查询词典 strata

Shenglihe oil shales orientating in NWW-SEE with about 30 kilometers in length are located in the transitional belt between north Qiangtang basin and central uplift belt. The oil shales deposited in Upper Jurassic-Lower Cretaceous marine carbonates and are overlain by tremendous gypsum-salt strata.

胜利河油页岩位于北羌塘盆地与中央隆起之间的过渡带上，呈北西西-南东东向展布，长约30 km，赋矿地层为上侏罗-下白垩统海相碳酸盐岩，其上被厚层膏岩盐覆盖。

The strata of slopes are all overstrong weathered, 20～40m in thickness, and are of lower physical mechanical strength.

岩层以全—强风化层为主，厚度20～40m，其物理力学性质大大降低，边坡可能发生平面破坏和圆弧破坏等2种破坏模式。

Based on this idea, the author has chosen two typical loess sections of Luochuan, and Xifeng for this study, collected the successive loess columns; To probe the conditional experiments of BeO sample preparation and measurement, and improve the existing method; On the basis of the technology improvement, the author has finished 402 samples' BeO preparation and AMS measurement; Also at the same time, to separate quartz from samples at 1 cm interval for both Luochuan and Xifeng sections systematically, to carry out measurements of quartz grain-size, SUS, grey scale, carbonate content and bulk sample density; By using the grain size model, the author has set up the chronological framework for both Luochuan, and Xifeng sections and the time sequence of millennial scale abrupt climate events recorded in loess strata, and reconstructed the East Asian monsoon history over 130ka by using multi proxies; Finally, to discuss the possible mechanisms of palaeoclimatic changes tentatively.

详细地球科学的发展离不开高精度和高分辨率的研究。运用长寿命核素如〓Be作为环境过程的示踪，已成为不可替代的有效工具。本论文选择洛川、西峰两个典型的黄土剖面，连续采集柱状样；探索了BeO样品制备、测量的条件实验，改进了原有的方法，完成了402个BeO样品的制备和AMS测量；同时还系统地分离洛川、西峰剖面高分辨率（1cm）黄土、古土壤样品中的碎屑石英，测量了碎屑石英粒度，以及全样的磁化率、灰度、碳酸盐含量和容重等古气候代用指标；采用粒度年代模式建立了洛川剖面和西峰剖面的年代标尺，建立了黄土地层记录的千年尺度的气候突变事件的时间序列，多指标重建了最近130ka东亚季风变迁史；初步讨论了古气候变迁的可能机制。

The result of the basin's tectonic differentiation and the development of the salt-bearing strata indicate that in Palaeogene ang Neogene, the Kuqa basin had already had the tectonic environment in which the potash evaporite formed.

从盆地的构造分异结果及其控制的含盐系和其中石盐岩的发育特征来看，古近纪和新近纪库车盆地已具备钾盐蒸发岩形成的构造条件。

There are a lot of phosphorus/uranium deposits in marginal basins along Yangtze platform , hosted in Early Cambrian strata and controlled by some specified paleogeographic and paleostructural positions.

大量磷铀矿床产于扬子地台边缘海盆，含矿岩系为下寒武统，矿床产出在适宜的岩相古地理与古构造部位，分东西两个成矿带。

Different scales of basalt was developed in the major hydrocarbon-generating strata of Binnan area, the Dongying Depression of the Bohaiwan Basin , which composed basalt-source rock paragenetic association.

渤海湾盆地东营凹陷滨南地区主力生油层中发育规模不等的玄武岩，形成了玄武岩-烃源岩共生组合体。

Xigeda strata lithology could be classed to sandstone and mudstone. Sandstone is classed to packsand and pelitic siltstone. The mudstone is mostly silt mudstone.

西攀路昔格达地层岩性为砂岩和泥质两大类，砂岩又可细分为细砂岩、泥质粉砂岩：泥岩主要为粉砂质泥岩。

Much attention is paid to petrologic recognition marks and distribution regulation of volcanic event strata in coal-bearing sequences of Taiyuan formation in the middle of North China.

研究了华北中部太原组含煤地层中火山事件层的岩石学识别标志和分布规律。

Much attention is paid to petrologic recognition marks and distribution regulation of volcanic event strata in coal-bearing sequences of Taiyuan formation in the middle of North China.

概要：桑树勋刘焕杰贾玉如摘要研究了华北中部太原组含煤地层中火山事件层的岩石学识别标志和分布规律。研究结果表明：含煤地层中广泛发育火山事件层。

In the detrital zircon sample FH4, which was collected from lower sandstones of the Fanghushan Formation, the oldest sedimentary strata of the Hefei Basin. HP-UHP mineral inclusions such as coesite, omphacite, phengite and melt inclusions, and other minerals like apatite, quartz, feldspar, white micas were identified by means of micro-laser Raman spectrometer and electron probe.

防虎山组的下部砂岩地层是合肥盆地最古老的中生代沉积地层，在样品FH4中选出了碎屑锆石，通过显微激光拉曼光谱、电子探针的研究发现，锆石中含有柯石英、绿辉石、多硅白云母等典型的高压－超高压矿物包裹体、熔体玻璃包裹体以及磷灰石、石英、斜长石、白云母等矿物包裹体。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失