secondary pore-space 次生孔隙
The porosity increasing is primarily due to the resolution of carbonate so that a large amount of the secondary pore space is resulted.
而碳酸盐的溶解作用形成了大量次生孔隙空间，增加了砂岩的孔隙度。
The compactionand secondary enlargement of quartz lead to the great decrease of primary porosity of clastic rocks, and dissolution is contributed to the formation of secondary pore space.
压实作用和石英的次生加大使碎屑岩的原生孔隙度极大的降低，溶解作用是次生孔隙形成的主要因素。
It is pointed out that reservoir space of conglomerate is composed of primary intergranular pore, hole and fracture, secondary denudation pore and structural fracture.
指出，砾岩的储集空间为原生砾间孔、砾间洞、粒间缝、次生溶蚀孔和构造缝。
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