Alluvial mineralisation and mined alluvial workings polygons (1:100 000)

The data depicts zones of alluvial gold mineralisation and areas subject to historical alluvial miningThe data have been collected by the Geological Survey of Victoria. The dataset is accompanied by other datasets representing structural lines, miscellaneous lines and points, miscellaneous polygons, metamorphism, and placer deposits.

本数据集涵盖砂金成矿带（alluvial gold mineralisation）分布区与历史砂矿开采区域两类要素。本数据集由维多利亚地质调查局（Geological Survey of Victoria）采集完成。该数据集配套包含其他关联数据集，涵盖构造线、杂线与杂点、杂多边形要素、变质作用（metamorphism）以及砂矿床（placer deposits）相关数据。