initial compaction stage 初期压实阶段
compaction stage of argillaceous sediment 泥沉积物压实阶段
close compaction stage 紧密压实阶段
steady compaction stage 稳定压实阶段
saltatory compaction stage 突变压实阶段
In the stage of compaction by initial damage, density damage increment of sandstone is positive and the rate ia positive.
在初始损伤的压密阶段，砂岩的密度损伤增量为正值，速率也为正；
Researches show that in the early stage of sandstone diagenesis, compaction, pressure solution, cementation and replacement reduce both the porosity and the permeability.
研究表明，砂岩层内的早期成岩作用(压实、压溶、胶结和交代作用)使孔隙度和渗透性降低。
The Tertiary in the Aerjin Slope in Caidam Basin is characterized by strong carbonate recrystallization, weak compaction, weak quartz overgrowth and enrichment of the early-stage carbonate.
在柴达木盆地阿尔金斜坡第三系地层中，砂岩中碳酸盐重结晶强烈、压实程度弱、石英自生加大较弱、早期碳酸盐胶结物发育。
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