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continental crust相关的网络例句

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与 continental crust 相关的网络例句 [注:此内容来源于网络,仅供参考]

The occurrence of the west Ujimqin andesites indicates the existence of ancient continental lower crust beneath the NE China fold belt.

该套岩石的出现为证明东北地区存在古老大陆下地壳提供了重要证据。

With this velocity model and broadband records from 5 CDSN stations, we inverted focal mechanisms of Chifeng earthquake on August 16th, 2003 with the "Cut and Paste" method. Then we confirmed focal depth and the source mechanisms by comparing synthetic body waves at teleseismic distance with broadband records of 9 IRIS stations. Our result shows that the best double couple solution of this M w5.2 event is 315°, 64° and 19°for strike, dip and slip angles respectively, the second nodal plane solution is 216°,74°, and 152°. The focal depth is 25±2 km, suggesting that this quake occurred in the lower crust which is much deeper than most continental earthquakes.

我们以此速度结构作为模型,利用中国国家地震台网5个台站的宽频带地震数据,采用CAP方法反演2003年8月16日赤峰地震震源机制解并初步确定震源深度;再利用IRIS 9个台站远震体波数据,通过对比理论计算和观测记录的方法进一步精确确定震源深度并验证反演得到的机制解,得出此次地震矩震级为5.2,震源机制解为:节面I:315°/64°/19°,节面II:216°/74°/152°,震源深度为25±2 km,已深达下地壳。

Radioactive heat-producing element abundance in the crust of continental China estimated from terrestrial heat flow and the helium isotopic composition of underground fluids

根据实测岩石热导率和测温资料计算了柴达木盆地的大地热流值并编制了热流分布图,对 47个测点的热流值进行了统计。

The results of investigation show that the crust in Junggar basin features continental character, and the basement of the basin is characterized by two-layer structure, the upper layer is Hercynian folded basement, and the lower is Pre-Cambrian crystalline basement.

结果表明,准噶尔盆地地壳具有陆壳性质,基底为双层结构,上层为海西运动期褶皱基底,下层为前寒武系结晶基底,褶皱基底厚度不超过10 km,在三个泉凸起以北厚度较大,为3~10 km。

The Earth experiences thousands of earthquakes each year due to the movement of tectonic plates which are underneath continental and oceanic crust.

没什么稀奇的,地球每年都会由于大陆和海洋下的版块构造运动发生数千起地震。

The data show the following ages: 1894±17 Ma and 1847±59 Ma for garnet pyroxenite of the Tiantangshan Group complex, indicating a Paleoproterozoic age; 1462±28 Ma for the metabasic volcanic rocks of the Yunkai Group complex, indicating the presence of fragments of the Meso- and Neoproterozoic oceanic crust in the Yunkai area; 906±24 Ma for the granitic gneiss intrusion is, which should be the product of the global Grenville collisional orogeny occurring around 1000 Ma BP. In addition, an inherited detrital zircon age of 2702±13 Ma was also obtained, which is the oldest age in the Yunkai area and even in Cathaysia, proving the presence of Neoarchean continental crustal material in Cathaysia.

获得天堂山岩群石榴辉石岩的形成年龄为1894Ma±17Ma和1847Ma±59Ma,表明其时代为古元古代;云开岩群洋中脊型变质基性火山岩的喷发年龄为1462Ma±28Ma,证明该地区存在中元古代的古洋壳残片;获得花岗质片麻岩的侵入年龄为906Ma±24Ma,应为1000Ma前后发生的全球性Grenville期造山作用的产物,并获得2702Ma±13Ma的继承碎屑锆石年龄,这是云开地区乃至华夏古陆目前获得的最古老年龄,证明华夏古陆曾存在新太古代陆壳物质。

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