Geochemistry, SiO2 minerals and isotopes at DSDP Hole 72-516F

Cherts recovered during DSDP Leg 72 from Rio Grande Rise sediments (Site 516) consist of both cristobalite and quartz, and contain ghosts of foraminifers and (more rare)...在深海钻探计划（Deep Sea Drilling Project, DSDP）第72航次中，从里奥格兰德海隆沉积物的516站位回收的燧石（chert），同时由方石英（cristobalite）和石英（quartz）组成，并留存有有孔虫（foraminifers）的化石遗迹，且（更为罕见的……）