| 21. | One gneiss fragment found as a xenolith contains corundum.
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| 22. | Garnet harzburgite xenoliths from kimberlites in South Africa have been particularly well-characterized.
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| 23. | Wehrlites occur as mantle xenoliths and in ophiolites.
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| 24. | Dunite xenoliths are found within the erupted basalts.
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| 25. | Ultramafic xenoliths have been found in the rocks.
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| 26. | Xenoliths from the Patagonian batholith are also found.
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| 27. | Xenoliths are sometimes found in recovered meteorites.
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| 28. | The San Quint�n field is the only known location of granulitic xenoliths on the peninsula.
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| 29. | Xenoliths are also found within the lava, both quartz containing xenocrysts and sedimentary rocks.
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| 30. | Xenoliths of eclogite occur in kimberlite pipes of Africa, Russia, Canada, and elsewhere.
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