It is first in continental sediment-loess that 16 microtektites and 3 ablated glassy Si-Mg microspherules were found. Th......

对于ODP提供的深海钻探573B孔始新统顶部-渐新统底部的地质样品进行了化学分析、等离子体光谱分析、等离子体质谱分析和微玻璃陨石......