GSNSW Exploration NSW Area G SE Darling Basin uranium grid geodetic

The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive decay of potassium (K), uranium (U) and thorium (Th). 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 radiometric uranium grid has a cell size of 0.00097 degrees (approximately 100m) and shows uranium element concentration of the NSW DMR, Discovery 2000, 1995, S.E. Darling Basin, AREA G in units of parts per million (or ppm). The data used to produce this grid was acquired in 1995 by the NSW Government, and consisted of 42604 line-kilometres of data at 400m line spacing and 80m terrain clearance.放射测量法（radiometric），又称伽马射线能谱法（gamma-ray spectrometric），通过测定地球表面附近探测到的伽马射线自然变化量，该变化源于钾（K）、铀（U）与钍（Th）的天然放射性衰变。所采集的数据将通过标准流程进行处理，以确保记录的响应仅源自地下岩石。经处理得到的数据集可通过解译，揭示地下地质构造。经处理的数据将由GA地球物理学家开展质量校验，确保GA发布的最终数据符合使用需求。本次放射测量铀网格（radiometric uranium grid）的像元大小为0.00097度（约100米），展示的是新南威尔士州矿产资源局（NSW DMR）1995年"Discovery 2000"项目中，南达令盆地（S.E. Darling Basin）G区（AREA G）的铀元素浓度，单位为百万分比（parts per million，简称ppm）。本次网格生成所用的数据由新南威尔士州政府于1995年采集，总数据覆盖长度达42604线公里，测线间距为400米，地形离地高度为80米。