| 11. | The meteorite impacted on the basaltic rocks of the Serra Geral Formation ( Jurassic / Cretaceous ).
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| 12. | Outcrops of basaltic rock are common among this soil type, betraying the volcanic origin of Sonoma Mountain.
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| 13. | Yet, running through the region are several smaller volcanic cones composed of black or red basaltic rock.
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| 14. | The nearby geology is characterized by an outcropping of basaltic rocks that have been reused in local buildings.
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| 15. | The Heldburger Castle Hill is also made of basaltic rock that phonolite ( Sparkling Stone ) is called.
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| 16. | Water has eroded the sandstone, but in its higher parts, the basaltic rocks is more resistant to erosion.
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| 17. | It soils derived from basaltic rocks.
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| 18. | Especially in layers closer to Earth's surface, naturally occurring isotopes are enriched in the granite and basaltic rocks.
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| 19. | Only rocks of the second series have been discovered at Pilot Knob; no basaltic rocks have been located.
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| 20. | The top is covered by a deep layer of sediment through which basaltic rocks and erratic boulders protrude.
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