Helicopter Gravity Survey, WA (P196805), gravity point data

Gravity data measures small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. This Helicopter Gravity Survey, WA (P196805) contains a total of 2101 point data values acquired at a spacing of 11265 metres. The data is located in WA and were acquired in 1968, under project No. 196805 for Bureau of Mineral Resources (BMR).重力数据用于测量因地球表层下方岩石密度变化所引发的微小重力变化。所采集的数据将通过标准化流程处理，以确保记录的重力响应仅由地下岩石引起。经处理得到的数据集可通过解译揭示地表以下的地质构造。经处理的数据将由澳大利亚地质调查局（Geoscience Australia，GA）的地球物理学家开展质量校验，以确保GA发布的最终数据符合使用要求。本西澳大利亚州直升机重力测量数据集（编号P196805）共计包含2101个测点数据，测点间距为11265米。该数据集的采集区域位于西澳大利亚州，于1968年完成采集，相关工作隶属于矿产资源局（Bureau of Mineral Resources，简称BMR）编号为196805的项目。