A 2000 year difference between the 14C ages of fossil and organic soil matter might indicate that a sediment gap exists, which is very important when reconstructing paleoclimate by loess section.

• 由于同一层位骨化石、土壤有机质、土壤无机质14C测年结果差异，在进行化石年代确定、考古及古文明研究、生态植被恢复、土壤无机碳存储库研究中，年龄的界定应选择相应的测年数据。