Tag Archives: Lava

Diamond Geyser – anatomy of a kimberlite eruption

Posted on June 18, 2012 by Pete Rowley

Sorry, I can’t resist a pun. Kimberlite pipes are – geologically and economically – hugely important things. These weird  features appear on maps as simple circular(ish) structures, perhaps up to a few hundred meters across. They are the vent which … Continue reading →

Posted in Geology, Natural Resources, Volcanism | Tagged , , , , , , , , | 2 Comments

Hazard Assessment Part 2: Volcanic flows

Posted on July 12, 2011 by Pete Rowley

Yesterdays post dealt with some of the problems inherent in earthquake hazard assessment, today I’m going to focus on something a little closer to my heart – the problems in assessing volcanic risk.  I will say straight away that I’m … Continue reading →

Posted in General, Geology, Hazard Assessment, Media & Perception, Science, Sedimentology, Volcanism | Tagged , , , , , , , , , , | 1 Comment