(Table 2) Composition of siderites from DSDP Holes 70-506G and 70-507B
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Sample 506 (1-23) is a hyalopilitic, fine-grained, highly vesicular basalt with rare plagioclase and clinopyroxene phenocrysts. It shows a 2-2.5-mm-wide black halo. Sample 507...
样品506(1-23)为具玻基细晶(hyalopilitic)结构的细粒高气孔玄武岩(basalt),含稀少的斜长石(plagioclase)与单斜辉石(clinopyroxene)斑晶(phenocrysts)。该样品呈现出宽度为2~2.5毫米的黑色晕圈。样品507……



