Mantle Plumes and Rifting
Hotspot, or mantle plume, volcanism is one of the major processes affecting the interior of the Earth. Mantle plumes may be the primary mechanism of heat loss for the Earth's core and are also one of the primary driving factors in plate movements. Plume heads are influential in forming and modifying plate boundaries, while plume tails and their surface tracks constitute major features of the Earth's lithosphere (e.g., Richards et al. 1989; Duncan 1991). The influence of mantle plumes, and the large lava accumulations that are associated with them, on continent formation and evolution constitutes a continuing theme of the science of continental dynamics (Hill et al. 1992).
(by Donald J. DePaolo & Dominique Weis, 2005)
| News Highlights | ||||||||||||||||||||||||||||
ECORD/ICDP MagellanPlus Call for Proposals Lake Ohrid Drilling Recovered Continuous Record Lake El’gygytgyn Second Overview Paper Scientific Drilling Issue 15 Online 2013 International Van Earthquake Symposium NSF Workshop: Drilling Active Tectonics and Magmatism New SAG Composition for 2013 The Fennoscandian Arctic Russia - Drilling Early Earth Project Scientific Drilling Issue 14 Online Imaging the Past to Imagine our Future | ||||||||||||||||||||||||||||
| Daily News from Sites | ||||||||||||||||||||||||||||
Lake Ohrid:
In ca 87 m depth at the Cerava hole 2B, we found a conglomerate of gravel, sand and lots of snail and... | ||||||||||||||||||||||||||||
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NSF Workshop on Scientific Drilling and the Evolution of the Earth System NSF Workshop: Drilling Active Tectonics and Magmatism NSF Workshop: Drilling into High-Enthalpy Geothermal Systems | ||||||||||||||||||||||||||||
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