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IGNEOUS ROCKS |
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Granite – Rhyolite Family |
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Intrusive |
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| 1 |
Aplite |
San Bernardino County, California, USA |
| 2 |
Hornblende Granite |
Rocport, Massachusetts, USA |
| 3 |
Hypersthene Granite (Charnockite) |
near Madras, India |
| 4 |
Biotite Granite |
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Extrusive |
|
| 5 |
Rhyolite Porphyry |
|
| 6 |
Pegmatite – Lithium Rich |
|
| 7 |
Rhyolite Porphyry |
|
| 8 |
Obsidian, brown and black |
Lake County, Oregon, USA |
| 9 |
Obsidian, snowflake |
|
| 10 |
Vitrophyre |
|
| 11 |
Pumice |
Hidalgo, Mexico |
| 12 |
Rhyolite , Flow |
Chaffee County, Colorado, USA |
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Syenites |
|
| 13 |
Hedenbergite Syenite |
Portland Twp, Quebec, Canada |
| 14 |
Sodalite Syenite |
|
| 15 |
Shonkinite |
San Bernardino County, California, USA |
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Monzonite – Latite Family |
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Intrusive |
|
| 16 |
Monzonite |
Westerley, Rhode Island, USA |
| 17 |
Quartz Monzonite |
Los Angeles County, California, USA |
| 18 |
Quartz Monzonite Porphyry |
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Diorite – Andesite Family |
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Intrusive |
|
| 19 |
Orbicular Diorite |
Davie County, North Carolina, USA |
| 20 |
Diorite Porphyry |
Jackson, Wyoming, USA |
| 21 |
Hornblende Diorite |
|
| 22 |
Camptonite |
Hoover Dam, Arizona, USA |
|
Extrusive |
|
| 23 |
Hornblende Andesite Porphyry |
Gallatin County, Montana, USA |
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Gabbro – Basalt Family |
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Intrusive |
|
| 24 |
Jacupirangite |
Magnet Cove, Arkansas, USA |
| 25 |
Hypersthene Gabbro |
Essex County, New York, USA |
| 26 |
Anorthosite |
Split Rock, Minnesota, USA |
| 27 |
Diabase |
Dillsburg, Pennsylvania, USA |
|
Extrusive |
|
| 28 |
Basalt |
Pullman, Washington, USA |
| 29 |
Diktytaxtic Basalt |
Modoc County, California, USA |
| 30 |
Vesicular Basalt |
Modoc County, California, USA |
| 31 |
Leucite Nepheline Tephrite |
Laacher See, Germany |
| 32 |
Augite Basalt Porphyry |
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Pyroclastic Family |
|
| 33 |
Welded Tuff |
Inyo County, California, USA |
| 34 |
Tuff |
Pima County, Arizona, USA |
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Peridotite Family |
|
| 35 |
Pyroxenite (Bronzitite) |
Contact Mountain, Montana, USA |
| 36 |
Peridotite (Kimberlite) |
Yellow Dog, Michigan, USA |
| 37 |
Peridotite |
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Sedimentary Rocks |
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Conglomerates and Breccias |
|
| 38 |
Conglomerate |
Richmondale, Ohio, USA |
| 39 |
Limestone Breccia |
Boulder County, Colorado, USA |
| 40 |
Volcanic Breccia |
Mohave County, Arizona, USA |
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Sandstones and Related Rocks |
|
| 41 |
Cross-bedded Sandstone |
Portland, Connecticut, USA |
| 42 |
Arkose (gray) |
Gardiner, Montana, USA |
| 43 |
Sandstone |
Los Angeles County, California, USA |
| 44 |
Bituminous Sandstone |
|
| 45 |
Coconino Sandstone |
Mojave County, Arizona, USA |
| 46 |
Banded Sandstone |
Mansfield, Ohio, USA |
| 47 |
Siltstone |
Concordia Bridge, Illinois, USA |
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Shales and Related Rocks |
|
| 48 |
Arenaceous Shale |
Greene County, New York, USA |
| 49 |
Ferruginous Shale |
Williamsport, Pennsylvania, USA |
| 50 |
Bituminous Shale |
Little Falls, New York, USA |
| 51 |
Laminated Shale |
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|
Chalcedonic and Related Stones |
|
| 52 |
Flint |
Flint Ridge, Ohio |
| 53 |
Flint |
Flint Ridge, Ohio |
| 54 |
Chalcedony pseudomorph after coral |
Tamba Bay, Florida, USA |
|
Limestones and Related Stones |
|
| 55 |
Common Grey Limestone |
Monroe County, New York, USA |
| 56 |
Lithographic Limestone |
Solnhofen, Germany |
| 57 |
Red Wall Limestone |
Yavapai Co. Arizona, USA |
| 58 |
Coquina |
St. Augustine, Florida, USA |
| 59 |
Pentamerous Limestone |
Rochester, New York, USA |
| 60 |
Travertine |
|
| 61 |
Dolomitic Limestone |
Kasota, Minnesota, USA |
| 62 |
Siliceous Dolomite |
Little Falls, New York, USA |
| 63 |
Diffusion Dolomite |
Fremont County, Colorado, USA |
| 64 |
Dolomite |
Marquette, Michigan, USA |
| 65 |
Potosi Dolomite |
Potosi, Missouri, USA |
| 66 |
Fusulinid Limestone |
Glass Mountains, Texas, USA |
|
Ferruginous and Related Rocks |
|
| 67 |
Hematite (oolitic) |
Clinton, New York, USA |
|
Salines (Evaporates) |
|
| 68 |
Anhydrite |
|
| 69 |
Gypsum, var. Alabaster |
Pomaia, Italy |
|
Organics |
|
| 70 |
Bituminous Coal |
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METAMORPHIC ROCKS |
|
|
Hornfels |
|
| 71 |
Hornfels |
Lambertsville, New Jersey, USA |
|
Marbles |
|
| 72 |
Graphitic Marble |
Los Angeles County, California, USA |
| 73 |
White Marble |
Lee, Massachusetts, USA |
| 74 |
Marble |
St. Lawrence County, New York, USA |
| 75 |
Chocolate Marble |
Knoxville, Tennessee, USA |
|
Calc-silicate Rocks |
|
| 76 |
Mylonite |
Los Angeles County, California, USA |
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Quartzites |
|
| 77 |
Pink Quartzite |
Dell Rapids, South Dakota, USA |
| 78 |
Jasper Pebble Quartzite |
Sault St. Marie, Ontario, Canada |
| 79 |
Green Quartzite |
|
|
Slates |
|
| 80 |
Red Slate |
Granville, New York, USA |
| 81 |
Green Slate |
Pawlet, Vermont, USA |
|
Schists |
|
| 82 |
Tourmaline Schist |
|
| 83 |
Vishnu Schist |
near Grand Canyon, Arizona, USA |
| 84 |
Crumpled Mica Schist |
Gilpin County, Colorado, USA |
| 85 |
Garnet Mica Schist |
Gassetts, Vermont, USA |
| 86 |
Hornblende Schist |
Antwerp, New York, USA |
| 87 |
Garnetiferous Schist |
|
| 88 |
Albite Mica Schist |
|
| 89 |
Staurolite Schist |
near Newport, Idaho, USA |
|
Gneisses and Related Rocks |
|
| 90 |
Diopside Gneiss |
Lowell, Idaho County, Idaho, USA |
| 91 |
Diorite Gneiss |
San Bernardino County, California, USA |
| 92 |
Banded Biotite Gneiss |
Adirondack Region, New York, USA |
| 93 |
Garnet Sillimanite Gneiss |
Washington County, New York, USA |
| 94 |
Amphibolite, Fine Grained |
Soudan, Minnesota, USA |
| 95 |
Amphibolite, Coarse Grained |
Soudan, Minnesota, USA |
|
Epidote Group |
|
| 96 |
Unakite |
|
|
Other Metamorphic |
|
| 97 |
Greenstone |
Ely, Minnesota, USA |
| 98 |
Soapstone |
Cameron, Montana, USA |
| 99 |
Ferruginous Argillite |
Missoula, Montana, USA |
| 100 |
Serpentinite |
|