| 11. | The upper mantle of Earth is composed mainly of olivine and pyroxene.
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| 12. | The olivine abundance varies inversely with the amount of sulfates.
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| 13. | These plans, known as the Olivine project, did not eventuate.
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| 14. | Other names for tephroite include mangan olivine and mangan peridot.
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| 15. | Tephrite is foidal basalt with essential calic plagioclase but without essential olivine.
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| 16. | A large exposure of olivine is located in Nili Fossae.
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| 17. | The Thirlstane Basalt is above at, an alkali-olivine basalt.
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| 18. | Some areas of Syrtis Major contain large amounts of the mineral olivine.
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| 19. | Olivines with diopside cores are found at the Igwisi Hills.
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| 20. | The tuffs contain basalt bombs with host rock and large olivine crystals.
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