G3Dv3.1 0318, occurrence of Fm from Hannut

This layer gives the limits of the Hannut Formation, as defined in the Geological 3D model of the Flemish Subsoil – version 3.1. The Geological 3D model was drawn up under the Flemish Government’s management agreement with VITO, known as VLAKO, on behalf of the Flemish Planning Bureau for Environment本图层划定了汉努特组（Hannut Formation）的分布边界，该边界的定义来自《法兰德斯地下地质三维模型（Geological 3D model of the Flemish Subsoil）》3.1版。此地质三维模型由VITO机构代表法兰德斯环境规划局，依照法兰德斯政府与VITO签订的VLAKO管理协议编制完成。