Three Dimensional Aggregate Resource Visualisation using Geo-Electrical Tomography

三维电阻率层析成像(ERT)是近年来地球物理成像的重要发展方向之一。尽管它具有适宜性和潜在的好处，但它还没有被应用于砂石资源。采用的主要障碍是缺乏适当的数据处理和演示系统，使现场人员能够直观地了解与商业运营相关的知识。该项目旨在将3D ERT、现有的地理信息系统、钻孔数据和其他相关的特定地点的背景信息联系起来，以提供对复杂砂砾矿藏的非侵入性可视化和评估。这将提供决策支持和数据管理工具。这是及时的，因为目前正在开采的许多英国砂砾矿藏是复杂的(例如冰川和绿砂矿藏)，显示出高度的结构和成分不均质性。

3D electrical resistivity tomography (ERT) is one of the most significant geophysical imaging developments of recent years. Despite its suitability and the potential benefits it has not been applied to sand and gravel resources. The main barrier to take-up is the lack of an appropriate data processing and presentation system, to allow knowledge relevant to commercial operations to be visualised by site personnel. The project aims to link 3D ERT, existing GIS, borehole data and other relevant site-specific contextual information to provide non-invasive visualisation and evaluation of complex sand and gravel deposits. This will provide a decision support and data management tool. This is timely as many UK sand and gravel deposits now being exploited are complex (e.g. glacial and Greensand deposits), displaying a high degree of structural and compositional heterogeneity.