| 11. | It also contains xenoliths both from Agua Dulce lavas and Paleozoic sediments.
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| 12. | As a result, xenoliths are older than the rock which contains them.
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| 13. | Xenoliths containing quartz and gabbro nodules also have part in the rock composition.
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| 14. | San Antonio lavas contain large plagioclase xenocrystals and xenoliths.
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| 15. | Several other igneous xenoliths are also related to the upper mantle and basalts.
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| 16. | Xenoliths of granulite-facies metamorphic rock resemble those found in eastern Antarctica.
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| 17. | Xenoliths do not exist in the older lava flows.
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| 18. | It occurs within a xenolith in a leucite tephrite.
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| 19. | The later group contain more common basic microgranite xenoliths.
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| 20. | These xenoliths include pieces of limestone, clastic sedimentary rocks, and gneiss.
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