These are generally fed by groundwater springs, and many issued from limestone massifs, such as the Atlas Mountains in Morocco.
它们通常由地下泉水供养，其中许多流自石灰岩山丘，如摩洛哥的阿特拉斯山脉。
2
The Xinchang composite igneous complexes include several composite lava flows and composite intrusive massifs.
浙江新昌复合式火成杂岩包括复合火山岩流和复合侵入杂岩。
3
The marginal basins along the trough between different massifs or the marginal zone between massif and ocean trough are favorable for oil and gas generation.