Iron X-ray fluorescence (XRF) scannings of ODP Holes 165-1001A and 171-1050C

Abstract: Ocean Drilling Program Sites 1001A (Caribbean Sea) and 1050C (western North Atlantic) display obliquity and precession cycles throughout polarity zone C27 of the late...摘要：大洋钻探计划（Ocean Drilling Program）的1001A站位（加勒比海）与1050C站位（北大西洋西部）的沉积岩心记录，在晚[原文未完整收尾]的C27极性带（polarity zone）范围内，均呈现出黄赤交角（obliquity）与岁差（precession）周期信号。