AndreaBozzo/ceres-open-data-index huggingface dataset:
Virchow 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: 50K scale, AU-WA, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Helicopter Gravity NT, WA (P196704), 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 NT, WA (P196704) contains a total of 3467 point data values acquired at a spacing between 5000 and 12500 metres. The data is located in NT, WA and were acquired in 1967, under project No. 196704 for Bureau of Mineral Resources (BMR).

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, NT, Published_External, WA, geophysical survey, geophysics, gravity, ground digital data, point, point located data, survey 196704
Organization: Geoscience Australia Data
Airborne gravity 2004  abstracts from the ASEG-PESA Airborne Gravity 2004 Workshop

The Airborne gravity 2004 workshop was held in Sydney on August 15, in conjunction with ASEG-PESA Sydney 2004 (the ASEG's 17th Geophysical Conference and Exhibition). The aims of the workshop were to provide participants with a review of the current state of the art in airborne gravity instrumentation, to present case histories of the use of these methods in minerals and petroleum applications, and to distribute sample data sets. 'Airborne gravity' is used in this context to include both airborne gravimeter and airborne gravity gradiometer methods.
The papers in this GA Record reflect the two themes of the workshop, providing a comprehensive review of systems currently in operation as well as some still under development, and case histories involving examples from surveys spanning the globe.

Tags: AU-SA, GA Publication, Gravimetrics, Published_External, Record, geophysics, gravity
Organization: Geoscience Australia Data
AUSGeoid98 v.1.0 data files: Cornish sf52-01)

AUSGeoid98 data files contain a 2 minute grid of AUSGeoid98 data covering the Australian region, which you can use to interpolate geoid-ellipsoid separations for the positions required.You can use your own interpolation software, or you can use Geoscience Australia's Windows Interpolation software (Winter). The data files are text files in a standard format that cover the same area as standard topographic map areas. Files covering both 1:250,000 (approximately 100 x 150 km) and 1:1,000,000 (approximately 400 x 600 km) map areas are available. There is a 4 minute overlap on all sides of each area. Data format: AUSGeoid98 data files have a header record at the start of each file, to distinguish them from the superseded AUSGeoid93 data files. AUSGeoid98 data files show the geoid-ellipsoid separation to 3 decimal places, while the superseded AUSGeoid93 data files showed only 2 decimal places. AUSGeoid98 deflections of the vertical were computed from the geoid-ellipsoid separation surface, while the AUSGeoid93 deflections of the vertical were computed from OSU91A.

Tags: AU, AUSGeoid98, Geodesy, Geodetic Data, Published_External, dataset, geodesy
Organization: Geoscience Australia Data
Blue Mountain Gravity (P199321), 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 Blue Mountain Gravity (P199321) contains a total of 903 point data values acquired at a spacing of 100 metres. The data is located in NSW and were acquired in 1992, under project No. 199321 for RGC Exploration Pty Ltd.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, NSW, Published_External, geophysical survey, geophysics, gravity, ground digital data, point, point located data, survey 199321
Organization: Geoscience Australia Data
Warragul Area Gravity (P198145), 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 Warragul Area Gravity (P198145) contains a total of 978 point data values acquired at a spacing of 250 metres. The data is located in VIC and were acquired in 1981, under project No. 198145 for Esso Exploration Australia Ltd.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, Published_External, VIC, geophysical survey, geophysics, gravity, ground digital data, point, point located data, survey 198145
Organization: Geoscience Australia Data
Mann River 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: 50K scale, AU-NT, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
GSQ Isa Georgetown Block A Qld magnetic grid geodetic

Total magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth crust. Magnetic anomalies can be either positive (field stronger than normal) or negative (field weaker) depending on the susceptibility of the rock. The data 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 GSQ Isa Georgetown Block A Qld magnetic grid geodetic has a cell size of 0.00042 degrees (approximately 45m). The units are in nanoTesla (or nT). The data used to produce this grid was acquired in 2000 by the QLD Government, and consisted of 34868 line-kilometres of data at a line spacing between 200m and 400m, and 80m terrain clearance.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, Published_External, QLD, TMI, airborne digital data, geophysical survey, geophysics, grid, mag, magnetics, magnetism, palaeomagnetism, raster, survey 826, total magnetic intensity
Organization: Geoscience Australia Data
South Nicholson National Drilling Initiative Drilling project NDI Carrara 1 drill hole completion report and downhole datasets

NDI Carrara 1 is a deep stratigraphic drill hole completed in 2020 as part of the MinEx CRC National Drilling Initiative (NDI) in collaboration with Geoscience Australia and the Northern Territory Geological Survey. It is the first test of the Carrara Sub-basin, a newly discovered Proterozoic depocentre in the South Nicholson region, based on interpretation from new seismic surveys (L210 in 2017 and L212 in 2019) acquired as part of the Exploring for the Future program. The drill hole intersected approximately 1120 m of Proterozoic sedimentary rocks unconformably overlain by 630 m of Cambrian Georgina Basin carbonates. Continuous cores recovered from 283 m to a total depth of 1751 m. 
Geoscience Australia conducted an extensive post-drilling analytical program that generated over 30 datasets which the interested reader can find under the EFTF webpage (under the "Data and publications" drop down menu) at https://www.eftf.ga.gov.au/south-nicholson-national-drilling-initiative
This record links to the Exploring for the Future 'borehole completion report' for NDI Carrara 1 and access to all on-site downhole geophysical datasets.

Tags: Barkly-Isa-Georgetown module, Basin Analysis, Cambrian, Carrara Sub-basin, EARTH SCIENCES, Exploring for the Future - EFTF, GEOLOGY, Georgina Basin, NDI Carrara 1, Proterozoic, Published_External, South Nicholson
Organization: Geoscience Australia Data
Adcock River 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: 50K scale, AU-WA, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Ashburton Downs 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: 50K scale, AU-WA, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Magnetic Anomaly Map of Australia, Seventh Edition, 2020 - Enhanced Products Package - TMI RTP image (Phase)

Total magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth crust. Magnetic anomalies can be either positive (field stronger than normal) or negative (field weaker) depending on the susceptibility of the rock. 
The 2019 Total magnetic Intensity (TMI) grid of Australia has a grid cell size of ~3 seconds of arc (approximately 80 m). This grid only includes airborne-derived TMI data for onshore and near-offshore continental areas. Since the sixth edition was released in 2015, data from 234 new surveys have been added to the database, acquired mainly by the State and Territory Geological Surveys. The 2019 national grid was derived from a re-levelling of the national magnetic grid database. The survey grids were levelled to each other, and to the Australia Wide Airborne Geophysical Survey (AWAGS), which serves as a baseline to constrain long wavelengths in the final grid. It is estimated that 33 500 000 line-kilometres of survey data were acquired to produce the 2019 grid data, about 2 000 000 line-kilometres more than for the previous edition. 
The data 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 Magnetic Anomaly Map of Australia, Seventh Edition, 2020 - Enhanced Products Package - TMI RTP image (Phase) is a pseudocolour image of the TMI grid of the Magnetic Anomaly Map of Australia, Seventh Edition, 2019.
This grid has a cell size of 0.00083 degrees (approximately 88m). This pseudocolour image shows the magnetic response of subsurface features with contrasting magnetic susceptibilities. The image can also be used to locate structural features such as dykes.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, None, Published_External, TMI, VBzz, airborne digital data, geophysical survey, geophysics, image, mag, magnetics, magnetism, national, palaeomagnetism, pseudo susceptibility, pseudo-gravity transformation, pseudocolour, pseudocolour image, raster, reduced to the pole, survey 1324, tilt angle, total horizontal derivative filter, total horizontal gradient, total magnetic intensity, variable vertical gradient of TMI vertical component
Organization: Geoscience Australia Data
The Regolith patterns of the Yilgarn Craton 1:1,000,000 map CRC LEME

The Regolith patterns of the Yilgarn Craton 1:1,000,000 map illustrates the distribution of regolith materials and the landforms on which they occur, illustrates using the Residual-Erosional-Depositional (RED) mapping scheme developed by the CSIRO Division of Exploration and Mining

Tags: 1M scale, AU-WA, Geological Map, Geology, Published_External, regolith
Organization: Geoscience Australia Data
Absolute electromagnetic scale modelling and its use in interpretation of TEM response

Scale model studies are often used to determine the distribution of secondary magnetic fields when the numerical approach is unreasonably difficult. Reduction in size (L) is compensated by an increase in conductivity (o) or frequency (f), or both. In most cases the results are expressed in a way whereby they are independent of the absolute dimensions of the model and the general modelling relation oufL^2 = constant, is valid. However in some applications such as transient electromagnetic (TEM) modelling it is necessary to determine the power level of the full-scale system. An expression relating the voltage levels of the model and the full-scale system is: Vm/V = LmT/LTm where the subscript m represents the model system. This expression must he used in conjunction with the general modelling relation in order to compensate for changes in the modelling parameters. It is possible to scale time, as well as dimensions and conductivity and, using the above relationships, many geological situations may be simulated with a single model. By varying either one of the parameters conductivity or dimensions while keeping the other constant, the same transient decay curve can be obtained by transposing the individual curves (plotted on a log-log scale) along the time and response axes. An example illustrates that by modelling field cases absolute quantities such as conductivity can be estimated. Modelling of the Woodlawn orebody gave bulk conductivities of 5 S/m and 20 S/m. The analysis of TEM data using early and late time responses must be done with care. The response typical of a late time may be similar to an early time response if the electrical or dimensional properties of the conductor are varied. More correctly one should analyse responses in terms of large and small values of the parameter oufL^2/T.

Tags: Earth Sciences, GA Publication, Journal, Published_External
Organization: Geoscience Australia Data
Deep Structure of the Southern North West Shelf : Shallow Water Barrow Sub-basin Survey Proposal : Project 921.17

In mid-1991, the Bureau of Mineral Resources (BMR) commenced a program of deep seismicacquisition on the southern North West Shelf with the intention of providing a regionalframework data set for explorers in this highly prospective segment of Australia's continentalmargin. In particular, the program has the following aims:
To determine the broad regional structural framework of the southern North West Shelfby examining the boundaries between the major structural elements;
To determine the deep crustal structure of the region; 
To assess the control of deep structure on the development of the major hydrocarbon fields and plays, and in particular the structural and depositional effects resulting fromreactivation of these structures; and 
To acquire a set of high-quality seismic tie lines linking the deeper exploration wellsthroughout the region to allow regional seismic correlations.
To address these aims, a multi-cruise program has been devised during which deep seismicdata (4800 m streamer; 16 sec record length; 3000 cu in seismic source) are being recorded.During the first cruise, SNOWS-I ( for Southern North West Shelf), completed in June 1991,1654 km of seismic data were acquired aboard the BMR's research vessel Rig Seismic along10 widely spaced lines tied to 20 exploration wells in the Barrow, Dampier, and ExmouthSub-basins, and on the inner flank of the Exmouth Plateau. Processing of the data was ar-ranged through a commercial contractor. The data were processed by the second quarter of1992, and frequently show basin structure down to a depth of at least 10 s TWT (&gt;20 km);these are the first data recorded on the southern North West Shelf that show such deep structures.

Tags: Earth Sciences, GA Publication, Published_External, Record, seismics, structural geology
Organization: Geoscience Australia Data
Mammoth Mines 1:100 000 topographic map

At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres. Many maps are supplemented by hill shading. These maps contain natural and constructed features including road and rail infrastructure, vegetation, hydrography, contours, localities and some administrative boundaries. Product Specifications Coverage: Australia is covered by more than 3000 x 1:100 000 scale maps, of which 1600 have been published as printed maps. Unpublished maps are available as compilations. Currency: Ranges from 1961 to 2009. Average 1997. Coordinates: Geographical and either AMG or MGA coordinates. Datum: AGD66, GDA94; AHD Projection: Universal Transverse Mercator UTM. Medium: Printed maps: Paper, flat and folded copies. Compilations: Paper or film, flat copies only.

Tags: 100K scale, AU-QLD, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Muttaburra 1:250 000 topographic map

This map is part of the series that covers the whole of Australia at a scale of 1:250 000 (1cm on a map represents 2.5 km on the ground) and comprises 513 maps. This is the largest scale at which published topographic maps cover the entire continent. Each standard map covers an area of 1.5 degrees longitude by 1 degree latitude or about 150 kilometres from east to west and 110 kilometres from north to south. There are about 50 special maps in the series and these maps cover a non-standard area. Typically, where a map produced on standard sheet lines is largely ocean it is combined with its landward neighbour. These maps contain natural and constructed features including road and rail infrastructure, vegetation, hydrography, contours (interval 50m), localities and some administrative boundaries. The topographic map and data index shows coverage of the sheets. Product Specifications Coverage: The series covers the whole of Australia with 513 maps. Currency: Ranges from 1995 to 2009. 95% of maps have a reliability date of 1994 or later. Coordinates: Geographical and either AMG or MGA (post-1993) Datum: AGD66, GDA94, AHD. Projection: Universal Traverse Mercator (UTM) Medium: Paper, flat and folded copies.

Tags: 250K scale, AU-QLD, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Geomagnetic Observation Records - Learmonth Observatory (LRM)

This dataset contains scanned geomagnetic absolute observation records from Australian Geomagnetic Observatory: Learmonth (LRM). Files names delineate the observatory, observation year, type of form and folder. e.g. LRM2000OBS_19 (LRM: Learmonth Observatory)(2000: Year)(OBS: Observation Form)(19: Folder). Files are stored as station and year based PDF and individual tiff files per page.

Tags: EARTH SCIENCES, Geomagnetic Observatories, Magnetism and Palaeomagnetism, Mesospheric, Ionospheric and Magnetospheric Physics, Published_External, scanned geomagnetic absolute observation records
Organization: Geoscience Australia Data
NTData (digital geology of the Northern Territory), Huckitta

These data are a digital representation of information depicted on printed maps from the Australia 1:250 000 Geological Series produced by AGSO and the Northern Territory Geological Survey (NTGS) between 1963 and 1998.  The data are in a tiled format 
and are not seamless, although basic edgematching has been done where possible.  Tiles are arranged according to the standard Australian 1:250 000 sheet breakup.  The complete dataset is comprised of the 90 tiles covering the Northern Territory.

Tags: AU-NT, Earth Sciences, GIS Dataset, Published_External, Regional, dataset, geology
Organization: Geoscience Australia Data
NATMAP Digital Maps 250K 2008 - Zone 51 mosaic

Mosaic of all UTM Zone 51 1:250K topo maps in .ecw format. 2008 edition. Previously included as part of the NATMAP Digital Maps 2008 Release product.

Tags: AU-WA, Earth Sciences, Published_External, RASTER, Topographic Map, topography
Organization: Geoscience Australia Data
Campbelltown 1:50 000 topographic map

Product Specifications Coverage: Partial coverage, predominantly in northern Australia, along major transport routes, and other selected areas. About 1000 maps have been published to date. Currency: Ranges from 1968 to 2006. Coordinates: Geographical and UTM. Datum: AGD66, new edition WGS84; AHD. Projection: Universal Transverse Mercator UTM. Medium: Paper, flat copies only.

Tags: 50K scale, AU-NSW, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
Streaky Bay - Th equivalent concentration grid (AWAGS, nasvd)

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 thorium grid has a cell size of 0.0004 degrees (approximately 41m) and shows thorium element concentration of the Streaky Bay Airborne Magnetic Radiometric and DEM survey, SA, 2018 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2018 by the SA Government, and consisted of 90670 line-kilometres of data at 200m line spacing and 60m terrain clearance. To constrain long wavelengths in the grid, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey grid.

Tags: AWAGS, Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, Published_External, SA, Th, airborne digital data, gamma-ray, geophysical survey, geophysics, grid, rad, radiometrics, raster, spectrometry, survey 1308, thorium
Organization: Geoscience Australia Data