Igneous or magmatic rocks The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
Walking & Study tours VolcanoDiscovery's signature tours for small groups: Discover volcanoes and volcanic areas from close with an expert in their field! These tours have a broad mix of activities and interests from photography, walking, study travel, nature & culture.
Volcano Calendar 2016 We're proud to present our new volcano calendar 2016: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
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