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Basalt Picture Gallery

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Basalt is the most common volcanic rock, constituting nearly all of the oceanic crust and covering parts of the continents. This gallery presents some of basalt's variety, on land and in the ocean.

Pictures 1, 2, 10–13 and 15–17 are flood basalt; pictures 5, 8 and 9 are ocean island basalt; 3, 6, 7 and 14 are continental basalt; and 18 is an ophiolite basalt. Learn more about these in About Basalt.

More about basalt:
About Basalt
Free wallpaper image of basalt
More wallpaper images of basalt
Still more basalt wallpapers
Other volcanic rocks
Volcanism in a nutshell

Go see basalt:
Geology of California, Oregon, Washington, Idaho, Alaska and Hawaii
Visit Iceland

Submit your basalt photo

Images 1-12 of 18
Basic blackMassive BasaltEnsure a fresh faceFresh and Weathered Massive BasaltA sign of steam weatheringAltered Basalt with Palagonite CrustVesiculated means bubblyVesiculated Basalt
Porphyritic means full of crystalsPorphyritic BasaltWith filled-in vesiclesAmygdaloidal BasaltStretched by flowBasalt Flow SurfaceOne recipe, two outcomesPahoehoe and Aa Basalt
See how it's doneProfile of Aa Basalt FlowSix-sided chunkHexagonal Jointing in BasaltCracked in all directionsColumnar Jointing in BasaltAn urban basalt vehicleColumnar Basalt in Eugene, Oregon
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