earth upper mantle

常见例句

双语例句

• These levels are comparable to the 500 to 1000 parts per million of water in the Earth's upper mantle.
  这一水分含量堪比地球的上层地幔500到1000ppm的水含量。
• The ore-forming material and fluid was derived from the depth of the Earth especially from upper mantle or crust-mantle mixing zone , due to alkali-rich magma activity during late Yanshanian epoch.
  成矿流体和主要矿质均源于地球深部，以上地幔或壳幔混合带为主，与燕山晚期富碱岩浆活动密切相关。
• Serpentinite is a dark green mineral used in decoration and jewelry. In nature, it is formed when sea water infiltrates into Earth's upper mantle, at depths that can reach 200 km in subduction zones.
  蛇纹石是一种用来珠宝装饰的深绿色矿物，它形成于俯冲带，当海水渗入到地球上地幔的环境中，形成深度可达200km。

权威例句

• The rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth's crust.
  ECONOMIST: Greenhouse gases
返回 earth upper mantle