Rocks

Rocks: Igneous, Metamorphic and Sedimentary


Rocks hold the history of the earth and the materials that will be used to build its future.

Igneous
Pumice
Igneous Rocks: Photos, descriptions and facts about intrusive and extrusive igneous rocks.

Andesite
Andesite
 Basalt
Basalt
 Quartz Diorite
Diorite
Gabbro
Gabbro
 Granite
Granite
 Obsidian
Obsidian
Pegmatite
Pegmatite
 Peridotite
Peridotite
 Pumice
Pumice
Rhyolite
Rhyolite
 Scoria
Scoria
 Welded Tuff
Tuff
Metamorphic
gneiss
Metamorphic Rocks: Photos, descriptions and facts about foliated and non-foliated metamorphic rocks.

Amphibolite
Amphibolite
 Gneiss
Gneiss
 Hornfels
Hornfels
Marble
Marble
 Novaculite
Novaculite
 Phyllite
Phyllite
Quartzite
Quartzite
 Muscovite Schist
Schist
 Slate
Slate
Soapstone
Soapstone
    
Sedimentary
conglomerate
Sedimentary Rocks: Photos and facts about clastic, chemical and organic sedimentary rocks.

Breccia
Breccia
 Chert
Chert
 Anthracite Coal
Coal
Conglomerate
Conglomerate
 dolomite
Dolomite
 Flint
Flint
Hematite Iron Ore
Iron Ore
 Limestone
Limestone
 Halite Rock Salt
Rock Salt
Sandstone
Sandstone
 Shale
Shale
 Siltstone
Siltstone

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