(3)火山渣(volcanic cinder) (4)火山弹(volcanic bomb) (5)火山块(volcanic block): Φ>64mm.
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volcanic cinder brick 火山渣轻骨料砌块
The surrounding land rises to 1, 000 meters (3, 000 feet) east and west of the valley, and high-elevation, volcanic cinder cones dot the rim.
而其东西两侧的地方高达1000米(3000英尺),有海拔很高的火山锥点缀在边缘。
Cinder cones often form around or downwind from volcanic vents.
火山灰锥通常形成于火山口周围或者顺风处。
These cinder cones are part of a broad volcanic complex between the Suguta Valley and Lake Turkana to the north.
这些火山锥是苏加塔谷和图尔卡纳湖之间火山杂岩的一部分。
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