矿物组合
- 网络mineral assemblage;mineral association;mineral paragenesis
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矿田具有空间分带规律:从西到东,矿物组合由中高温到中低温矿物组合;元素由Mo、Cu到Au、Ag;成矿的深度由大到小。
The ore field has zonation regularity in space . From west to east , the mineral assemblage is corresponding from medium-high temperature to medium-low temperature mineral assemblage , element assemblage is from Mo and Cu to Au and Ag , and the mineralization depth is from deep to shallow .
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通过花岗岩-HF-H2O体系的熔化-结晶实验,在570~700℃、100MPa条件下获得了与淬火玻璃共存的石英+碱性长石+云母+萤石的矿物组合。
A mineral assemblage of quartz + alkali feldspar + mica + fluorite , coexisting with melt phase , is obtained in the melting crystallization experiments above solidus in the F rich granite HF H2O system at 570 ~ 700 ℃ and 100 MPa .
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CO2注入砂岩后的典型自生矿物组合
Typical authigenic mineral assemblages after co_2 injected into sandstone
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矿物组合和Zn/Pb比值有分带性。
Zoning is shown on both mineral assemblages and Zn / Pb ratios .
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依据不同矿物组合,运用Q型聚类分析,将研究区划分为五个矿物区。
Based on the distinct mineral assemblages , the study area herein is divided into five mineral zones .
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北部湾VI钻孔岩芯的重矿物组合研究
A study on heavy mineral assemblages of Xi core sediment samples in the Beibu Gulf
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Ph剖面与海滩表层沉积物中的重矿物组合基本上一致,说明该区物质来源没有变化,具有继承性的特点。
Ph and beach sediments have the same heavy mineral , this shows that there is no change in origin , which has the feature of succession .
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这些早期残留的矿物组合指示了其变质作用具有逆时针近等压冷却(IBC)的P-T演化特征,反映了它们的形成是一个埋深期间前进加热的进变质作用过程。
These remnant mineral associations indicate that their metamorphism takes on characteristics of anticlockwise near isobaric cooling ( IBC ) P T evolution , also reflect a prograde metamorphic formation process of prograde heating during burial .
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形成这种岩石地球化学特征的可能机制为:碳酸岩浆直接来源于岩石圈富集地幔的低程度部分熔融作用(F<1%),残留地幔矿物组合以富含柘榴石为特征;
The carbonatite may be produced by mechanisms as follows : the carbonatite magma is directly formed by very low degree ( F < 1 % ) partial melting of enriched lithospheric mantle , leaving residual minerals characterized by abundant garnet ;
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贵州遵义和湖南张家界黑色岩系中的矿物组合非常复杂,用X射线衍射仪分析并结合前人的研究成果,显示其中的硫化物矿物、粘土矿物和有机质含量较高;
The mineral assemblages are very complex in the Lower Cambrian black shale in Zhangjiajie of Hunan and Zunyi of Guizhou . X - ray diffraction analysis combined with previous research results shows that the contents of sulfide minerals , clay minerals and organic matter are relatively high .
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水系沉积物Mo、Cu、Pb、Zn稳定组合异常与重砂测量高温热液矿物组合异常的重叠部分可作为成矿母岩与工业钼矿体的推断依据。
The overlapping parts between the stable combination anomaly of stream sediment survey of Mo , Cu , Pb , Zn and the hypothermal mineral combination anomaly through heavy fraction surveying can be taken for foundation to infer mineralization mother rocks and industrial ore bodies .
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副矿物组合为Mt-Ap-Zi型。
Accessory mineral assemblages are Mt-Ap-Zi .
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不同植被类型土壤风化速率及主导风化矿物组合类型的剖面差异主要受制于直径≤1mm的须根在剖面中的缠绕分布特征。
For the same vegetation type , minerals weathering rates and differences of the dominant weathering minerals type in soil profiles were mainly depended on the distribution and winding characteristic of plant roots of ≤ 1 mm in diameters .
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矿物组合的地球化学分析表明,现有Fe-Ni-S体系低温(<300℃)相平衡图解之间存在着矛盾的原因可能是忽略了氧化-还原条件的影响。
The geochemical analysis of the mineral associations indicates that the contradiction between the lower temperature phase diagrams ( < 300 ℃ ) in the Fe-Ni-S system , published hitherto , is due to the ignored influence of the oxidation reduction condition .
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而所得的初始值(40Ca/42Ca)i为151.4160.003,相应的xCa值为+26.5,示踪了该矿物组合的原岩具有陆源性质,为固体地球化学的研究提出了新的判据。
The primitive ratio ( 40Ca / 42Ca ) I deduced from the isochrone is 151.4160.003 , corresponding to + 26.5 of the xCa value . It means that the original rock of the biotite and hornblende minerals appears in the terrestrial behavior .
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地表氧化矿石矿物组合简单;
The composition of oxide ores on the surface is simple .
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矿石的金属矿物组合为黄铁矿方硫镍矿辉砷镍矿辉锑矿闪锌矿,镍矿化属于中低温热液矿化。
Pyrite_vaesite_gersdorffite_stibnite_sphalerite makes up the metallic mineral assemblage of the nickel ore.
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矿物组合简单,矿石中金的浸出率高。
The rate for gold lixiviation from the ore is high .
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神农架自然保护区土壤的研究Ⅲ.神农架垂直带土壤粘粒矿物组合及其特点
The clay mineral association and characteristics in the Shennongjia mountain area
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三都海湾粘土矿物组合特征与沉积环境
Combination characteristics and sedimentary environment of clay minerals in Sandu Bay
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翡翠矿石类型及其矿物组合特征
The One Types and the Mineral Association of Jadeite Jades
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矿石具脉状、网脉状和角砾状构造,发育有特征的矿物组合、元素分带。
The structure of ore are of vein , stockwork and breccia .
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湄洲湾重矿物组合及分布特征
Assemblages and distribution characteristics of heavy minerals in Meizhou Bay
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吕宋岛东部海域黏土矿物组合特征及物源分析
Assemblage and provenance of clay minerals off the east of Luzon Island
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介壳生物化石矿物组合的热力学分析
Thermodynamic Analysis of the Mineral Assemblages of Shell Fossils
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发育典型的低温夕卡岩矿物组合,其形成温度小于300℃;
Typical low temperature ( < 300 ℃) mineral assemblage developing in skarn ;
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两种环境下形成的自生矿物组合截然不同。
Authigenic mineral assemblage formed in different ambients is distinct to each other .
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重矿物组合及结构成熟度和成分成熟度分析均得以验证。
Heavy minerals combination and textural maturity and compositional maturity verify the view .
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西洋岛海域粘土矿物组合特征与环境意义
Compositional features of ciay minerals in seawaters off Xiyang island and sediment environment
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玄武岩风化剖面中粘土矿物组合存在规律性变化。
The composition of clay minerals exhibits regular change in weathering profiles of basalts .