Our earth. Rock recipes /
Rocks are complicated collections of mineral particles. Four silicate mineral groups make up 90% of the crustal rocks - mafic minerals, quartzes, feldspars and micas. Rocks come in three basic varieties - igneous, sedimentary and metamorphic. These are the ingredients of the rock cycle.
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Format: | Electronic Video |
Language: | English |
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[Place of publication not identified] :
Australian Broadcasting Corporation,
2003.
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Series: | Academic Video Online
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Full text (Emmanuel users only) |