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We wish to make this key available to one and all in the hope of correct identification of minerals in collections, rock gardens, and on windowsills everywhere. You may copy it, or any part of it, for non-commercial, personal use. ... Cleavage may also be described in terms of crystallographic type:
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www.rockhounds.com/rockshop/mineral_id/
www.rockhounds.com/rockshop/mineral_id/
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Basalt is one of the major igneous rock types. ... Basalt is an extrusive or intrusive rock that makes up most of the world's oceanic crust. This specimen was erupted from Kilauea volcano in 1960. (more below)
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geology.about.com/od/rocks/ig/igrockindex/rocpicbasalt....
geology.about.com/od/rocks/ig/igrockindex/rocpicbasalt.htm
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They generally talk about basaltic and granitic or granitoid rocks among themselves and out in the field, because it takes lab work to determine an exact rock type according to the official classifications. True granite and true basalt are narrow subsets of these categories.
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geology.about.com/cs/basics_roxmin/a/aa011804a.htm
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Not only is it my personal favorite, it is without a doubt the most common rock type on the continental land masses. Yosemite Valley in the Sierra Nevada and Mt. Rushmore are two notable examples of granitic rocks. ... Basalt is considered a mafic silicate rock. Among other characteristics, mafic minerals and rocks...
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jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry27.html
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geology.isu.edu/wapi/Geo_Pgt/Mod03_PlanetaryEvo/Basalt....
geology.isu.edu/wapi/Geo_Pgt/Mod03_PlanetaryEvo/Basalt.htm
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(Click on the picture to return to Rock Type Lab key) ... This is the same material that underlies most of the world's ocean floors. Its dark color indicates a relatively high proportion of ferromag (iron- ... This rock has numerous VERY tiny gas bubble cavities on its surface. It does not react with hydrochloric acid.
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www.uwsp.edu/geo/faculty/heywood/geog101/labs/RockType/...
www.uwsp.edu/geo/faculty/heywood/geog101/labs/RockType/basalt.htm
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Basalt is an extrusive igneous rock that is very dark in color. It is the most common type of rock in the Earth's crust and it makes up most of the ocean floor.
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www.windows.ucar.edu/tour/link=/earth/geology/ig_basalt...
www.windows.ucar.edu/tour/link=/earth/geology/ig_basalt.html
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Report this video ... Add to Favorites ... Tags: Igneous rock Metamorphic rocks Rock cycle Erosion of rocks Granites...
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www.science.tv/watch/1b3c2aa868d6d57e14a7/Type-of-Rocks
www.science.tv/watch/1b3c2aa868d6d57e14a7/Type-of-Rocks
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Match the 3 types of rocks with the examples given. ... Columns: Identify the matching terms in two columns. ... This activity was created by a Quia Web subscriber. Learn more about Quia...
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www.quia.com/cm/10302.html
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