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TL;DR: In this paper, the authors examined 162 new heat-flow measurements in the eastern Gulf of Aden, obtained at close locations along eight seismic profiles and with multi-beam bathymetry, and proposed a possible interpretation of hydrothermal paths based on the shape of HF anomalies and on the surface morphology.
27 citations
TL;DR: In this article, the authors show that during remagnetization, chemical changes limited to moderate grain growth from pre-existing single domain (SD) grains do not modify the palaeomagnetic direction carried by these grains.
Abstract: SUMMARY
During remagnetization, chemical changes limited to moderate grain growth from pre-existing single domain (SD) grains do not modify the palaeomagnetic direction carried by these grains. Palaeomagnetic direction from new SD grains, on the contrary, is that of the magnetic field during remagnetization. The resulting direction becomes intermediate between the directions carried by previous and new SD grains, as it appears often in case of a partial magnetic overprint. If the growth of pre-existing grains is more important, these grains become large multidomain (MD) and loose the primary magnetization. Stable magnetization is then only related to the new SD grains, which carry the total remagnetization. In the Illizi basin (Saharan platform), these different cases of partial or total magnetic overprint have been observed, resulting from palaeomagnetic studies of different Palaeozoic and Mesozoic formations.
27 citations
TL;DR: In this article, a network of small landers is deployed at the surface of Mars in order to study a wide range of properties of this planet, going from its deep interior structure to its atmosphere.
27 citations
27 citations
TL;DR: In this paper, a shallow-depth approximation model for lava flow advance and cooling on a quantized topography is presented, in which the rheological properties are assumed to be temperature dependent.
Abstract: Abstract A new shallow-depth approximation model for lava flow advance and cooling on a quantized topography is presented in this paper. To apply the model, lava rheology is described using a non-isothermal three-dimensional viscoplastic fluid in which the rheological properties are assumed to be temperature dependent. Asymptotic analysis allows a three-dimensional flow scenario to be reduced to a two-dimensional problem using depth-averaged equations. These equations are numerically approximated by an autoadaptive finite element method, based on the Rheolef C++ library, which allows economy of computational time. Here, the proposed approach is first evaluated by comparing numerical output with non-isothermal experimental results for a flow of silicon oil. Finally, the December 2010 eruption of Piton de la Fournaise (La Réunion Island) is numerically reproduced and compared with available data.
27 citations
Authors
Showing all 903 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Claude J. Allègre | 106 | 327 | 35092 |
| Paul Tapponnier | 99 | 294 | 42855 |
| Francesco Mauri | 85 | 352 | 69332 |
| Barbara Romanowicz | 67 | 284 | 14950 |
| Geoffrey C. P. King | 64 | 157 | 17177 |
| Yi-Gang Xu | 64 | 271 | 14292 |
| Jérôme Gaillardet | 63 | 199 | 14878 |
| François Guyot | 61 | 292 | 12444 |
| Georges Calas | 60 | 266 | 10901 |
| Ari P. Seitsonen | 59 | 212 | 45684 |
| Michele Lazzeri | 58 | 140 | 57079 |
| Bernard Bourdon | 58 | 118 | 9962 |
| Gianreto Manatschal | 56 | 200 | 10063 |
| Nikolai M. Shapiro | 56 | 154 | 15508 |
| Guillaume Morin | 55 | 156 | 7218 |