单词volcanic tuff
un.: 火山凝灰岩
火山凝灰岩
Three deep canyons are located in the park, cut through the volcanic tuff of the Yellowstone Plateau by rivers over the last 640, 000 years.
黄石公园里有三个幽深的峡谷。它们通过那些延续了64万年的河流斜着穿过黄石高原的火山凝灰岩。
The Qimagou Pb-Zn deposit occurs between onyx siliceous marble and volcanic tuff of the Xiong"er Group.
骑马沟铅锌矿赋存于熊耳群条纹状硅质大理岩与火山凝灰岩之间。
Geological characteristic of volcanic tuff type gold deposit and Prospecting significance in guizhou
贵州火山凝灰岩型金矿地质特征及找矿意义