Brimstone Hill National Park. Strong sulphur smells and discolored rocks in the vicinity of this andesite dome suggests that there may be fumarolic vents located at the base of the dome and along the coastline to the west (left of the photograph).
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Crater of Mount Mt. Liamuiga showing one of several areas of fumarolic activitiy located along the crater walls. The photograph shows the fumarolic field on the northern crater walls and is taken from the top of the track leading to the crater rim.
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