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The separation of the geomagnetic field originated in the core, in the asthenosphere, and in the crust
dynamo spatial spectrum white spectrum Lowes’ law Nevanlinna’ s law Hamilton’ s principle geomagnetic anomalies inner core outer core asthenosphere
2015/10/8
The separation of the field produced by different internal sources can be accomplished by means of the so-called spatial spectrum of the geomagnetic field of internal origin. It is shown how such a ra...
The evidence for the existence of significant rigidity in the Earth's inner core is summarised and discussed in the light of recent work. Quantum-mechanical calculations, based on a Thomas-Fermi-Dirac...
Earth's surprise inside: Geologists unlock mysteries of the planet's inner core
Earth's surprise inside Geologists unlock mysteries planet's inner core
2015/3/4
Seismic waves are helping scientists to plumb the world’s deepest mystery: the planet’s inner core.Thanks to a novel application of earthquake-reading technology, a research team at the University of ...
Observation of Core PhaseScSfrom theMw9.0 Tohoku-Oki Earthquake with High-Rate GPS
Core PhaseS Me9.0 Tohoku-Oki Earthquake High-Rate GPS
2014/4/9
High-rate Global Positioning Systems (GPS) observations can record ground motions from moderate to strong earthquakes at distances of a few kilometers up to thousands of kilometers(Larsonet al., 2003;...
Rolling hills on the core–mantle boundary
core–mantle boundary (CMB) iron-rich (Mg,Fe)O USArray low velocity zone
2014/4/10
Recent results suggest that an iron-rich oxide may have fractionally crystallized from a primordial magma ocean and settled on the core–mantle boundary (CMB). Based on experimental results, the presen...
Characteristics of chlorites in seismogenic fault zones: the Taiwan Chelungpu Fault Drilling Project (TCDP) core sample
Characteristics of chlorites seismogenic fault zones Taiwan Chelungpu Fault Drilling Project core sample
2010/9/28
The iron content and the asymmetry of iron and magnesium ions in chlorites are examined for the Chelungpu Fault in Taiwan, which is a seismogenic fault. The samples are collected from the cores drille...