| 31. | Individual vents for basalt volcanism include small cinder cones, volcanic plugs, and gabbroic feeders, which locally crosscut lava flows.
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| 32. | In the United Kingdom, two examples of a building on a volcanic plug are the Scrabo and Slieve Gallion.
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| 33. | It lies immediately south of Cardenal Antonio Samor?Pass and its characteristic spire-shaped summit is an eroded volcanic plug.
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| 34. | The Glasshouse Mountains, astounding volcanic plugs that just pop up from the plain, were passed on the first afternoon.
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| 35. | A thick sequence of andesite lava flows were erupted from the volcanic plug of Devastator Peak, creating the Pylon Assemblage.
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| 36. | In this respect, it is similar to Snake Hill, which it most likely a volcanic plug linked to the Palisades.
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| 37. | It is one of several igneous " volcanic plug " formations that feature on the landscape near the Capricorn Coast.
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| 38. | The Neck gets its name for the type of volcanic feature it is called a volcanic plug or a volcanic neck.
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| 39. | Other theories have suggested that Devils Tower is a volcanic plug or that it is the neck of an extinct volcano.
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| 40. | For millions of years, the gray volcanic plug has towered majestically over the surrounding plains, rising a quarter-mile into the sky.
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