片麻岩 (piàn mà yán) — gneiss

Definizione

Esempi

• 这种片麻岩的纹理非常清晰，适合做建筑材料。
  Zhè zhǒng piàn mà yán de wén lǐ fēi cháng qīng xī, shì hé zuò jiàn zhù cái liào.
  The texture of this gneiss is very clear, making it suitable for building materials.
• 地质学家在山区发现了大面积的片麻岩。
  Dì zhì xué jiā zài shān qū fā xiàn le dà miàn jī de piàn mà yán.
  Geologists discovered a large area of gneiss in the mountainous region.
• 片麻岩是一种变质岩，由花岗岩或沉积岩经过高温高压形成。
  piàn mà yán Shì yì zhǒng biàn zhì yán, yóu huā gāng yán huò chén jī yán jīng guò gāo wēn gāo yā xíng chéng.
  Gneiss is a type of metamorphic rock formed from granite or sedimentary rock under high temperature and pressure.