Magnetic mineralogy and geochemistry of ODP Holes 137-504B and 140-504B samples
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Leg 140 of the Ocean Drilling Program deepened Hole 504B to a total depth of 2000.4 m below seafloor (mbsf), making it the deepest hole drilled into ocean crust. Site 504, south...
大洋钻探计划(Ocean Drilling Program)第140航次将504B号钻孔加深至海底以下2000.4米(mbsf)的总深度,使其成为迄今全球钻入洋壳的最深钻孔。504站位(Site 504)位于……以南……



