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Anuta_ua [19.1K]
2 years ago
13

An igneous rock that contains mostly pyroxene and olivine has ?

Biology
2 answers:
Masteriza [31]2 years ago
5 0
It sounds like you may be looking for Peridotite, which is a type of ultramafic igneous rock that contain olivine as their main mineral in combination with <span>pyroxenes and amphiboles. I hope this helps! </span>
leonid [27]2 years ago
4 0

Answer:

Ultrabasic rocks like mafic rocks

Explanation:

  • Usually, have 45% of silica and mostly are mafic rocks contain mostly minerals like pyroxene and olivines example of peridotite, these minerals make up 90% of the volume of igneous rocks and thus are easy to identify.
  • Being rich in iron and magnesium and thus contain abundant calcium-rich feldspar thus they being dark o black in color.  
  • The presence of this pyroxene and olivine has also found in extraterrestrial rocks like the lunar rocks and often have been seen in a combination with minerals like <u>hornblende</u>.
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