Brief description
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 532 Mildura Gravity Northwest Initiative (P199433) contains a total of 320 point data values acquired at a spacing of 1500 metres. The data is located in VIC and were acquired in 1994, under project No. 199433 for Geological Survey of Victoria (GSV).
Lineage
Maintenance and Update Frequency: notPlannedTerrain corrections were calculated using the INTREPID Geophysics software package. The processed data are checked by GA geophysicists using standard methods for assessing quality to ensure that the final data are fit-for-purpose.
All data are provided in EPSG:4283 coordinates, Australian Height Datum (AHD) and gravity datum of AAGD07. The units are degrees, meters, and micrometres per second squared, respectively.
Reference:
Intrepid Geophysics, http://www.intrepid-geophysics.com.
Created: 14 07 2018
Issued: 14 07 2018
Modified: 05 07 2021
Data time period: 11 1994 to 31 12 1994
text: westlimit=140.9631; southlimit=-34.2784; eastlimit=142.1663; northlimit=-34.1835; projection=GDA94 (EPSG:4283)
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The Geophysical Archive Data Delivery System (GADDS2) portal provides HTTP download of geophysics datasets in a number of formats. Point and line datasets are available in NetCDF and ASEG-GDF2. Grid datasets are available in NetCDF, GeoTIFF and ERS. (File available for download in various formats from the GADDS2 portal)
- global : 11e75f80-d043-4756-9005-6f8508a47375
- URI : http://pid.geoscience.gov.au/dataset/ga/125448