Sandfire Detailed Gravity Survey, 2004, WA A71643 (P200462), 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 Sandfire Detailed Gravity Survey, 2004, WA A71643 (P200462) contains a total of 2307 point data values acquired at a spacing between 200 and 5400 metres. The data is located in WA and were acquired in 2004, under project No. 200462 for Sandfire Resources NL.

重力数据用于表征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方法开展处理，以确保记录得到的响应仅源于地下岩石。经处理得到的数据集可通过解译揭示地下地质构造。经处理后的数据将由GA地球物理学家进行质量核查，以确保GA发布的最终数据符合预定使用要求。
本次2004年西澳大利亚州WA A71643（编号P200462）桑德菲尔详细重力调查数据集，共包含2307个测点数据，测点间距介于200米至5400米之间。该数据采集于西澳大利亚州，完成于2004年，隶属于桑德菲尔资源有限公司（Sandfire Resources NL）编号为200462的项目。