Difference between revisions of "Basic Rock"
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==Sources== | ==Sources== | ||
| − | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) p. 250 | + | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) p. 250 |
| − | [[ | + | [[Category:Igneous Rocks]] |
Latest revision as of 02:45, July 13, 2016
Basic rocks are igneous rocks that contain between 45% and 55% total silica. These have less than 10% quartz and are rich in ferro-magnesian minerals.
Sources
- Pellant, Chris. The Complete Book of Rocks and Minerals, Dorling Kindersley Inc.: New York (1995) p. 250