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Scientists find ancient 250-million-year-old seafloor from the time of dinosaurs hidden in Earth’s mantleTo make this discovery, Wang’s team used seismic waves — vibrations caused by earthquakes — to create cross-sectional maps of ...
1. Figure 1: Map of the northern Cascadia subduction zone showing the distribution of earthquakes in the subducting Juan de Fuca plate and the locations of seismic cross-sections. Green dashed line ...
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Scientist claims there's 'many more ancient structures waiting to be discovered' as lost chunk of seafloor foundThey used seismic waves to examine the types of rock beneath the seafloor and create a digital cross-section of Earth's crust and mantle. Their exploration revealed an unusually thick mantle ...
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