Ol Doinyo Lengai - Wikipedia
Ol Doinyo Lengai is an active volcano in northern Tanzania. It consists of a volcanic cone with two craters, the northern of which has erupted during historical time. Uniquely for volcanoes on Earth, it has erupted natrocarbonatite, [3] an unusually low temperature and highly fluid type of magma.
Black lava from this bizarre volcano could reveal Earth's deep …
2021年11月24日 · Tanzania's Ol Doinyo Lengai is the only volcano known to spew out carbonatite lava, which could offer fresh clues about Earth's mysterious mantle – but getting hold of a sample is no simple ...
Ol Doinyo Lengai Is The Weirdest Volcano On Earth, Maybe
2024年4月15日 · Ol Doinyo Lengai is one of the weirdest volcanoes on planet Earth, perhaps even in the whole Solar System. While it appears typical enough from afar, take a peek into its northern...
Ol Doinyo Lengai Volcano - VolcanoDiscovery
2024年9月13日 · Ol Doinyo Lengai is an extremely fascinating volcano: it is the only active volcano known to erupt carbonatite lava, a sensational discovery scientists made as recently as in the 1960s: the lavas it erupts are NOT melts based on silica, but on natroncarbonate!
Ol Doinyo Lengai - Global Volcanism Program
2017年2月3日 · Black lava had flowed into the crater from a small cone on the crater rim that formed between July 1984 and July 1985. The crater appeared shallower than it had been in 1983; the vertical cliff that had formed the lower segment of the slope (area B in figure 2) into the crater had completely disappeared, and at the S end of the crater the slope ...
Volcano Watch — World's Coolest Lava is in Africa
2003年4月17日 · Because of its very unusual composition, carbonatite is literally the coolest lava on earth, erupting at 500-600 degrees Centigrade (930-1,100 degrees F), compared with 1,160 degrees C (2,120 degrees F) for lava from Kilauea's current eruption. An active carbonatite flow is black or brown and reminds many eyewitnesses of runny mud.
Strangest Magma on Earth: Carbonatites of Ol Doinyo Lengai
2014年3月11日 · If you had to pick the most bizarre volcano on Earth, Tanzania's Ol Doinyo Lengai would win. It looks crazy, and it's the only place on the planet that is currently erupting carbonatite lava,...
Volcano in Tanzania with weirdest, runniest magma on Earth is …
2024年8月2日 · A volcano in Tanzania with magma that erupts like a garden hose has been steadily sinking into the ground for the past 10 years, a new study shows, and the cause could be a deflating reservoir ...
Report on Ol Doinyo Lengai (Tanzania) — April 2021
Ol Doinyo Lengai is located near the southern end of the East African Rift in Tanzania. It is known for its unique low-temperature carbonatitic lava. Activity primarily occurs in the crater offset to the N about 100 m below the summit where hornitos (small cones) and …
World's Most Unusual Volcano: Origin Of Carbon-based ... - ScienceDaily
Scientists studying the world's most unusual volcano have discovered the reason behind its unique carbon-based lavas. The new geochemical analyses reveals that an extremely small degree of...