该“潜伏”脉带的金矿化限于寒武系以硅质岩为顶板的碳质页岩中,明显受成矿前产生的韧性剪切带控制。
Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.
硅质岩中硅、氧同位素也显示其热水成因之特点。
The Silicon and Oxygen isotopes also demonstrate the characteristics of hydrothermal origin.
研究了多孔硅质岩矿粉掺入到普通硅酸盐水泥中对水泥性能的影响。
The effect of porous silicon rock powder mixing with ordinary Portland cement on properties of cement is studied.
油浸显微镜下鉴定硅岩中的干酪根组成多为有机质碎片和微粒体,并显示微弱的各向异性。
Microscopic studies of the kerogen from the chert samples show that the main components of the kerogen are organic fragments and microsome with weak anisotropy.
太原群灰岩中的燧石结核或条带是在成岩作用阶段经硅质交代成因的。
In limestone of Taiyuan Group, Origin of nodular chert and banded chert is that they had been replaced in diagenesis phase.
本文对深海硅质岩系中这一界线地层牙形石动物群特征进行了简要的描述。
We also concisely described the characteristics of the conodont fauna through the boundary strata.
通过对拉尔玛金矿热水成因硅质岩中分子古生物学的研究,指出硅质岩中与金关系密切的生物母源为海生低等菌藻生物。
Molecular paleontology in thermal chert in Laerma gold deposit shows that the organic precursors intimately associated with gold are marine bacteria and algae.
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。
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。
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...
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