• 1. zonation pattern: 成带型 | 带状格局
• 2. converse zonation pattern: 逆序组织模式

• 1.Structures in middle zonation are simple and coal-controlled structural style is characterized by fold-thrust pattern, coal measures distributed stable in favor of exploration and development.
  煤田中部地质构造相对简单，控煤构造样式以褶皱-断裂型为特征，含煤岩系赋存稳定，是有利的勘查开发区段。
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