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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Bibliographic Details
Online Access:	Full text (MCPHS users only)
Main Author:	Beilby, Dick (Author, Producer)
Other Authors:	Kelly, Karina (Narrator)
Format:	Electronic Video
Language:	English
Published:	[Place of publication not identified] : Australian Broadcasting Corporation, 2003
Series:	Academic Video Online
Subjects:	Rocks. Minerals. Petrology. Minerals Documentaries and Factual Films Documentary films. Educational films. Short films.