Because these elements content and their ratios in hydrothermal fluids of seabed shows greater than that in normal seawater, the hydrothermal fluids have some contribution to the enrichment of the organic matter.

• 因为在海底热流体活动区，上述元素含量以及元素比值要比正常海水偏大和偏小，说明在该区中上元古界烃源岩形成过程中，热水流体活动对有机质的富集具有一定的贡献。