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What are mafic and ultramafic rocks 2024?

Amelia Clark | 2023-04-20 20:49:11 | page views：1560
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Lucas Patel

Works at the World Meteorological Organization, Lives in Geneva, Switzerland.
Ultramafic (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark colored, high magnesium and ...
2023-04-23 20:49:11
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Isabella Evans

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Ultramafic (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark colored, high magnesium and ...
Ultramafic rock - Wikipedia
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