| 41. | Lava flows shaped the landscape, but the volcanic soil is poor.
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| 42. | Samples from the lava flow have been age-dated at about 250 million years.
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| 43. | The presence of levees is quite common in many lava flows.
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| 44. | It is a stratovolcano formed by tephra and solidified lava flows.
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| 45. | Gaps between lava flows were sometimes cut off from surrounding vegetation.
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| 46. | There are dark regions that appear to be solidified lava flows.
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| 47. | The lava domes and San Antonio lava flows have porphyritic surfaces.
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| 48. | The peak elevation is 600 m where lava flows are visible.
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| 49. | The Campo Negro cone is dominated by the surrounding lava flows.
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| 50. | The lava flow is unusually long for a silicic lava flow.
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