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  distorted crystal
Using the proposed method, it is possible to calculate the function describing structural distortions and to determine the displacements of atoms in the distorted crystal planes.
      
In the next step, the magnetostriction is taken into account to derive the internal energy of a distorted crystal.
      
It is shown how the non-Euclidean geometry of distorted crystal structure, as well as the basic assumptions of the phenomenological plasticity theory concerning the deformation of a continuum, are related to those theories.
      
When the nanocell is rapidly compressed, a metastable state with a strongly distorted crystal lattice arises, which transforms to an amorphous state with significant amounts of heat released.
      
The higher thermal diffusivity of the β-phase is attributed to its higher purity level and the less distorted crystal structure compared to theα-phase.
      
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The study of accessary minerals in acidic granitoids from the Hongluoshandistrict, has revealed some mineralogical markers of molybdenum-bearing pot-ential of certain rock bodies. The most typical mineral assemblage in molybdeum-bearing rock bodies inthis area is chalcopyrite-zircon-rutile-molybdenite or sulphide-molybdenite-zi-rcon-apatite. This kind of assemblage is characterized mainly by extremely lowmagnetite relative to hematite, extensive occurrence of lencoxene or rutile intitano-minerals, and increasing...

The study of accessary minerals in acidic granitoids from the Hongluoshandistrict, has revealed some mineralogical markers of molybdenum-bearing pot-ential of certain rock bodies. The most typical mineral assemblage in molybdeum-bearing rock bodies inthis area is chalcopyrite-zircon-rutile-molybdenite or sulphide-molybdenite-zi-rcon-apatite. This kind of assemblage is characterized mainly by extremely lowmagnetite relative to hematite, extensive occurrence of lencoxene or rutile intitano-minerals, and increasing sulphides, such as molybdenite and chalcopyrite.Evidently, the accessary minerals in ore-bearing rock bodies are obviously ofmultiphase and multigeneration. Morphologically, such accessary minerals aszircon, pyrite, magnetite and so on generally take the form of broken grains.What should be particularly emphasized is that when zircon occurs as flat la-ths and distorted crystals there is a possibility to find molybdenum deposits inrock bodies. This may be considered as an indirect marker, and extensiveoccurrence of molybdenite and high molybdenum in other sulfides as direct ma-rkers of molybdenum mineralization. Regular changes in unit-cell parameters ofmagnetite and apatite in ore-bearing and ore-barren rock bodies are also a mi-neralogic marker of Mo-bearing potential of a rock body.

通过对虹螺山一带酸性花岗岩类副矿物的研究,获得了一些岩体含钼性的矿物学标志。 区内含钼岩体最典型的副矿物组合是黄铜矿-锆石-金红石(白钛石)-辉钼矿型或硫化矿物-辉钼矿-锆石-磷灰石型。这种组合类型以含磁铁矿极微,且赤铁矿量大于磁铁矿,钛矿物中出现大凰白钛石或金红石,辉钼矿、黄铜矿等硫化矿物增多为其特征。含矿岩体副矿物明显具有多期性和多世代性。在形态上普遍成破碎颗粒状,特别是当锆石出现扁板晶、歪晶等形态时,对区内寻找钼矿具有标志意义。副矿物中钼浓度显著增高是岩体含钼性的微量元素标志,早期晶出的锆石等副矿物食钼较高,标示岩体有钼成矿的可能性,而辉钼矿的大量出现或其他金属硫化物含钼较高则可视为钼成矿的直接标志。含矿岩体和非含矿岩体中磁铁矿、磷灰石晶胞参数有规律性地变化,也是岩体含钼性的一种矿物学标志。

Most gold in the various gold ore deposits in Shandong occurs as mineral serials of gold-silver solid solution. The percentages of gold in differnt goldsilver grains from the same deposit can vary n oticably and continuously,nomely,from 96.99%,to 26.44% whieh is closely related to the meneogenetic conditions, especially to the temperature. It is common that minerals of electrum and native gold present in the gold deposits in Eastern Shandong contain Sb, Se and Hg; while those in Western Shandong contain Bi,...

Most gold in the various gold ore deposits in Shandong occurs as mineral serials of gold-silver solid solution. The percentages of gold in differnt goldsilver grains from the same deposit can vary n oticably and continuously,nomely,from 96.99%,to 26.44% whieh is closely related to the meneogenetic conditions, especially to the temperature. It is common that minerals of electrum and native gold present in the gold deposits in Eastern Shandong contain Sb, Se and Hg; while those in Western Shandong contain Bi, Hg and other trace elements instead .Both electrum and native gold are in close association with sulfides, and are distributed as inclosions in other minerals, in the interstices of grains and cracks of ores.On more occasions,the electrum and native gold occur as rounded or irregular grains, flakes, branchec, filiform, etc. However, in some deposits, especially those of skarn types, one can find well-preserved octahedrons, tetrahedrons, cubes, rhombo-dodecahedrons of gold and their compinake crystals and ditorted crystals in various forms. As can be easily seen, thephysical properties of the gold minerals, such as colour, specific gravity, hardness, reflectance, unit cell parameters, etc. are dependent upon the variations of the Au/Ag rat os as well.

山东的各类金矿床中的金,绝大多数是以金银固溶体系列矿物出现。在相同矿床中不同金的颗粒金银的比例变化很大,且呈连续变化,即含金量由96.99%到26.44%。这种变化与成矿条件,特别是与温度关系密切。胶东地区银金矿、自然金中普遍含有Sb、Se、Hg,而鲁西地区则含Bi、Hg等微量元素。银金矿、自然金与硫化物关系密切,且都呈包体状态或晶隙,裂隙状态分布于矿石中。银金矿,自然金多呈不规则的粒状、片状、树枝状、园粒状、丝状等,但在不同矿区,特别是矽卡岩型矿区中见到了完好的八面体、四面体、立方体和菱形十二面体以及它们的不同形态的聚晶与歪晶。这些矿物的颜色、比重、硬度、反射率以及晶胞参数等物理特征与金银含量比变化有明显关系。

 
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