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Printing the past: 3-D archaeology and the first Americans
by BLM Oregon & Washington

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/32581837654.html" target="_blank"><img src="http://farm3.static.flickr.com/2837/32581837654_70eecff45c_m.jpg" alt="" /></a><br />Printing the past: 3-D archaeology and the first Americans / BLM Oregon & Washington</span>

サイズ変更など

Westerly Granite (Early Permian, 276 to 279 Ma; near Westerly, Rhode Island, 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/52677226464.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52677226464_8ed3a08962_m.jpg" alt="" /></a><br />Westerly Granite (Early Permian, 276 to 279 Ma; near Westerly, Rhode Island, USA) 14 / James St. John</span>

サイズ変更など

Porphyritic granite 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/49201102566.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49201102566_658a0b29ba_m.jpg" alt="" /></a><br />Porphyritic granite 11 / James St. John</span>

サイズ変更など

Serpentinite 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/44632851050.html" target="_blank"><img src="http://farm8.static.flickr.com/7856/44632851050_5ca6497614_m.jpg" alt="" /></a><br />Serpentinite 1 / James St. John</span>

サイズ変更など

Emeralds in pegmatitic granite 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/37992558594.html" target="_blank"><img src="http://farm5.static.flickr.com/4559/37992558594_01610c4cf6_m.jpg" alt="" /></a><br />Emeralds in pegmatitic granite 6 / James St. John</span>

サイズ変更など

Devils Tower, Wyoming
by jimbowen0306

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/19573544936.html" target="_blank"><img src="http://farm1.static.flickr.com/334/19573544936_d67959807c_m.jpg" alt="" /></a><br />Devils Tower, Wyoming / jimbowen0306</span>

サイズ変更など

Printing the past: 3-D archaeology and the first Americans
by BLM Oregon & Washington

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/33296043411.html" target="_blank"><img src="http://farm1.static.flickr.com/578/33296043411_acb33e8449_m.jpg" alt="" /></a><br />Printing the past: 3-D archaeology and the first Americans / BLM Oregon & Washington</span>

サイズ変更など

Graphic granite (Ruggles Pegmatite, Devonian; Ruggles Mine, New Hampshire, 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/48751570932.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48751570932_46c6d76bc5_m.jpg" alt="" /></a><br />Graphic granite (Ruggles Pegmatite, Devonian; Ruggles Mine, New Hampshire, USA) 2 / James St. John</span>

サイズ変更など

Almandine garnets (Late Cretaceous; Garnet Ledge, Alaska, 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/31914805843.html" target="_blank"><img src="http://farm1.static.flickr.com/649/31914805843_eb46151f0b_m.jpg" alt="" /></a><br />Almandine garnets (Late Cretaceous; Garnet Ledge, Alaska, USA) / James St. John</span>

サイズ変更など

Zircons 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/32677416715.html" target="_blank"><img src="http://farm1.static.flickr.com/426/32677416715_24ca948815_m.jpg" alt="" /></a><br />Zircons 1 / James St. John</span>

サイズ変更など

Garnet peridotite (Almklovdalen Peridotite, Precambrian; near Åheim, Norway) 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/50927349318.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50927349318_58d06144ec_m.jpg" alt="" /></a><br />Garnet peridotite (Almklovdalen Peridotite, Precambrian; near Åheim, Norway) 5 / James St. John</span>

サイズ変更など

Andesite dike in volcanic debris flow conglomerates (Absaroka Volcanics Supergroup, Eocene, 48-50 Ma; Rt. 14-Rt. 16-Rt. 20 roadcut, Shoshone National Forest, Absaroka Range, Wyoming, 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/8359833076.html" target="_blank"><img src="http://farm9.static.flickr.com/8191/8359833076_39b088b59f_m.jpg" alt="" /></a><br />Andesite dike in volcanic debris flow conglomerates (Absaroka Volcanics Supergroup, Eocene, 48-50 Ma; Rt. 14-Rt. 16-Rt. 20 roadcut, Shoshone National Forest, Absaroka Range, Wyoming, USA) 8 / James St. John</span>

サイズ変更など

Why Would Such KwaZulu-Natal Homes Get Washed Away During Flooding?
by Axel Bührmann

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52004649884.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52004649884_ff88c9a4d3_m.jpg" alt="" /></a><br />Why Would Such KwaZulu-Natal Homes Get Washed Away During Flooding? / Axel Bührmann</span>

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Marinace Green Granite (polymict metaconglomerate) (Ouricuri do Ouro Formation, Mesoproterozoic, ~1.6-1.7 Ga; Bahia, Brazil) 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/34991200525.html" target="_blank"><img src="http://farm5.static.flickr.com/4243/34991200525_885639ff26_m.jpg" alt="" /></a><br />Marinace Green Granite (polymict metaconglomerate) (Ouricuri do Ouro Formation, Mesoproterozoic, ~1.6-1.7 Ga; Bahia, Brazil) 11 / James St. John</span>

サイズ変更など

Bebedourite (Serra Negra-Salitre Complex, Late Cretaceous, 83-84 Ma; NNE of Araxa, Minas Gerais State, Brazil) 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/14817797608.html" target="_blank"><img src="http://farm6.static.flickr.com/5552/14817797608_64033a082c_m.jpg" alt="" /></a><br />Bebedourite (Serra Negra-Salitre Complex, Late Cretaceous, 83-84 Ma; NNE of Araxa, Minas Gerais State, Brazil) 1 / James St. John</span>

サイズ変更など

Rock salt (Windsor Group, Upper Mississippian; Seleine Mine, Madeleine Islands, Quebec, 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/52308807851.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52308807851_be78c4c911_m.jpg" alt="" /></a><br />Rock salt (Windsor Group, Upper Mississippian; Seleine Mine, Madeleine Islands, Quebec, Canada) 7 / James St. John</span>

サイズ変更など

Glacially eroded & striated columnar-jointed trachybasalt (Postpile Flow, Upper Pleistocene, 82 ka; Devils Postpile National Monument, California, USA) 21
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52331624182.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52331624182_75ec420597_m.jpg" alt="" /></a><br />Glacially eroded & striated columnar-jointed trachybasalt (Postpile Flow, Upper Pleistocene, 82 ka; Devils Postpile National Monument, California, USA) 21 / James St. John</span>

サイズ変更など

Skarn (Russia) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49601277768.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49601277768_79c7398efa_m.jpg" alt="" /></a><br />Skarn (Russia) 2 / James St. John</span>

サイズ変更など

Inch-scale layering of plagioclase feldspar and pyroxene (Stillwater Complex, Neoarchean, 2.71 Ga; near the Stillwater Mine, Beartooth Mountains, Montana, USA) 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/52364515857.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52364515857_2b0643cb96_m.jpg" alt="" /></a><br />Inch-scale layering of plagioclase feldspar and pyroxene (Stillwater Complex, Neoarchean, 2.71 Ga; near the Stillwater Mine, Beartooth Mountains, Montana, USA) 47 / James St. John</span>

サイズ変更など

Corundite (emery rock) (Naxos Emery Deposits, metamorphism in the Eocene & Miocene, 40-50 Ma & 16-20; Naxos Island, Aegean Sea) 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/15068443592.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/15068443592_96297c42a2_m.jpg" alt="" /></a><br />Corundite (emery rock) (Naxos Emery Deposits, metamorphism in the Eocene & Miocene, 40-50 Ma & 16-20; Naxos Island, Aegean Sea) 2 / James St. John</span>

サイズ変更など

Anorthosite with labradorite (Wiborg Batholith, 1633 Ma; Kymi Province, Finland) 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/50420537592.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50420537592_798a4a8459_m.jpg" alt="" /></a><br />Anorthosite with labradorite (Wiborg Batholith, 1633 Ma; Kymi Province, Finland) 13 / James St. John</span>

サイズ変更など

Fluorite (mine near Cave-in-Rock, Illinois, 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/34174729530.html" target="_blank"><img src="http://farm5.static.flickr.com/4192/34174729530_edf1696f9b_m.jpg" alt="" /></a><br />Fluorite (mine near Cave-in-Rock, Illinois, USA) 6 / James St. John</span>

サイズ変更など

Labradorite (Wiborg Batholith, 1633 Ma; Kymi Province, Finland) 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/50424377958.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50424377958_08bd02245b_m.jpg" alt="" /></a><br />Labradorite (Wiborg Batholith, 1633 Ma; Kymi Province, Finland) 1 / James St. John</span>

サイズ変更など

by John Donges

クリエイティブ・コモンズ表示-改変禁止 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50520433537.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50520433537_ab37cc55fd_m.jpg" alt="" /></a><br /> / John Donges</span>

サイズ変更など

Vanishing Rocks of Hyderabad
by Koshyk

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/1413123732.html" target="_blank"><img src="http://farm2.static.flickr.com/1145/1413123732_96763782d1_m.jpg" alt="" /></a><br />Vanishing Rocks of Hyderabad / Koshyk</span>

サイズ変更など

Nelsonite (Laramie Anorthosite Complex, Mesoproterozoic, 1.43 Ga; Sybille Pit, Laramie Range, Wyoming, 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/50501234552.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50501234552_7765b4dc30_m.jpg" alt="" /></a><br />Nelsonite (Laramie Anorthosite Complex, Mesoproterozoic, 1.43 Ga; Sybille Pit, Laramie Range, Wyoming, USA) 13 / James St. John</span>

サイズ変更など

Peridotite mantle xenolith in vesicular phonotephrite (Peridot Mesa Flow, Middle Pleistocene, 580 ka; Peridot Mesa, San Carlos Volcanic Field, Arizona, 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/15428089790.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/15428089790_d80458ce21_m.jpg" alt="" /></a><br />Peridotite mantle xenolith in vesicular phonotephrite (Peridot Mesa Flow, Middle Pleistocene, 580 ka; Peridot Mesa, San Carlos Volcanic Field, Arizona, USA) 2 / James St. John</span>

サイズ変更など

Calcite (Coscuez Mine, Muzo, Colombia)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/42590142345.html" target="_blank"><img src="http://farm2.static.flickr.com/1821/42590142345_a2e33b8716_m.jpg" alt="" /></a><br />Calcite (Coscuez Mine, Muzo, Colombia) / James St. John</span>

サイズ変更など

Roasted gold ore (Cripple Creek Diatreme, Early Oligocene, 32 Ma; Cripple Creek, Colorado, 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/52407095682.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52407095682_4293e213bb_m.jpg" alt="" /></a><br />Roasted gold ore (Cripple Creek Diatreme, Early Oligocene, 32 Ma; Cripple Creek, Colorado, USA) 5 / James St. John</span>

サイズ変更など

Erg Chech 002 — 1,857g End Cut Faces
by jurvetson

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50866953082.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50866953082_93efaba36c_m.jpg" alt="" /></a><br />Erg Chech 002  — 1,857g End Cut Faces / jurvetson</span>

サイズ変更など

Lamproite (Middle Park Lamproite, Early Oligocene, 33 Ma; 5 to 5.5 km west of Lake Granby, northeast-central Grand County, northern Colorado, 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/14820768971.html" target="_blank"><img src="http://farm6.static.flickr.com/5571/14820768971_7f3ffc65b1_m.jpg" alt="" /></a><br />Lamproite (Middle Park Lamproite, Early Oligocene, 33 Ma; 5 to 5.5 km west of Lake Granby, northeast-central Grand County, northern Colorado, USA) 2 / James St. John</span>

サイズ変更など

Weathered scoriaceous basalt 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/52878584047.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52878584047_dbc28d86bf_m.jpg" alt="" /></a><br />Weathered scoriaceous basalt 3 / James St. John</span>

サイズ変更など

Ancient Cliffs
by langleyo

クリエイティブ・コモンズ表示-改変禁止 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/7636093850.html" target="_blank"><img src="http://farm9.static.flickr.com/8024/7636093850_f1f5382505_m.jpg" alt="" /></a><br />Ancient Cliffs / langleyo</span>

サイズ変更など

Pegmatitic granite (Precambrian; Black Hills, South Dakota, 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/32139287362.html" target="_blank"><img src="http://farm1.static.flickr.com/399/32139287362_a7579a554c_m.jpg" alt="" /></a><br />Pegmatitic granite (Precambrian; Black Hills, South Dakota, USA) 1 / James St. John</span>

サイズ変更など

Grand Canyon National Park: Colorado River Runners 2804
by Grand Canyon NPS

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/6177013790.html" target="_blank"><img src="http://farm7.static.flickr.com/6180/6177013790_1412d09af3_m.jpg" alt="" /></a><br />Grand Canyon National Park: Colorado River Runners 2804 / Grand Canyon NPS</span>

サイズ変更など

Labradorite (Wiborg Batholith, 1633 Ma; Kymi Province, Finland) 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/50425239657.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50425239657_c4a8e4048e_m.jpg" alt="" /></a><br />Labradorite (Wiborg Batholith, 1633 Ma; Kymi Province, Finland) 3 / James St. John</span>

サイズ変更など

Flint arrowhead (farmer's field near Glenford, Ohio, 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/51757334056.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51757334056_cbc1b5d6b7_m.jpg" alt="" /></a><br />Flint arrowhead (farmer's field near Glenford, Ohio, USA) 45 / James St. John</span>

サイズ変更など

Framesite diamondite (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/49169490618.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49169490618_83db4eca85_m.jpg" alt="" /></a><br />Framesite diamondite (South Africa) 2 / James St. John</span>

サイズ変更など

Diamond in kimberlite (Precambrian; South Africa)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/18035701776.html" target="_blank"><img src="http://farm9.static.flickr.com/8894/18035701776_01a79b893e_m.jpg" alt="" /></a><br />Diamond in kimberlite (Precambrian; South Africa) / James St. John</span>

サイズ変更など

GOC: Planets, British Library, London
by Peter O'Connor aka anemoneprojectors

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/52924699937.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52924699937_78a609c92d_m.jpg" alt="" /></a><br />GOC: Planets, British Library, London / Peter O'Connor aka anemoneprojectors</span>

サイズ変更など

Erg Chech 002 — 47g Slice
by jurvetson

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50866135198.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50866135198_9920ba9f76_m.jpg" alt="" /></a><br />Erg Chech 002 — 47g Slice / jurvetson</span>

サイズ変更など

Rainbow obsidian (Jalisco State, Mexico) 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/54545496633.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/54545496633_fe3d1f2d06_m.jpg" alt="" /></a><br />Rainbow obsidian (Jalisco State, Mexico) 33 / James St. John</span>

サイズ変更など

Rhyolite dikes (Tertiary) in Homestake Formation metamorphic rocks (Paleoproterozoic, 1.9-2.0 Ga) (Homestake Mine, Black Hills, South Dakota, 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/8359852294.html" target="_blank"><img src="http://farm9.static.flickr.com/8046/8359852294_84cb6fa337_m.jpg" alt="" /></a><br />Rhyolite dikes (Tertiary) in Homestake Formation metamorphic rocks (Paleoproterozoic, 1.9-2.0 Ga) (Homestake Mine, Black Hills, South Dakota, USA) 9 / James St. John</span>

サイズ変更など

Kimberlite (modern fluvial clast) (creek at Chatham, 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/49718562316.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49718562316_9ccfd517c7_m.jpg" alt="" /></a><br />Kimberlite (modern fluvial clast) (creek at Chatham, Licking County, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Inclusions in the igneous rocks of the Alcantara Gorge, Sicily
by Richard Allaway

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/8154184450.html" target="_blank"><img src="http://farm8.static.flickr.com/7129/8154184450_25ce268057_m.jpg" alt="" /></a><br />Inclusions in the igneous rocks of the Alcantara Gorge, Sicily / Richard Allaway</span>

サイズ変更など

A Shiprock Morning
by puliarf

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/5623724780.html" target="_blank"><img src="http://farm6.static.flickr.com/5188/5623724780_d28bfb0ea3_m.jpg" alt="" /></a><br />A Shiprock Morning / puliarf</span>

サイズ変更など

Microdiamondiferous ultrapotassic minette (Akluilâk Dike System, Paleoproterozoic, 1.832 Ga; Gibson Lake area, Central Churchill Province, northern 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/49945482657.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49945482657_a350ae4462_m.jpg" alt="" /></a><br />Microdiamondiferous ultrapotassic minette (Akluilâk Dike System, Paleoproterozoic, 1.832 Ga; Gibson Lake area, Central Churchill Province, northern Canada) 2 / James St. John</span>

サイズ変更など

1.36 Ga granite dikes in amphibolite (Blue Creek East Rt. 50 roadcut, Gunnison Uplift, Colorado, 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/8358769163.html" target="_blank"><img src="http://farm9.static.flickr.com/8518/8358769163_19fc6d81eb_m.jpg" alt="" /></a><br />1.36 Ga granite dikes in amphibolite (Blue Creek East Rt. 50 roadcut, Gunnison Uplift, Colorado, USA) 2 / James St. John</span>

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Porphyritic trachyte (Paleoproterozoic, 2.45-2.47 Ga; Bannockburn, 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/41461762972.html" target="_blank"><img src="http://farm1.static.flickr.com/868/41461762972_c07f1a1422_m.jpg" alt="" /></a><br />Porphyritic trachyte (Paleoproterozoic, 2.45-2.47 Ga; Bannockburn, Ontario, Canada) 2 / James St. John</span>

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Native silver-bearing hydrothermal vein (mine near Joachimsthal, Bohemia) 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/51134114469.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51134114469_6486654a26_m.jpg" alt="" /></a><br />Native silver-bearing hydrothermal vein (mine near Joachimsthal, Bohemia) 8 / James St. John</span>

サイズ変更など

by John Donges

クリエイティブ・コモンズ表示-改変禁止 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/50529554276.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50529554276_0d94fae2e7_m.jpg" alt="" /></a><br /> / John Donges</span>

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Snowflake obsidian 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/52825841636.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52825841636_5fcae61dbe_m.jpg" alt="" /></a><br />Snowflake obsidian 20 / James St. John</span>

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"Imperial Porphyry" - porphyritic metadacite to porphyritic meta-andesite (Dokhan Volcanics, Neoproterozoic, ~593-602 Ma; Mons Porphyrites, Red Sea Mountains, Egypt) 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/51043947772.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51043947772_5b7204f390_m.jpg" alt="" /></a><br />"Imperial Porphyry" - porphyritic metadacite to porphyritic meta-andesite (Dokhan Volcanics, Neoproterozoic, ~593-602 Ma; Mons Porphyrites, Red Sea Mountains, Egypt) 5 / James St. John</span>

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"Geology of Decorative Stones" talk (Distinctive Marble & Granite, Plain City, Ohio, USA)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/46258452255.html" target="_blank"><img src="http://farm8.static.flickr.com/7820/46258452255_e3690f8bc8_m.jpg" alt="" /></a><br />"Geology of Decorative Stones" talk (Distinctive Marble & Granite, Plain City, Ohio, USA) / James St. John</span>

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Porphyritic granite 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/49201304792.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49201304792_e919226c16_m.jpg" alt="" /></a><br />Porphyritic granite 9 / James St. John</span>

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Ureilite (North West Africa 4231 Meteorite)
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/14765361956.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/14765361956_8acd642a0a_m.jpg" alt="" /></a><br />Ureilite (North West Africa 4231 Meteorite) / James St. John</span>

サイズ変更など

Mahogany obsidian (Tertiary, 5.03-7.7 Ma; Glass Buttes, Oregon, 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/51523764062.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51523764062_14b81f2293_m.jpg" alt="" /></a><br />Mahogany obsidian (Tertiary, 5.03-7.7 Ma; Glass Buttes, Oregon, USA) 2 / James St. John</span>

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Serpentinite ("green marble")
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/14618888487.html" target="_blank"><img src="http://farm3.static.flickr.com/2940/14618888487_cefebe7cb0_m.jpg" alt="" /></a><br />Serpentinite ("green marble") / James St. John</span>

サイズ変更など

Lodestone (Magnet Cove Complex, mid-Cretaceous, 96-102 Ma; Magnet Cove, Arkansas, 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/52558339204.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52558339204_de29c1d16c_m.jpg" alt="" /></a><br />Lodestone (Magnet Cove Complex, mid-Cretaceous, 96-102 Ma; Magnet Cove, Arkansas, USA) 2 / James St. John</span>

サイズ変更など

Diamond in kimberlite 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/17406779803.html" target="_blank"><img src="http://farm6.static.flickr.com/5464/17406779803_5a21c79082_m.jpg" alt="" /></a><br />Diamond in kimberlite 1 / James St. John</span>

サイズ変更など

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