G3Dv3.1, isohypes of base Fm of Keuper, Muschelkalk, Röt, Buntsandstein and Helchteren (Trias and Perm)

This layer gives the isohypses of the basics of the formations of Keuper, Muschelkalk, Rot, Buntsandstein and Helchteren, as defined in the Geological 3D model of the Flemish subsurface — version 3.1. The Geological 3D model was drawn up in the framework of the management agreement of the Flemish government with VITO, under the heading VLAKO, commissioned by the Flemish Environmental Planning Agency本图层展示了凯珀尔组（Keuper）、壳灰岩统（Muschelkalk）、罗特组（Rot）、斑砂岩统（Buntsandstein）与海尔赫特伦组（Helchteren）各地层基底的等高线，其定义源自佛兰德斯地下地质三维模型（版本3.1）。该三维地质模型由佛兰德斯环境规划局委托，在佛兰德斯政府与VITO签署的管理协议框架下，作为VLAKO项目的一部分编制完成。