ultramafic
ultramafic · more ultramafic · most ultramafic
Describing igneous rocks that contain magnesium and iron and only a very small amount…Describing igneous rocks that contain magnesium and iron and only a very small amount of silica, such as are found in the Earth’s mantle.
Meaning
1 sensesDescribing igneous rocks that contain magnesium and iron and only a very small amount of silica, such as are found in the Earth’s mantle.
Origin
From ultra- + mafic.From ultra- + mafic.
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Forms
more ultramafic, most ultramafic| Comparative | more ultramafic Lesson |
|---|---|
| Superlative | most ultramafic Lesson |
regular
Synonyms
1 synonymsLessons for this word
2 lessons- A2Comparatives — Because it has a comparative form
- A2Superlatives — Because it has a superlative form