That’s how I felt at times reading interesting things about volcanoes but had to skip those -ic words. So, I am trying to give you a simple overview on rock types produced by volcanoes… I can already hear the experts groan: omg, “petrology” and “simple” are the two most antagonistic terms in the world! 😉 Nevertheless, I know all too well our typical skip-and-jump motion when it comes to different lavas, just let’s try and achieve a broad understanding about what volcanoes bring up from the depth. Continue Reading
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All posts for the month March, 2017

South flank of Mount Adams as seen from Trout Lake. Trout Lake is built on thick lahar deposits from a debris avalanche 6,000 years ago. (© Cheryle Battrum, via peakware.com)
We are delighted to welcome our reader Michael (better known to us as mjf) for a not-only-interestingly-titled-but-really-good guest post. Thanks Michael! Continue Reading