AndreaBozzo/ceres-open-data-index huggingface dataset:
Seismic imaging and crustal architecture across the Lachlan Transverse Zone, a possible early cross-cutting feature of Eastern Australia

A 2-D crustal velocity model has been derived from a 1997 364 km north-south wide-angle seismic profile that passed from Ordovician volcanic and volcaniclastic rocks (Molong Volcanic Belt of the Macquarie Arc) in the north, across the Lachlan Transverse Zone into Ordovician turbidites and Early Devonian intrusive granitoids in the south. The Lachlan Transverse Zone is a proposed west-northwest to east-southeast structural feature in the Eastern Lachlan Orogen and is considered to be a possible early lithospheric feature controlling structural evolution in eastern Australia; its true nature, however, is still contentious. The velocity model highlights significant north to south lateral variations in subsurface crustal architecture in the upper and middle crust. In particular, a higher P-wave velocity (6.24-6.32 km/s) layer identified as metamorphosed arc rocks (sensu lato) in the upper crust under the arc at 5-15 km depth is juxtaposed against Ordovician craton-derived turbidites by an inferred south-dipping fault that marks the southern boundary of the Lachlan Transverse Zone. Near-surface P-wave velocities in the Lachlan Transverse Zone are markedly less than those along other parts of the profile and some of these may be attributed to mid-Miocene volcanic centres. In the middle and lower crust there are poorly defined velocity features that we infer to be related to the Lachlan Transverse Zone. The Moho depth increases from 37 km in the north to 47 km in the south, above an underlying upper mantle with a P-wave velocity of 8.19 km/s. Comparison with velocity layers in the Proterozoic Broken Hill Block supports the inferred presence of Cambrian oceanic mafic volcanics (or an accreted mafic volcanic terrane) as substrate to this part of the Eastern Lachlan Orogen. Overall, the seismic data indicate significant differences in crustal architecture between the northern and southern parts of the profile. The crustal-scale P-wave velocity differences are attributed to the different early crustal evolution processes north and south of the Lachlan Transverse Zone.

Tags: AU-NSW, AU-VIC, Earth Sciences, External Publication, Published_External, Scientific Journal Paper
Organization: Geoscience Australia Data
Preliminary report on gravity survey in the Toko Range area, western Queensland

A reconnaissance gravity survey was carried out during 1958 near the Queensland - Northern Territory border between the Toko Range and a line from Glenormiston to Linda Downs. It was a south-westerly extension of the 1957 reconnaissance gravity survey of the south-eastern portion of the Georgina Basin.
The combined results of the two surveys are now presented as a four miles to one inch Bouguer anomaly plan, which corresponds to the Glenormiston sheet of the four mile Military Map of Australia.
The main trend of the Gravity Contours is northwest and follows in a general way the known geological boundaries. Near the southern margin of the Glenormiston sheet anomaly trends are more south-southeasterly.
The results of the gravity work reveal significant anomaly features over an area of flatly bedded Older Palaeozoic beds. Gravity anomalies appear to be maainly related to lower basement structures and
possibly to Pre-Cambrian faulting.

Tags: AU-QLD, Earth Sciences, GA Publication, Published_External, Record
Organization: Geoscience Australia Data
AUSGeoid98 v.1.0 data files: Andamooka (sh53-12)

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
BMR journal of Australian geology and geophysics vol.8 no.2

Contents:
1.Wilson IH. Geochemical discrimination of acid volcanic units in the Mount Isa region, Queensland. 
2.Sheraton JW, Collerson KD. Archaean and Proterozoic geological relationships in the Vestfold Hills-Prydz Bay area, Antarctica. 
3.Black LP, Shaw RD, Stewart AJ. Rb-Sr geochronology of Proterozoic events in the Arunta Inlier, Central Australia. 
4.Warren RG. Prograde and retrograde sapphirine in metamorphic rocks of the central Arunta Block, central Australia. 
5.Ripper ID, McCue KF. The seismic zone of the Papuan Fold Belt. 
6.Radke BM, Simpson CJ, Draper JJ. The Poodyea Formation: a possible Tertiary fluvial unit in the Toko Syncline, Georgina Basin, Queensland and Northern Territory. 
7.Wilson IH. Discussion: a review of the Corella Formation, Mount Isa Inlier, Queensland. 
8.Blake DH. Reply: a review of the Corella Formation, Mount Isa Inlier, Queensland. 
9.Sweet IP. Discussion: a Proterozoic rift zone at Mount Isa, Queensland, and implications for mineralization. 
10.Derrick GM. Reply: a Proterozoic rift zone at Mount Isa, Queensland, and implications for mineralization. 
11.Twelfth BMR Symposium. 
12.Burne RV, Ferguson J. Contrasting marginal sediments of a seasonally flooded saline lake - Lake Eliza, South Australia: significance for oil shale genesis.

Tags: AU, Earth Sciences, GA Publication, Journal, Published_External
Organization: Geoscience Australia Data
Radi Hills 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
EDM Height Traversing Levelling Survey Report: Nuku'alofa, Tonga, September 2011

This report outlines the high precision level survey completed between the SEAFRAME tide gauge and continuous GPS station in Nuku-alofa, Tonga from 17 - 23 September 2011.

Tags: Earth Sciences, GA Publication, Published_External, Record, geodesy
Organization: Geoscience Australia Data
NTGS Daly Basin Gravity P201680 Complete Spherical Cap Bouguer Anomaly 267GU

Gravity data measure 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 NTGS Daly Basin Gravity P201680 Complete Spherical Cap Bouguer Anomaly 267GU is a complete spherical cap Bouguer anomaly grid for the NTGS Daly Basin Gravity Survey 2016 (P201680). This gravity survey was acquired under the project No. 201680 for the geological survey of NT. The grid has a cell size of 0.00732 degrees (approximately 800m). The data are given in units of um/s^2, also known as 'gravity units', or gu. A total of 2271 gravity stations were acquired to produce this grid.

Tags: Australia, Bouguer, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, NT, Published_External, complete, geophysical survey, geophysics, grav, gravity, grid, ground digital data, raster, spherical cap, survey 201680
Organization: Geoscience Australia Data
Macalister Range 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-QLD, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
GSNSW Marulan Mossvale magnetic rtp 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 magnetic grid has a cell size of 0.00049 degrees (approximately 50m).The data are in nanoTesla (or nT). The data used to produce this grid was acquired in 1998 by the NSW Government, and consisted of 1886 line-kilometres of data at 250m line spacing and 60m terrain clearance. The data has had a variable reduction to the pole applied to centre the magnetic anomaly over the magnetised body. The VRTP processing followed a differential reduction to pole calculation up to 5th order polynomial. Magnetic inclination and declination were derived from the IGRF-11 geomagnetic reference model using a data representative date and elevation representative of the survey.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, NSW, Published_External, RTP, TMI, airborne digital data, geophysical survey, geophysics, grid, mag, magnetics, magnetism, palaeomagnetism, raster, reduced to the pole, survey 747, total magnetic intensity
Organization: Geoscience Australia Data
GSWA P1177 Katanning ppmth 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 thorium grid has a cell size of 0.00083 degrees (approximately 85m) and shows thorium element concentration of the Dumbleyung (SWCC), WA, 2008 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2008 by the WA Government, and consisted of 75805 line-kilometres of data at a line spacing between 100m and 400m, and 60m terrain clearance.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NASVD, NCI, Published_External, Th, WA, airborne digital data, gamma-ray, geophysical survey, geophysics, grid, rad, radiometrics, raster, spectrometry, survey 1177, thorium
Organization: Geoscience Australia Data
GSWA Pingaring 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 GSWA Pingaring magnetic grid geodetic has a cell size of 0.00083 degrees (approximately 85m). The units are in nanoTesla (or nT). The data used to produce this grid was acquired in 1993 by the WA Government, and consisted of 7622 line-kilometres of data at 400m line spacing and 60m terrain clearance.

Tags: Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, NCI, Published_External, TMI, WA, airborne digital data, geophysical survey, geophysics, grid, mag, magnetics, magnetism, palaeomagnetism, raster, survey 1070, total magnetic intensity
Organization: Geoscience Australia Data
Minigwal 1:250 000, R502 historical topographic map

The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

Tags: 250K scale, AU_WA, Published_External, Topographic Map, Topology
Organization: Geoscience Australia Data
Hardman Range 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
Bendigo, Wangaratta, Tallangatta, VIC NSW, 1972 (GSV0090) (P397), magnetic line data, AWAGS levelled

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.
 These line dataset from the Bendigo, Wangaratta, Tallangatta, VIC NSW, 1972 (GSV0090) survey were acquired in 1972 by the VIC Government, and consisted of 35480 line-kilometres of data at 1500m line spacing and 150m terrain clearance. To constrain long wavelengths in the data, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey data. This survey data is essentially levelled to AWAGS.

Tags: AWAGS, Australia, EARTH SCIENCES, Earth sciences, GADDS2.0, Published_External, VIC, airborne digital data, geophysical survey, geophysics, line, magnetic, magnetics, magnetism and palaeomagnetism, survey 397, vector
Organization: Geoscience Australia Data
Oonagalabi 1:25,000 regolith-landform map CRC LEME

The Oonagalabi 1:25,000 regolith-landform map illustrates the distribution of regolith materials and the landforms on which they occur, described using the Residual-Erosional-Depositional (RED) mapping scheme developed by the CSIRO Division of Exploration and Mining

Tags: 25K scale, AU-NT, Geological Map, Geology, Published_External, landforms, regolith
Organization: Geoscience Australia Data
Tanami NS 4NE - ground elevation geoid grid (radar)

Digital Elevation data record the terrain height variations from the processed point- or line-located data recorded during a geophysical survey. This Tanami NS 4NE - ground elevation geoid grid (radar) is elevation data for the NTGS Tanami NS 4NE Region Detailed Airborne Magnetic Radiometric and Digital Elevation Survey, NT, 2018. This survey was acquired under the project No. 1312 for the geological survey of NT. The grid has a cell size of 0.00018 degrees (approximately 20m).  This grid contains the ground elevation relative to the geoid for the NTGS Tanami NS 4NE Region Detailed Airborne Magnetic Radiometric and Digital Elevation Survey, NT, 2018. It represents the vertical distance from a location on the Earth's surface to the geoid. The data are given in units of meters. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose.

Tags: Australia, DEM, EARTH SCIENCES, Earth sciences, Elevation, GADDS2.0, NCI, NT, Published_External, digital data, geoid, geophysical survey, geophysics, grid, raster, survey 1312, terrain
Organization: Geoscience Australia Data
Curtin 1:100 000 unpublished 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.

Tags: 100K unpublished, AU-NT, Published_External, Topographic Map, Topology
Organization: Geoscience Australia Data
Ouyen 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-VIC, Published_External, Topographic Map, Topology, topography
Organization: Geoscience Australia Data
A manganese oxide discovery, Carrara Range, South Nicholson region, NT

Proterozoic rocks of the South Nicholson region, straddling the north-eastern Northern Territory and north-western Queensland, are juxtaposed between the Mount Isa Province and the McArthur Basin. Whereas the latter two provinces are well-studied and highly prospective for energy and mineral resources, the geological evolution and resource potential of the South Nicholson region, until recently, remained largely unevaluated. Geoscience Australia, under the Exploring for the Future (EFTF) initiative (2016–2020), in collaboration with State and Territory Geological Surveys, conducted a range of regional and targeted geoscience investigations across the South Nicholson region to better understand the resource potential, and to encourage greenfield resource exploration.
Poster presented at the 2021 Australian Earth Sciences Convention (AESC)

Tags: Carrara Range, EARTH SCIENCES, EFTF, Manganese Oxide, McNamara Group, Paleoproterozoic, Plain Creek Formation, Published_External
Organization: Geoscience Australia Data
A Special Issue Devoted to Proterozoic Iron Oxide Cu-Au-(U) and Gold Mineral Systems of the Gawler Craton: Preface

The Gawler craton in South Australia hosts the Olympic Dam Cu-U-Au deposit, the world's preeminent iron oxide copper-gold (IOCG) deposit and largest uranium resource. With a total resource now standing at 7.7 billion tonnes, Olympic Dam is also one of the world's largest copper and gold deposits (BHP Billiton, 2007 Annual Report). The emergence of IOCG deposits as a recognized mineral deposit class (Hitzman et al., 1992) has been followed by increasing interest in these deposits from explorers and researchers. IOCG deposits are attractive exploration targets because of their favorable grade-tonnage characteristics, credits of gold and other metals (e.g., U, Ag), and physical characteristics that are particularly amenable to geophysical exploration techniques. Despite this growing interest and an increasing number of published descriptions of the major deposits, there have been few multidisciplinary integrated studies of the regional geologic settings and metallogeny of major IOCG provinces globally. As one of the world's key IOCG provinces, the Gawler craton has experienced rapid growth in exploration expenditure this decade, resulting in discoveries of the Prominent Hill IOCG deposit in 2001 and the Carrapateena deposit in 2005 (Fig. 1Go). Over the period of these discoveries in the eastern Gawler craton, explorers in the central Gawler craton were defining a number of new gold ...

Tags: AU-SA, Earth Sciences, External Publication, Published_External, Scientific Journal Paper
Organization: Geoscience Australia Data
New Data and Ideas for Energy Exploration in Australia presentation

The Onshore Energy Security Program (OESP) announced by the Australian Government in 2006 is a major initiative to encourage exploration for energy resources in Australia. Geoscience Australia will receive funding of $59 million over five years for data acquisition and scientific programs focussed on petroleum, uranium, thorium, and geothermal energy systems. National scale surveys such as the Australia Wide Geophysical Survey (AWAGS) will provide uniform, objective data for assessing the energy potential of terrains across the continent. Geological provinces considered prospective for energy commodities are being targeted by regional projects based around the acquisition of seismic\MT and other data. A mineral-systems approach is being used to assess the uranium and geothermal prospectivity of the Mt Isa and Georgetown regions of north Queensland, and interpret the results of an extensive seismic\MT acquisition program. Interpretation of these data is providing new insights into these provinces which have been under-explored for energy.

Tags: AU, Earth Sciences, PowerPoint, Published_External, geophysics, mineral exploration, radiometrics, seismics
Organization: Geoscience Australia Data