沈积作用 meaning in Chinese

deposition

The past twenty years have witnessed great development in the study of volcanic sedimentation , both theoretical and methodological
火山沈积作用是介于火山学和沈积学之间的边缘研究领域。
The petrology revelas that the sedimentary environment of the study area is carbonate tide - flat and shallow sea which is also strongly affected by the volcanic materials and wind - brought clastics during the period of yangzhuang
上述岩石特徵表明，研究区在中元古代蓟县纪早期的杨庄期为浅海潮坪碳酸盐沈积环境，沈积作用受中远源火山物质和风携碎屑的强烈影响。
In spatial distribution , coal fields are developed in the anomalies of high chargeability sedimentary areas ; metamorphic iron deposits occur in the anomalies of high chargeability metamorphic areas ; endogenic gold deposits are found in the anomalies of high chargeability igneous areas
空间分布上，与沈积作用密切相关的煤矿主要分布在沈积岩高极化率地区，变质铁矿主要分布在变质岩高极化率地区，内生金矿则主要分布在火成岩高极化率地区。