Tag Archives: Magma

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

Viennese Whirl – EGU 2012

Posted on April 25, 2012 by Pete Rowley

Thought it might be time for a little update on how EGU’s been going for those of you who couldn’t make it (and a restaurant tip below for those who could). There’s been some really good science on show, and … Continue reading →

Posted in Food, General, Geology, Hazard Assessment, News, Palaeontology, Science, Sedimentology, Travel, Volcanism | Tagged , , , , , , , , , , , , , | 3 Comments

A Canarian comparison

Posted on November 11, 2011 by Pete Rowley

My last post mentioned the really interesting bimodal and alkaline nature of the magma system under El Hierro and the submarine vent system, and I promised I would provide some comparison to nearby Tenerife.  Tenerife also shows bimodal alkaline chemistry, … Continue reading →

Posted in General, Science, Sedimentology, Volcanism | Tagged , , , , , , , | 6 Comments

El Hierro 4: Hubble, bubble, toil and trouble.

Posted on November 7, 2011 by Pete Rowley

UPDATED 16:40 Earthquake-report.com have got their webcam up and running (be patient  – it’s a little flaky at the moment). The eruption at El Hierro has (as of Saturday) become at least partially subaerial.  For the non-scientists amongst you that … Continue reading →

Posted in Earthquakes, Geology, Geophysics, Science, Volcanism | Tagged , , , , , , | 1 Comment