岩角

The rock types mainly include basalt, andesite, dacite and little rhyolites, lava breccia etc. The rocks have the following chemical composition: SiO2, 48.49%-74.52%, with a mean value of 60.87%, Al2O3 majority between 14.5%-18.86%, K2O mean contents 1.99%.

主要岩石类型为玄武岩、安山岩、英安岩及少量流纹岩、火山角砾岩等，SiO2=48.49%~74.52%，平均60.87%，Al2O3多数在14.5~18.86之间，K2O含量平均为1.99，显示钙碱性系列特征。

Oxygen isotope temperatures of the eclogite mineral-pairs are cumulated at two peak values of 600 to 640℃ and 380 to 430℃, respectively, corresponding to retrograde reequilibration at greenschist-facie and high amphibolite-facies conditions; the peak eclogite-facies temperatures of 750 to 800℃ cannot be retrieved due to the strong retrograde alteration.

石马和黄镇榴辉岩的矿物对氧同位素温度均给出两个峰值： 380～430℃与绿片岩相变质条件一致，600～640℃与高角闪岩相变质条件一致；给不出峰变质温度(750～800℃)是由于岩石经历了退变质流体的强烈改造作用。

Haolibao copper-molybdenum deposit is of hydrothermal vein and porphyry type related to the Yanshanian crypto-explosive breccia-plagioclase granite porphyry and cataclastic sub-quartz-porphyry.

好力宝铜钼矿床属与燕山期隐伏的隐爆角砾状斜长花岗斑岩和碎裂次石英斑岩有关的热液脉状和斑岩型矿床。

Early Precambrian metamorphic complex, composed of khondalite series, BiHb gneiss series, granulite series and metamorphosed plutonic intrusions inside the supracrustal rocks, are well developed in Daqingshan area.

内蒙古大青山地区普遍发育由孔兹岩系、黑云角闪片麻岩系、麻粒岩系和侵位其中的变质深成岩构成的高级变质杂岩。

The heavy mudstone layers in Third Member of Shahejie Formation (Es3) provide favorable hydrocarbon source rock and cap formation, diabase and hornfels belts serve as reservoirs, faults and microcracks in the wall rocks as the pathways for oil and gas migration.

沙三段厚层生油岩为火成岩储层提供了良好的烃源岩和封盖层；辉绿岩及角岩带为主要的储层带；断层及围岩中的微裂缝为油气运移提供运移通道。

OGa. The 1863士44Ma U-Pb age of migmatite and 2071士48 Sm-Nd iso- chron age of amphibolite in Sanzhishu demonstrate that at least part of the "Hexi" Group is of Early Proterozoic rather than Late Paleozoic.

三枝树地区"鹤溪群"中混合岩年龄为1863±44Ma，斜长角闪岩全岩矿物Sm－Nd等时线年龄为2071±48Ma，表明景宁三枝树地区变质岩的时代应为早元古代，并非原来所属"鹤溪群"划归的晚古生代，这套变质岩可能是浙闽变质基底的一部分。

In this area, foliated metamorphic rocks include slate, phyllite, schist and gneiss. Nonfoliated metamorphic rocks include marble , quartzite and amphibolite.

在该区出露的面理化的变质岩有板岩、千枚岩、片岩和片麻岩，出露的非面理化变质岩有大理石、石英岩、斜长角闪岩。

According to core observation and description, many deformation structures with seismite characteristics are recognized within sandstone and shale sedimentary strata of Paleogene continental faulted basin in Yangxin Subsag, such as micro-faults, earthquake fissures, liquefaction sandstone veins, water-escape structure, vibrational liquefaction deformation structure, seismic pillow structure and associated structure, etc. The vertical sequence of seismites in Yangxin Subsag, in ascending order, is underlying unshocked layer, micro-faults layer, autoclastic shattered breccia layer, vibrational liquefaction deformation structure layer, seismic pillow structure and associated structure layer, liquefied homogeneous layer and overlying unshocked layer, which corresponds to different earthquake intensity respectively.

通过岩心观察和描述，在阳信洼陷古近系陆源碎屑断陷湖盆砂泥质沉积地层中识别出大量具有震积岩特征的变形构造，如微断层和震裂缝、水下岩脉和泄水构造、振动液化卷曲变形构造、震积枕状层及伴生构造等，同时建立了阳信洼陷震积岩垂向序列，自下而上分别是下伏未震层段、微断层层段、震碎角砾岩段、振动液化卷曲变形层段、震积砂枕及伴生构造层段、液化均一层段和上覆未震层段。

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制；系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成；同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

At first it analyzes the bedding rock slope"s bedded rock and its incontinuity face, and studies the stress, strain, stability"s condition of the bedding rock slope, fully considering the cohesive force of rock layer and incontinuity face.Geologic mechanics models of two types of bedding rock slope are set up, the instability coefficient of bedding rock slope under different mechanical parameters is computed, and the conclusion that the stability of bedding rock slope is relation to rock layerer, cohesive force of incontinuity face, inner friction angle and rock layer obliquity has been gotten.

本文首先对顺层边坡的层状岩体及其中的层理面和不连续面进行了分析，对其应力应变进行了研究，得出了顺层边坡的稳定性不仅与岩体中岩石的强度有关，还与岩体中层理面及不连续面的内聚力、内摩擦角及其倾角有关；论文建立了层理面和节理面的地质力学模型，讨论了其力学参数变化对边坡稳定性的影响，并在此基础上将层理面和节理面归纳为顺层边坡稳定性的结构面影响因素，同时讨论了影响顺层边坡稳定性的其他因素，从而得出顺层边坡稳定性的评价预测指标。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。