The formation of secondary quartz, albitite, calcite and laumontite affected the storage physical properties of sandstone in different degrees.
次生石英、钠长石、方解石和浊沸石等的形成不同程度地影响了砂岩的储集物性。
To date, several such secondary craters have been found along Mexico's Yucatan Peninsula, and heat-shocked quartz has been found both in Mexico and in Haiti.
到目前为止，在墨西哥尤卡坦半岛已经发现了几个这样的二级陨石坑，而且，在墨西哥和海地都发现了热休克石英。
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.
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。
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。
Quartz, zircon, magnetite, gold are major constituents of littoral placers in Shandong province, while shell, ballstone, ilmenite, rutile being secondary.
山东省滨海砂矿以石英、锆英石、磁铁矿、砂金等为主，其次为贝壳、球石、钛铁矿、金红石等。
The formation of hollow secondary particles of xonotlite was controlled by kinetics. The dissolution speed of quartz is important in forming hollow secondary particles of xonotlite.
而中空二次粒子球的形成则是一个动力学控制过程，在整个成球反应过程中，石英粉的溶解速度是关键。
The formation of hollow secondary particles of xonotlite was controlled by kinetics. The dissolution speed of quartz is important in forming hollow secondary particles of xonotlite.
而中空二次粒子球的形成则是一个动力学控制过程，在整个成球反应过程中，石英粉的溶解速度是关键。
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