报道马坝人地点南支洞次生碳酸盐岩和骨化石样的铀系年代。
This paper reports the U-series dating results of calcites and mammalian fossils from Southern Branch Cave of Maba hominid site.
经历过碳酸盐化作用的碳酸盐颗粒显示出伪六边形的微晶结构，其次生孔隙发育不良。
Grains of carbonate experienced marmorization show pseudo - hexagonal poikilitic structure with poorly developed secondary pores.
储层以原生剩余粒间孔隙为主，长石及早期碳酸盐胶结物的溶解是形成次生孔隙的主要原因。
The main pore type of the reservoir is primary remained intergranular pore, the dissolution of the feldspar and early carbonate cement results in the secondary pore.
孔隙类型主要为长石、岩屑及碳酸盐胶结物溶蚀形成的次生孔隙；
Most of pores are secondary ones which mainly generated from dissolution of feldspars, lithoclasts and carbonate cements.
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 porosity increasing is primarily due to the resolution of carbonate so that a large amount of the secondary pore space is resulted.
以超微技术手段研究细粒碳酸盐岩的结构，可探讨其多种原因，成岩次生变化和孔隙类型，并对其储集性能进行评价。
Studying fine-grained carbonate rocks by ultra-technique can inquire into its various origin, secondary change in diagenesis and type of pores and evaluate its reservior properties.
碳酸盐岩次生渗透性是成岩作用、构造作用、水动力作用及生物化学作用的综合结果。
The secondary permeability of carbonate rocks is the result of comprehensive process of diagenesis, tectonics, hydrodynamics as well as of biochemistry.
胶结作用表现为石英和长石的次生加大、自生粘土矿物、碳酸盐和硬石膏胶结物的依次形成并充填孔隙。
Cementation is showed by the secondary enlargement of quartz and feldspar, the successive formation and pores filling of cementing material of authigenic clay mineral, calcite and anhydrite, etc.
不含油的砂岩和灰岩碳酸盐胶结和颗粒次生加大作用明显加强，物性和孔隙结构差，基本上失去了储集性。
The limestones and sandstones without oil were obviously strong in calcite cementation and grain growing. so they had poor storage property and pore-constructures. and even lost storage capacity.
不含油的砂岩和灰岩碳酸盐胶结和颗粒次生加大作用明显加强，物性和孔隙结构差，基本上失去了储集性。
The limestones and sandstones without oil were obviously strong in calcite cementation and grain growing. so they had poor storage property and pore-constructures. and even lost storage capacity.
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