Study has shown that the primary rocks of metamorphic supercrustal rocks are mainly calc-alkaline volcanic rocks.
研究表明，变质上壳岩原岩主要以钙碱性火山（熔）岩为主。
The primary rocks are a series of intermediate-acid volcanics and carbonate formed in environment of rift valley.
原岩为一套在裂谷环境下形成的中酸性火山岩及碳酸盐岩。矿体的容矿岩石是镁质大理岩。
The primary rocks include the various sodium-rich volcanic rocks and the sedimentary rocks with sodium-rich volcanic materials which are well developed in the North Qilian eugeosyncline area.
区内含蓝闪石岩的原岩包括优地槽内发育的各类富钠火山岩、含富钠火山质的沉积岩。
Using some samples' kinetics parameter to the Permian source rocks of northeast of Sichuan Basin, simulates the primary hydrocarbon generation history and calculates hydrocarbon generating quantity.
将一些样品的动力学参数运用于川东北地区二叠系烃源岩，模拟其初次生烃过程，并进行初次生烃量计算。
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。
In the southern North China, the lower Paleozoic source rocks reached primary maturation at late Triassic and the secondary hydrocarbon generation did not occur at the Cenozoic.
南华北地区下古生界烃源岩在晚三叠世达到早成熟阶段，新生代基本未发生二次生烃作用。
The result of the primary migration simulation suggests that there are different carbon isotopic fractionation effects in the primary migration of different source rocks.
通过初次运移模拟实验证明了烃类在不同类型烃源岩中发生初次运移能够产生不同程度的物理碳同位素分馏效应；
This is attributable to the preservation of a part of the primary porosity in the rocks due to the formation of high porosity pressure.
这种现象产生的原因是保持了一部分原有孔隙度，而保持孔隙度的控制因素是形成高孔隙压力。
The extent of ree enrichment and differentiation is affected by ree concentrations and distributions in the primary granitoid rocks, weathering degree, etc.
REE在风化壳中富集分异受风化壳发育程度、花岗岩原岩中ree含量及其分布和分配的影响。
There are primary stylolite and secondary stylolite in sedimentary rocks.
沉积岩中的缝合线构造有原生和次生两种成因。
The studied results show that different secondary changes occurred in fluid inclusions of various rocks and no primary inclusion has been found.
研究结果表明：各类榴辉岩相岩石的流体包裹体均程度不同地发生了次生变化。未发现原生包裹体。
The heterogeneity and micro-fissures in source rocks are unfavorable to primary migration of oil and gas, which retained some oil gas within the source rocks forever as micro-reservoirs.
源岩层的非均质性和微裂缝对初次运移十分不利，它们把油气滞留在源岩层内使其成为微油藏。
In the research area, the primary surface formation are the Archeozoic - Proterozoic Jiaonan group there are kinds of Clastic rocks and Volcanic rocks in the metamorphite and Mesozoic Cretaceous.
研究区内出露的地层以太古界——元古界胶南群的各类变质岩和中生界白垩系各类碎屑岩和火山岩为主。
The primary and secondary pores of volcanic rocks provided reservoir space there. Volcanic rock may become cap rock under certain conditions.
火山岩原生和次生孔隙使其可成为储集层，在一定条件下可成为盖层。
Volcanics mainly growth gas pocket, primary rift and secondary rift, The secondary porosity of clastic rocks is much more developed.
火山岩储层主要发育气孔、原生裂缝、次生裂缝；碎屑岩则以次生孔隙为主。
The results show that the siliceous rocks intercalated with the coal seams were deposited from a hydrothermal medium through which germanium was enriched in the coal beds. The primary source...
研究结果表明，与矿化煤层互层的硅质岩为热水沉积成因，矿化煤层中的锗主要来自形成硅质岩的热水溶液，而这种热水溶液中的锗则主要由盆地基底的富锗花岗岩所提供。
Sedimentation controlled the textures of clastic rocks such as matrix, sorting and rounding, and further affected the texture of primary pores, which served as basement for later dissolution.
沉积作用控制了碎屑岩杂基、分选、磨圆等结构特征，进而控制了原生孔隙结构，为后期溶解作用的形成奠定了基础。
Moreover, the microorganism which was brought by permeable surface water degraded the primary kerogen in sedimantary rocks and could produce reducing matters. The precipitation and th…
同时，地表下渗的大气降水携带了细菌类微生物，对原生有机质进行生物降解，并生成硫化氢类还原物质。
Moreover, the microorganism which was brought by permeable surface water degraded the primary kerogen in sedimantary rocks and could produce reducing matters. The precipitation and th…
同时，地表下渗的大气降水携带了细菌类微生物，对原生有机质进行生物降解，并生成硫化氢类还原物质。
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