Difference between revisions of "Basic Rock"
Jump to navigation
Jump to search
(Category (case)) |
m (fixed up ref) |
||
| Line 1: | Line 1: | ||
'''Basic rocks''' are [[igneous rock]]s that contain between 45% and 55% total [[silica]]. These have less than 10% [[quartz]] and are rich in [[ferro-magnesian mineral]]s. | '''Basic rocks''' are [[igneous rock]]s that contain between 45% and 55% total [[silica]]. These have less than 10% [[quartz]] and are rich in [[ferro-magnesian mineral]]s. | ||
| − | + | p. 250 | |
==Sources== | ==Sources== | ||
| − | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) | + | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) p. 250 |
[[category:Igneous Rocks]] | [[category:Igneous Rocks]] | ||
Revision as of 02:44, September 3, 2008
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.
p. 250
Sources
- Pellant, Chris. The Complete Book of Rocks and Minerals, Dorling Kindersley Inc.: New York (1995) p. 250