Ophiolitic podiform chromitites for a long time have been considered as ＂cumulates＂ formed by harzburgite- melt interaction and related melt mixing at the upper part of the suboceanic mantle to the Moho transition z...Ophiolitic podiform chromitites for a long time have been considered as ＂cumulates＂ formed by harzburgite- melt interaction and related melt mixing at the upper part of the suboceanic mantle to the Moho transition zone. Within many existing concepts, which are in a focus of this workshop, there is one suggesting that some portion of chromitites originate from deep mantle,展开更多
For 50＋ years after the discovery of deep earthquakes in the 1920s, their causal mechanism was one of the major unsolved problems of geophysics. It was clear that the physics that explains shallow earthquakes could n...For 50＋ years after the discovery of deep earthquakes in the 1920s, their causal mechanism was one of the major unsolved problems of geophysics. It was clear that the physics that explains shallow earthquakes could not apply to deep ones because the pressure is too high at 〉-50kin to allow a fault to move, even if you could initiate one.展开更多
文摘Ophiolitic podiform chromitites for a long time have been considered as ＂cumulates＂ formed by harzburgite- melt interaction and related melt mixing at the upper part of the suboceanic mantle to the Moho transition zone. Within many existing concepts, which are in a focus of this workshop, there is one suggesting that some portion of chromitites originate from deep mantle,
文摘For 50＋ years after the discovery of deep earthquakes in the 1920s, their causal mechanism was one of the major unsolved problems of geophysics. It was clear that the physics that explains shallow earthquakes could not apply to deep ones because the pressure is too high at 〉-50kin to allow a fault to move, even if you could initiate one.
