Tag Archives: Magma

Diamond Geyser – anatomy of a kimberlite eruption

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

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

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

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

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