In the 3He- 3He/ 4He figure, all data points of nodules, cobalt crusts and sediments sit in or close to the mixing curve between the micrometeorite interplanetary dust particles (IDPs) and the terrigenous sediments.

• 在3 He- 3 He/4 He 图上,结核、结壳及深海沉积物的He 同位素数据点均沿着宇宙尘与陆壳物质的混合曲线分布。