总结含矿白云岩、富钾板岩和富钠岩石三者之间在成因方面的关系，认为其属于同一岩浆起源的碱性岩系。
The paper concludes genetic relationship between the ore-bearing dolomitite, K-rich slate and Na-rich slate and believes that they are one alkali rock series of comagmatic origin.
秦岭地区广泛分布有煌斑岩，其主要赋存于古生界志留系与泥盆系的粉砂质板岩中，大部分含金较高。
The lamprophyres are widely distributed in Qinling, which are mostly well auriferous. The lamprophyres are occurred in silty slates of Palaezoic Silurian and Devonian systems.
运用单弱面理论研究含单组结构面的板岩岩体抗压强度随结构面方位的变化情况，建立了相应的一维、三维抗压强度的变化规律。
Single discontinuity theory is used to analyze the change of rock mass strength with the discontinuity inclinations; and the relationship between them is set up to explain the compression results.
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