| 1. | Channels are incised by streams into the underlying red siltstones . 古河道由水流切割而侵入下伏的红色粉砂岩中。 |
| 2. | Test study on remote sensing archaeology of ancient river course and city in kaifeng 开封市古城址和古河道遥感考古试验研究 |
| 3. | Application of multi - attribute analysis to the identification of river palaeochannel in the thin interbeded reservoir 多属性分析技术在薄互层条件下识别古河道的应用 |
| 4. | Large scale salt - water intrusion has been occurred since late 1970 ' s due to freshwater exploitation by human activity 20世纪70年代末期以来,随着对地下淡水的过度开采,淡咸水水头压力差减小,卤水通过古河道砂层快速南侵。 |
| 5. | This paper introduces some effective prospecting methods including geologic , geochemical and geophysical , and drilling methods according to basic characteristics of paleochannel sandstone - type uranium deposit 鉴于古河道砂岩型铀矿的特征,本文介绍了几种主要的地质、物化探及钻探等勘查方法。 |
| 6. | Abstract : the paleochannel sandstone - type uranium deposit which can be exploitated by low - cost in - situ leach technology is one of the most economic and competitive uranium resources in recent uranium industry 文摘:可采用低成本、原地浸出工艺开采的古河道砂岩型铀矿是当今铀工业中最具经济价值和竞争力的铀资源之一。 |
| 7. | Dig jade is it leave riverbed in river valley terrace , do beach to refer to , ancient river and alluviation , diluvian gravel that fan have dig seeking and d jade gravel of the layer in front of the mountains the jade of these places is brought by the flowing water too 挖玉是指离开河床在河谷阶地干滩古河道和山前冲积洪积扇上的砾石层中挖寻和阗玉砾。这些地方的玉也是由流水带来的。 |
| 8. | The alternative changes of paleoenvironment favored the formation and imbedding of brine , which is the source of salt - water intrusion ; and the paleochannel that formed during regressive of sea level is the path of salt - water intrusion 海进时期,大面积的滨海平原被淹没,在近海平原洼地滞留的海水经过蒸发、浓缩变为卤水,成为咸水入侵的物源;海退后陆源碎屑在滨海地区沉积形成了巨厚的古河道砂层。 |
| 9. | The hole crest is smooth , two sides are steep , there is the name of " frightened xia " in canyon in hole , go boating among them , sky is such as a glimmer of , cut through the ancient course of river , along the road of natural carve to let your eyes not connect , linger on , forgetting to return 白象洞洞中有峡,洞中有河,洞桥天。洞顶光滑,两侧陡峭,洞中峡谷有“惊魂峡”之誉,泛舟其中,天如一线,穿过古河道,沿途的天然雕塑让您目不暇接,流连忘返。 |
| 10. | The hydrothermal limestone breccia sheet presented over tertiary fluvial , lacustrive sandstone and mud in the wandongshan - wulipai area is a hydrothermal breccia landslide from the chenjiazhuang breccia pipe , and it may be a domain origin which would have obstructed the jinshajiang old channel and made the jinshajiang river to change and to form the famous valley and turns 万洞山五里排带呈席状覆盖于第三系河湖相的砂砾岩和粘土沉积之上的灰岩质热水角砾岩为一套从陈家庄角砾岩筒滑覆过来的热水角砾岩滑体,其可能是造成金沙江古河道淤塞并使古金沙江改道和形成大拐弯的主要原因。 |