Thomson NSW Gravity Survey, 2007 (P200721), 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 Thomson NSW Gravity Survey, 2007 (P200721) contains a total of 4728 point data values acquired at a spacing between 2000 and 4000 metres. The data is located in NSW and were acquired in 2007, under project No. 200721 for Daishsat Pty Ltd.

重力数据可表征地球表层下方岩石密度变化所引发的微小重力场扰动。所采集的数据将采用标准化流程开展处理，确保所记录的响应仅由地下岩石引起。经处理得到的数据集可通过解译，用以揭示地下地质构造。经处理后的数据将由GA地球物理学家开展质量核验，以确保GA发布的最终数据满足使用需求。本次2007年新南威尔士州汤姆逊重力测量项目（编号P200721）共包含4728个测点数据，测点间距介于2000米至4000米之间。该数据集的采集区域位于新南威尔士州（NSW），采集工作于2007年开展，由戴沙特私人有限公司（Daishsat Pty Ltd）委托，项目编号为200721。