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通过沉积物孔隙水中碳酸盐溶解平衡关系的研究，说明碳酸盐含量可作为沉积作用过程的环境记录；碳酸盐同位素组成取决于水溶液无机碳的13C/12C，一定深度的碳酸盐同位素组成保存了一定时段的环境信息；通过分拉级和分阶段取气的同位素分析，可望辨识不同成因类型的碳酸盐。
Through the study of carbonate dissolution equilibrium relationship in sediment pore water, the carbonate content can be used as the environmental record of sedimentary process. The carbonate isotopic composition depends on the 13C / 12C of inorganic carbon in aqueous solution and a certain depth of carbonate isotope Composition of the preservation of a certain period of environmental information; by grading and staged gas isotope analysis, is expected to identify different genetic types of carbonate.