpg" alt="" /></a><br />Kimberlite (Bellsbank Kimberlite, Early Cretaceous, 118 Ma; Bellsbank Mines, near Mount Rupert, north of Kimberley, South Africa) 2 / James St. John</span>

サイズ変更など

Gravel dredging machine (St. Louisville gravel pits, Licking 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/45388094844.html" target="_blank"><img src="http://farm5.static.flickr.com/4842/45388094844_405b886a1b_m.jpg" alt="" /></a><br />Gravel dredging machine (St. Louisville gravel pits, Licking County, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Composite ironstone concretion (gravel bar clast, Chatham, 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/40359493525.html" target="_blank"><img src="http://farm1.static.flickr.com/885/40359493525_ac5d0be7ec_m.jpg" alt="" /></a><br />Composite ironstone concretion (gravel bar clast, Chatham, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 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/46309741831.html" target="_blank"><img src="http://farm5.static.flickr.com/4874/46309741831_4d5d3b8356_m.jpg" alt="" /></a><br />Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 78 / James St. John</span>

サイズ変更など

Brecciated flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, 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/33046998991.html" target="_blank"><img src="http://farm3.static.flickr.com/2896/33046998991_cb686bbdd3_m.jpg" alt="" /></a><br />Brecciated flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 9 / James St. John</span>

サイズ変更など

Marinace Red Granite (polymict metaconglomerate, Precambrian; Brazil) 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/33987704575.html" target="_blank"><img src="http://farm3.static.flickr.com/2835/33987704575_74aa7e45db_m.jpg" alt="" /></a><br />Marinace Red Granite (polymict metaconglomerate, Precambrian; Brazil) 2 / James St. John</span>

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Volcanic bombs in 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) 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/40899315083.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40899315083_e882806764_m.jpg" alt="" /></a><br />Volcanic bombs in 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) 2 / James St. John</span>

サイズ変更など

Volcanic debris flow deposit (upper Holocene, May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 45
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/36876518304.html" target="_blank"><img src="http://farm5.static.flickr.com/4451/36876518304_29422e22a1_m.jpg" alt="" /></a><br />Volcanic debris flow deposit (upper Holocene, May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 45 / James St. John</span>

サイズ変更など

Mount Scott Volcano (Crater Lake National Park, Oregon, 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/28156752728.html" target="_blank"><img src="http://farm1.static.flickr.com/967/28156752728_8e243c1b2f_m.jpg" alt="" /></a><br />Mount Scott Volcano (Crater Lake National Park, Oregon, USA) 3 / 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) 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/37695424626.html" target="_blank"><img src="http://farm5.static.flickr.com/4457/37695424626_5d199b6850_m.jpg" alt="" /></a><br />Clast of siliciclastic sedimentary rock in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 3 / 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) 41
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/40773275203.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40773275203_6163f11336_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 41 / James St. John</span>

サイズ変更など

Rip up clasts
by Kyle Hartshorn

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/14030974947.html" target="_blank"><img src="http://farm6.static.flickr.com/5071/14030974947_df00c54185_m.jpg" alt="" /></a><br />Rip up clasts / Kyle Hartshorn</span>

サイズ変更など

Mount Scott Volcano (Crater Lake National Park, Oregon, 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/40222339850.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40222339850_bdec018e3b_m.jpg" alt="" /></a><br />Mount Scott Volcano (Crater Lake National Park, Oregon, USA) 1 / James St. John</span>

サイズ変更など

Howardite (North West Africa 11899 Meteorite) 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/52776361938.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52776361938_59ed620ccd_m.jpg" alt="" /></a><br />Howardite (North West Africa 11899 Meteorite) 7 / James St. John</span>

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Sandstone (Upper Triassic; Jordan Lake, North Carolina, 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/51365826035.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51365826035_b1c2e12dfc_m.jpg" alt="" /></a><br />Sandstone (Upper Triassic; Jordan Lake, North Carolina, USA) 24 / James St. John</span>

サイズ変更など

Ironstone pebbles in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, 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/37676773766.html" target="_blank"><img src="http://farm5.static.flickr.com/4445/37676773766_14be7743f9_m.jpg" alt="" /></a><br />Ironstone pebbles in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Sorted gravel pile from Pleistocene glacial outwash (St. Louisville gravel pits, Licking County, Ohio, 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/45585869144.html" target="_blank"><img src="http://farm5.static.flickr.com/4880/45585869144_510ef96fb8_m.jpg" alt="" /></a><br />Sorted gravel pile from Pleistocene glacial outwash (St. Louisville gravel pits, Licking County, Ohio, USA) 35 / 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) 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/47709157001.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47709157001_1d9b2585e3_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 1 / James St. John</span>

サイズ変更など

Clast-rich mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 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/47673987242.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47673987242_3cde5dcb28_m.jpg" alt="" /></a><br />Clast-rich mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 12 / James St. John</span>

サイズ変更など

Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 33
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/45388346064.html" target="_blank"><img src="http://farm5.static.flickr.com/4825/45388346064_94e336b623_m.jpg" alt="" /></a><br />Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 33 / James St. John</span>

サイズ変更など

Ironstone pebbles 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/37015431044.html" target="_blank"><img src="http://farm5.static.flickr.com/4499/37015431044_1e9caa7752_m.jpg" alt="" /></a><br />Ironstone pebbles in quartz-pebble conglomerate (Sharon Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Flint breccia-floored cavity in pinstriple flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, 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/28004701018.html" target="_blank"><img src="http://farm1.static.flickr.com/946/28004701018_1be0cfc6c0_m.jpg" alt="" /></a><br />Flint breccia-floored cavity in pinstriple flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Black porphyritic dacite (upper Holocene, 14 May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 30
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/36906543293.html" target="_blank"><img src="http://farm5.static.flickr.com/4513/36906543293_b3d8f2b322_m.jpg" alt="" /></a><br />Black porphyritic dacite (upper Holocene, 14 May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 30 / James St. John</span>

サイズ変更など

Soft-sediment deformation (shoreline clast at Big Gully, Kangaroo Island, offshore South Australia) 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/52284596205.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52284596205_21aa38cc29_m.jpg" alt="" /></a><br />Soft-sediment deformation (shoreline clast at Big Gully, Kangaroo Island, offshore South Australia) 1 / James St. John</span>

サイズ変更など

Brecciated flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, 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/33018119572.html" target="_blank"><img src="http://farm4.static.flickr.com/3785/33018119572_4fe81a35db_m.jpg" alt="" /></a><br />Brecciated flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Agglutinated volcanic bomb in 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) 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/40896342113.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40896342113_fd1bd2853b_m.jpg" alt="" /></a><br />Agglutinated volcanic bomb in 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) 1 / James St. John</span>

サイズ変更など

Oolitic ironstone (Brassfield Formation, Lower Silurian; Ohio Brush Creek roadcut, southern 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/36597994552.html" target="_blank"><img src="http://farm5.static.flickr.com/4358/36597994552_f739e6319f_m.jpg" alt="" /></a><br />Oolitic ironstone (Brassfield Formation, Lower Silurian; Ohio Brush Creek roadcut, southern Ohio, USA) 1 / 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) 17
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51020849818.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51020849818_9ffbc65369_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) 17 / James St. John</span>

サイズ変更など

Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, 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/45397131415.html" target="_blank"><img src="http://farm5.static.flickr.com/4881/45397131415_8d8e8386b4_m.jpg" alt="" /></a><br />Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 67 / James St. John</span>

サイズ変更など

Volcanic debris flow deposit (upper Holocene, May 1915; Devastated Area, Lassen Volcano National Park, California, 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/36870746544.html" target="_blank"><img src="http://farm5.static.flickr.com/4486/36870746544_619b1b1a5d_m.jpg" alt="" /></a><br />Volcanic debris flow deposit (upper Holocene, May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 11 / James St. John</span>

サイズ変更など

Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, 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/22289912628.html" target="_blank"><img src="http://farm1.static.flickr.com/719/22289912628_a01cf1a614_m.jpg" alt="" /></a><br />Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 5 / James St. John</span>

サイズ変更など

Black porphyritic dacite (upper Holocene, 14 May 1915; Devastated Area, Lassen Volcano National Park, 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/36865750904.html" target="_blank"><img src="http://farm5.static.flickr.com/4484/36865750904_9bec0c1d22_m.jpg" alt="" /></a><br />Black porphyritic dacite (upper Holocene, 14 May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 20 / James St. John</span>

サイズ変更など

Ferruginous quartz-pebble conglomerate boulder in matrix ("Sharon Conglomerate", Lower Pennsylvanian; Jackson North roadcut, 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/37054793304.html" target="_blank"><img src="http://farm5.static.flickr.com/4505/37054793304_805d9ee91b_m.jpg" alt="" /></a><br />Ferruginous quartz-pebble conglomerate boulder in matrix ("Sharon Conglomerate", Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 1 / James St. John</span>

サイズ変更など

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/32918767137.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32918767137_d0b8a20e50_m.jpg" alt="" /></a><br />Agglutinated volcanic bomb in 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) 5 / James St. John</span>

サイズ変更など

Gravel dredging machine (St. Louisville gravel pits, Licking County, Ohio, 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/32436944308.html" target="_blank"><img src="http://farm5.static.flickr.com/4832/32436944308_9b532b8fc8_m.jpg" alt="" /></a><br />Gravel dredging machine (St. Louisville gravel pits, Licking County, Ohio, 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) 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/47656524972.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47656524972_720e3d9d55_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 47 / James St. John</span>

サイズ変更など

Clast-poor mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 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/47723385691.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47723385691_39f49656d2_m.jpg" alt="" /></a><br />Clast-poor mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 3 / James St. John</span>

サイズ変更など

Clast-poor mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, 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/33845980788.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33845980788_f424e1af73_m.jpg" alt="" /></a><br />Clast-poor mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 1 / James St. John</span>

サイズ変更など

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/47810711672.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47810711672_c246ec82ec_m.jpg" alt="" /></a><br />Agglutinated volcanic bomb in 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) 4 / James St. John</span>

サイズ変更など

Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 75
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/45586505884.html" target="_blank"><img src="http://farm5.static.flickr.com/4820/45586505884_2b853e4359_m.jpg" alt="" /></a><br />Glacial outwash (Upper Pleistocene, 15-18 ka; St. Louisville gravel pits, Licking County, Ohio, USA) 75 / James St. John</span>

サイズ変更など

Lamprophyre with xenoliths (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 124
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/48312740952.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48312740952_aa825ec6b4_m.jpg" alt="" /></a><br />Lamprophyre with xenoliths (Dubreuilville Dike, Archean; Route 17 roadcut southeast of Princess Lake & north of Wawa, Ontario, Canada) 124 / James St. John</span>

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Spinifex metakomatiite (modern fluvial clast) (Raccoon Creek, Granville, 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/53870633959.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/53870633959_d9de1c6734_m.jpg" alt="" /></a><br />Spinifex metakomatiite (modern fluvial clast) (Raccoon Creek, Granville, Ohio, USA) 4 / James St. John</span>

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Ferruginous chert pebble conglomerate (Graydon Conglomerate, Lower Pennsylvanian; near Mountain Grove, Missouri, 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/51046755238.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51046755238_6ae110454b_m.jpg" alt="" /></a><br />Ferruginous chert pebble conglomerate (Graydon Conglomerate, Lower Pennsylvanian; near Mountain Grove, Missouri, USA) 2 / 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) 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/48771236183.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48771236183_bdf1bebbb6_m.jpg" alt="" /></a><br />Vetulonaia sp. (fossil clams) in pebbly sandstone (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 3 / 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) 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/47705925722.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47705925722_59589ea3ec_m.jpg" alt="" /></a><br />Clast-rich impact pseudotachylite (Sudbury Breccia, Paleoproterozoic, 1.85 Ga; Windy Lake Northwest roadcut, Sudbury Impact Structure, Ontario, Canada) 89 / 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) 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/50960740362.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50960740362_12e93b644a_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) 3 / James St. John</span>

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Clast-rich mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 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/47727074561.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47727074561_e05fb2eeb9_m.jpg" alt="" /></a><br />Clast-rich mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 9 / James St. John</span>

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Quartz sandstone pebble in conglomerate ("Sharon" Conglomerate, Lower Pennsylvanian; Jackson North roadcut, 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/37542841091.html" target="_blank"><img src="http://farm5.static.flickr.com/4459/37542841091_4b74e62da0_m.jpg" alt="" /></a><br />Quartz sandstone pebble in conglomerate ("Sharon" Conglomerate, Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 1 / James St. John</span>

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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/40896382933.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/40896382933_0a28f92b97_m.jpg" alt="" /></a><br />Agglutinated volcanic bomb in 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) 2 / James St. John</span>

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Ferruginous quartz-pebble conglomerate (boulder in "Sharon Conglomerate", Lower Pennsylvanian; Jackson North roadcut, Ohio, 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/37715582676.html" target="_blank"><img src="http://farm5.static.flickr.com/4445/37715582676_a797a8710c_m.jpg" alt="" /></a><br />Ferruginous quartz-pebble conglomerate (boulder in "Sharon Conglomerate", Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 21 / James St. John</span>

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Brecciated flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, 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/32329501814.html" target="_blank"><img src="http://farm1.static.flickr.com/765/32329501814_fbe641b664_m.jpg" alt="" /></a><br />Brecciated flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 2 / James St. John</span>

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Flint breccia-floored cavity in pinstriple flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, 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/41831169872.html" target="_blank"><img src="http://farm1.static.flickr.com/943/41831169872_fa4960d575_m.jpg" alt="" /></a><br />Flint breccia-floored cavity in pinstriple flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 2 / James St. John</span>

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Paleosol (Cave Branch Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, 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/32416456388.html" target="_blank"><img src="http://farm5.static.flickr.com/4906/32416456388_198845b095_m.jpg" alt="" /></a><br />Paleosol (Cave Branch Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, USA) 26 / James St. John</span>

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Jonathan Run (north-northwest of Fultonham, Ohio, 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/31356286888.html" target="_blank"><img src="http://farm2.static.flickr.com/1951/31356286888_1d19f49cff_m.jpg" alt="" /></a><br />Jonathan Run (north-northwest of Fultonham, Ohio, USA) 6 / James St. John</span>

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Sudbury Breccia intruding Cartier Granite (Precambrian; Crab Lake South roadcut, south-southeast of Cartier, Ontario, Canada) 17
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/33857831878.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/33857831878_60650fcb1c_m.jpg" alt="" /></a><br />Sudbury Breccia intruding Cartier Granite (Precambrian; Crab Lake South roadcut, south-southeast of Cartier, Ontario, Canada) 17 / James St. John</span>

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Sorted gravel piles from Pleistocene glacial outwash (St. Louisville gravel pits, Licking County, Ohio, 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/46309154351.html" target="_blank"><img src="http://farm5.static.flickr.com/4885/46309154351_b18346e262_m.jpg" alt="" /></a><br />Sorted gravel piles from Pleistocene glacial outwash (St. Louisville gravel pits, Licking County, Ohio, USA) 20 / 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) 70
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/32766266177.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/32766266177_b46fcd6e2f_m.jpg" alt="" /></a><br />Jasper-quartz pebble conglomerate (Lorrain Formation, Paleoproterozoic, ~2.3 Ga; Ottertail Lake Northeast roadcut, near Bruce Mines, Ontario, Canada) 70 / James St. John</span>

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Agate (shoreline of Lake Superior, Upper Peninsula of Michigan, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52353877718.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52353877718_672f32c6e4_m.jpg" alt="" /></a><br />Agate (shoreline of Lake Superior, Upper Peninsula of Michigan, USA) 2 / James St. John</span>

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Clast-rich mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 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/47674211742.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47674211742_2fba050a7c_m.jpg" alt="" /></a><br />Clast-rich mixtite (Coleman Member, Gowganda Formation, Paleoproterozoic, ~2.3 Ga; Percival Lake roadcut, Ontario, Canada) 19 / James St. John</span>

サイズ変更など

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