Australian National Gravity Data Collection

Gravity data measure small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The gravity data collection contains both onshore and offshore data acquired on geophysical surveys conducted by Commonwealth, State & NT Governments and the private sector. Value: Gravity used to infer (model) the presence and position of different rock types in the subsurface. Used in resource assessment Scope: Australia continent and some data from marine surveys in region重力数据（Gravity data）用于测量地球表层下方岩石密度变化引发的微小重力变动。本重力数据集涵盖由英联邦、各州及北领地（NT）政府与私营机构开展的地球物理勘探所获取的陆上与海洋重力数据。数据价值：可借助重力数据推断（建模）地下不同岩石类型的赋存状态与位置，应用于资源评估领域。覆盖范围：澳大利亚大陆及该区域部分海洋勘探获取的数据。