source zone的用法和樣例：
例句
- Their source was like an asthenospheric mantle of ocean-island basalt and geosphere was also involved in the magma rising and eructating process.
其源區可能是源于一種似洋島玄武巖源的軟流圈地幔源，并且在巖漿上侵噴發(fā)過(guò)程發(fā)生了巖石圈的卷入。 - Geochemical studies show that magma of these two series originated from the same impoverished mantle source, with the source rock being spinel peridotite.
地球化學(xué)研究證明，這兩個(gè)系列的巖漿起源于同一貧化型地幔源區，源巖類(lèi)型為尖晶石橄欖巖。
