volcano tectonic depression 火山沉陷地
volcaco-tectonic depression 火山构造洼地
volcanic-tectonic depression 火山造构洼地
Songshunangou gold deposit is located in the volcano-tectonic depression, the mineralization relates to volcanic rock.
松树南淘金矿受火山构造洼地制约，成矿作用与火山岩有关。
Fault is the main factor controlling the tectonic evolution in Dongying depression.
断裂是控制东营凹陷构造演化的主要因素。
Suibin depression, as a secondary tectonic unit, lies in the west of Sanjiang basin.
绥滨坳陷是三江盆地的次一级构造单元，位于三江盆地的西部。
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