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Ol Doinyo Lengai at the NASA Earth Observatory 17 September 2009

Posted by admin in Africa, NASA Earth Observatory, Ol Doinyo Lengai, Tanzania.
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Ol Doinyo Lengai - left: 16 July 2004, right: 12 September 2009 (NASA imagery)

The NASA Earth Observatory has just published some particularly fascinating volcano imagery in its ‘natural hazards’ category: satellite images of the remarkable Tanzanian volcano Ol Doinyo Lengai, showing the changes that have occurred at the summit of the volcano following the explosive eruptions of 2007-8. The Earth Observatory has showcased two images, one from July 2004 (detail on the left, above) and the other from September 2009 (on the right). Ol Doinyo Lengai is unique on Earth because of its low-temperature natrocarbonatite lavas.

Changes on Ol Doinyo Lengai – NASA Earth Observatory, 16 September 2009

The Volcanism Blog

Comments

1. Gijs - 18 September 2009

Another (natro-?)carbonatite volcano, the Kaiserstuhl, lies in Southern Germany, near the city of Freiburg. However, it went extinct around 15 million years ago. Still, I’m happy to say that I have some samples of carbonatite from the Kaiserstuhl complex in my rock collection ^_^ .

http://omnibus.uni-freiburg.de/~weisenbt/9Kaiserstuhl/Kaiserstuhl.html

2. admin - 18 September 2009

Ah yes, the Kaiserstuhl! You’re right, Gijs, Ol Doinyo Lengai is the only currently *active* carbonatite volcano.


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