AndreaBozzo/ceres-open-data-index huggingface dataset:
Open cut coal scout drilling, West Wallsend, Newcastle region, New South Wales

Three widely separated scout holes totalling 566 feet of drilling were drilled to investigate the possibilities of open-cut mining sites on the Australasian Seam immediately to the west and south-west of West Wallsend, a suburb of the city of Newcastle. Only one hole intersected the Australasian Seam. This hole indicated that the seam was much banded and of inferior quality - below present open-cut coal standard. Analyses suggested that it may be possible to mine a section of coal 8 feet 7 inches thick excluding non-coal bands, and that this coal would have an ash content of about 29% and calorific value of 10,000 B.Th.U. per lb. after the exclusion of bands.

Tags: AU-NSW, Earth Sciences, GA Publication, Published_External, Record, commodities, mineral exploration, resource assessment, stratigraphy
Organization: Geoscience Australia Data
Crater Prospect (1951), Rum Jungle, N.T.

The Crater Prospect is situated about 4 miles south-south-east of White's workings and 1 mile north-east of the junction of Batchelor Road and the Darwin-Birdum railway line. It is the name assigned to a type area of an extensive radioactive bed of conglomerate. Low grade but wide-spread radioactivity was discovered by R.S. Matheson and D.F. Dyson (geophysicists) in June 1951, while prospecting along the sedimentary beds out-cropping immediately south of the Rum Jungle granite on the south-side of Giant's Reef fault, and on the south side of another major parallel fault. Geiger-Muller traverses along the strike of a grit-conglomerate horizon away from the Crater prospect revealed that the radioactivity extends westwards for 1.5 miles and for half a mile to the east. The radioactivity, which was confined to the conglomerate, was low-grade and discontinuous over this distance of 2 miles. The Crater Prospect, which can be regarded as a type locality, was geologically mapped by the writer on a scale of 200 feet to one inch after the area had been radiometrically contoured, and the plan accompanies this report (Plate 1). [The geology and structure of the prospect, nature of the radioactivity, and prospecting recommendations are discussed].

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geophysics, mineral deposits, mineralogy
Organization: Geoscience Australia Data
Radioactive surveys, Katherine - Darwin area: report on activities of the Darwin Uranium Group, October, 1954

Report on the activities of the administrative and technical sections in the Katherine-Darwin area, to October, 1954. A brief account is given of geological and geophysical operations. The results of prospecting and development work are summarised.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geology, geophysics, mapping, mineral exploration, prospectivity, radiometrics, uranium
Organization: Geoscience Australia Data
Coupled inorganic-organic national geochemical data: initial data release

This database contains geochemical data for samples analysed both for inorganic and organic geochemistry. Analytical data are sourced from Geoscience Australia's Inorganic Geochemistry Database (OZCHEM) and Organic Geochemistry Database (ORGCHEM), respectively. The data are joined on a unique sample number. Inorganic geochemical data cover the majority of the periodic table, with metadata on analytical methods and detection limits. Organic geochemical data include results of pyrolysis, derivative calculated values, and, where available, isotopic composition of carbonates (D13C) and isotopic composition of rock nitrogen (D15N). Further, there are provisions for delivery of isotopic data for kerogen (H, C, N) and oxygen (O) for carbonates. Where available, sample descriptions include stratigraphic unit names and ages, and lithology. Location information includes coordinates of the sampled feature (eg, borehole), coordinates of the sample and sample depth. Interpretation of the combined inorganic and organic geochemistry for organic-rich shales will facilitate comprehensive characterisation of hydrocarbons source rocks and mineral commodities source and trap environments. All are achieved within the frameworks of petroleum and mineral systems analysis. The initial data delivered by this service include 1785 samples from 35 boreholes from 14 geological provinces, including recently released data for 442 samples from the South Nicholson National Drilling Initiative Carrara 1 stratigraphic drill hole (Butcher et al., 2021; Carson et al., 2021). Many sampled boreholes are located within the polygon of the Exploring for the Future Barkly-Isa-Georgetown project. This dataset will be updated periodically as more data become available.

Tags: EARTH SCIENCES, GEOCHEMISTRY, Inorganic Geochemistry, Organic Geochemistry, Published_External
Organization: Geoscience Australia Data
Notes on a geological sketch map of Coronation Hill area, Northern Territory

The area shown in the accompanying geological sketch map, No. NT63/9, was surveyed in 1953. The mapping was carried out by using a grid marked out with improvised survey pegs at intervals of 100' along magnetic bearings N-S and E-W. The average error in this grid was quite small. The datum for the grid was chosen to coincide with that of the base line of the Coronation Hill plane table survey. Contours are based on levels obtained by aneroid barometer.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geology, mapping, petrology
Organization: Geoscience Australia Data
Western coalfields: results of drilling in the Tyldesley area

The area tested by drilling comprises approximately 30 acres of the Parish of Cullen Bullen in the County of Roxburgh, and is immediately to the east of the Portland-Mudgee railway line about 1.5 miles northward from Cullen Bullen Station. The purpose of drilling was to test the Irondale and Lithgow seams of the Upper Coal-Measures for thickness and quality, and thus determine whether or not the more detailed investigation of proving is warranted. Seven holes, with an average depth of 116 feet, were drilled by Goldfields Diamond Drilling Co. under contract to the bureau of near sites chosen by the Geological Survey of N.S.W. The total footage drilled was 810 feet and coal-core recovery averaged 89%. Core drilling in the Tyldesley Area has indicated the presence of 41,000 tons of banded high-ash coal in the lower split of the Lithgow Seam. The coal is considered unsuitable for exploitation by open cut methods and a proving campaign is not recommended.

Tags: AU-NSW, Earth Sciences, GA Publication, Published_External, Record, commodities, resource assessment
Organization: Geoscience Australia Data
Third progress report of the geophysical survey of the Renison Bell tin field, Tasmania

Results are given of geophysical work done during 1952 at the Renison Bell tin field, Tasmania. The area surveyed is to the immediate south-east of those surveyed in 1950 and 1951 and includes the Federal open-cut, Dunn's workings and Stebbin's Hill. Self-potential and magnetic methods, which had proved satisfactory in the previous surveys were again used. Of five main anomalies which were found, three coincide with known workings, namely the Federal open-cut, Dunn's workings and Montana South workings. These anomalies do not indicate any considerable extension of the ore bodies already worked. Of the other two anomalies, one is slightly north-west of Dunn's workings and the other directly on Stebbin's Hill. Three drilling sites are recommended for testing these two anomalies.

Tags: AU-TAS, Earth Sciences, GA Publication, Published_External, Record, geophysics, magnetics, mineral deposits
Organization: Geoscience Australia Data
Regional geology of the Rum Jungle district, Northern Territory, Australia

The importance of the Rum Jungle deposits required a geological survey of the surrounding district to determine whether or not additional deposits were to be found. None have been found as a result of the work so far completed. This work is also intended to contribute to a larger scale compilation of the regional geology of the Northern Territory. The rocks of the area include metasediments (some of which are tuffaceous) which are intruded by granite, quartz and quartz-tourmaline veins and dolerite dykes. The metasediments are assigned to the Brock's Creek Group of Lower Proterozoic age, (Noakes, 1949). The original sediments were deposited in a shallow-water geosynclinal environment close to a granitic (?) land-mass. Granites intruded the sediments towards the close of geosynclinal development. Diastrophism, which extended over a wide area, caused strong folding, brecciation, possible thrust-faulting and transcurrent faulting close to the granites. Gold, copper, and uranium have been found and mined in the area. The gold is associated with quartz and quartz-tourmaline veins. The genesis of the copper and uranium deposits has not been satisfactorily determined. Only uranium and associated copper are being mined today.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, economic geology, geology, structural geology
Organization: Geoscience Australia Data
The use of the Frantz Isodynamic Separator in the separation of minerals in heavy mineral beach sands

The beach sands on which investigations were carried out, were mainly from beaches along the eastern coast of Australia and from islands adjacent to this coast. A high percentage of the mineral grains of the heavy mineral fraction in these sands have grain sizes within the range -100 to +200, referred to British Standard Sieves. The grain size of the minerals, combined with the fact that the grains are quite well rounded, makes the heavy mineral sands an ideal subject for separation using the inclined method with the Isodynamic Separator. The use of this method, and the results obtained, are described in this report.

Tags: Earth Sciences, GA Publication, Published_External, Record, minerals, research, rock properties
Organization: Geoscience Australia Data
Lower Cretaceous microfossils from L.S.D. No. 2 Well, Susan River, near Maryborough, Queensland

Cuttings from the depth of 20 feet down to 5,200 feet in L.S.D No.2 Well, Susan River, were received from the Lucky Strike Drilling Company for micropalaeontological examination.  From 20 feed down to the depth of 60 feet, the lithology was whitish siltstone.  From 70 feed down to the last sample at 5,200 feet the sediments consisted almost entirely of dark grey to black siltstones.  Lower Cretaceous foraminifera and ostracode were recorded from several samples, the first occurrence being at the depth of 190 feet and the last at 4,890 feet.  The tests were not as numerous or as well preserved as those found in L.S.D No. 1 Cherwell Well reported upon 28/6/55.

Tags: AU-QLD, Earth Sciences, GA Publication, Published_External, Record, palaeontology
Organization: Geoscience Australia Data
Mineral Network Analysis for Heavy Minerals (MNA4HM) web application - a tool to explore big mineral datasets

The Heavy Mineral Map of Australia (HMMA) project1, part of Geoscience Australia’s Exploring for the Future program, determined the abundance and distribution of heavy minerals (HMs; specific gravity &gt;2.9 g/cm3) in 1315 floodplain sediment samples obtained from Geoscience Australia’s National Geochemical Survey of Australia (NGSA) project2. Archived NGSA samples from floodplain landforms were sub-sampled with the 75-430 µm fraction subjected to dense media separation and automated mineralogy assay using a TESCAN Integrated Mineral Analysis (TIMA) instrument at Curtin University.



Interpretation of the massive number of mineral observations generated during the project (~150&nbsp;million mineral observations; 166 unique mineral species) required the development of a novel workflow to allow end users to discover, visualise and interpret mineral co-occurrence and spatial relationships. Mineral Network Analysis (MNA) has been shown to be a dynamic and quantitative tool capable of revealing and visualizing complex patterns of abundance, diversity and distribution in large mineralogical data sets3. To facilitate the application of MNA for the interpretation of the HMMA dataset and efficient communication of the project results, we have developed a Mineral Network Analysis for Heavy Minerals (MNA4HM) web application utilising the ‘Shiny’ platform and R package. The MNA4HM application is used to reveal (1) the abundance and co-occurrences of heavy minerals, (2) their spatial distributions, and (3) their relations to first-order geological and geomorphological features. The latter include geological provinces, mineral deposits, topography and major river basins. Visualisation of the mineral network guides parsimonious yet meaningful mapping of minerals typomorphic of particular geological environments or mineral systems. The mineralogical dataset can be filtered or styled based on mineral attributes (e.g., simplified mineralogical classes) and properties (e.g., chemical composition).



In this talk we will demonstrate an optimised MNA4HM workflow (identification à mapping à interpretation) for exploration targeting selected critical minerals important for the transition to a lower carbon global economy. 



The MNA4HM application is hosted at https://geoscienceaustralia.shinyapps.io/mna4hm and is available for use by the geological community and general public.

This Abstract was submitted and presented to the 2023 Goldschmidt Conference Lyon, France (https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi)

Tags: EFTF, EFTF – Exploring for the Future, Exploration Geochemistry, Geochemical Mapping, Geochemistry, Mineral exploration, Mineral network analysis, Mineralogy, Published_External
Organization: Geoscience Australia Data
Radioactive surveys, Katherine - Darwin area: report on activities of the Darwin Uranium Group, September, 1954

Report on the activities of the administrative and technical sections in the Katherine-Darwin area, to September, 1954. A brief account is given of geophysical operations. The results of prospecting and development work are summarised.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geophysics, mineral exploration, prospectivity, radiometrics, uranium
Organization: Geoscience Australia Data
Radioactive surveys, Katherine - Darwin area: report on activities of the Darwin Uranium Group, December, 1954

Report on the activities of the administrative and technical sections in the Katherine-Darwin area, December, 1954. A brief account is given of geological and geophysical operations.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geology, geophysics, mapping, mineral exploration, prospectivity, uranium
Organization: Geoscience Australia Data
The uranium-copper deposits, Rum Jungle, Northern Territory, Australia: abridged progress report

At Whites Deposit, Rum Jungle, chalcopyrite-uraninite ore has been intersected in a cross-cut at a depth of 100 ft., and sampling shows a grade of 1.5 per cent. U3O8 and 4.6 per cent. Cu. over a distance along the cross-cut of 34ft; material containing an average of 0.94 per cent. U3O8 and 2.97 per cent. Cu extends over 60 ft. Uranium mineralization is known to occur over a length of 200 ft, but the average width and grade over this distance is unknown. The ore replaces flatly pitching drag-folded beds and the width of ore along the strike is expected to vary considerably. At Dysons Prospect, about 30,000 tons of autunite-bearing ore, perhaps containing 0.25 per cent. U3O8, has been indicated by drilling. Browns Prospect is similar in many ways to Whites, but no payable ore has yet been intersected. In the district as a whole leaching of copper and uranium has been extensive and favourable areas are, in many cases, covered by soil. Structural conditions are such that non-outcropping ore is likely to be found. To-date, 3,300 ft. of drilling and approximately 700 ft. of underground prospecting have been carried out in the area and the results obtained are considered highly encouraging. Extensive drilling and underground development are warranted.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geology, mineral deposits, mineral exploration, mineralogy, prospectivity, uranium
Organization: Geoscience Australia Data
Radioactive surveys, Katherine - Darwin area: report on activities June, 1954

Report on the activities of the administrative and technical sections in the Katherine-Darwin area, to June, 1954. A brief account is given of geological and geophysical operations. The results of prospecting and development work are summarised.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geology, geophysics, mineral exploration, prospectivity, radiometrics, uranium
Organization: Geoscience Australia Data
Micropalaeontological examination of rock samples from the Nigo Nigo River area, (Mullins Harbour - Wedau reconnaissance), South Eastern Papua

During the Mullins Harbour - Wedau Reconnaissance (South Eastern Papua) carried [out] in 1953 by Mr. J.E. Thompson, Senior Geologist of the Bureau of Mineral Resources, a section was sampled along the Middle Nigo-Nigo River. Of a number of samples sent to Canberra for petrological and palaeontological examination only eight proved fossiliferous. The following is a list of samples examined listing lithology and microfauna determined by the author and the age assigned to each.

Tags: Earth Sciences, GA Publication, PG, Published_External, Record, palaeontology
Organization: Geoscience Australia Data
Gravity survey in the Fitzroy Basin, Kimberley Division, Western Australia, with special reference to the Nerrima structure

The Fitzroy Basin is situated south-east of Derby in the Kimberley Division of Western Australia. Results are given of a semi-detailed gravity survey which was made of the portion of the basin between longitudes 123Â°40' and 124Â°30' and latitudes 18Â°05' and 18Â°40'. The survey disclosed a large basin structure at least 7,000-8,000 feet deep and a few minor anomalies which may prove important. It is not known whether the higher density formation at 7,000-8,000 feet depth in the basin represents  Pre-Cambrian basement or sediments of Devonian or Ordovician age. The position of, and displacement on, the Fenton Fault system were indicated. A detailed gravity survey of the Nerrima structure confirmed the existence of faults which had been mapped by the Bureau's geological and seismic parties, but was unable to determine the depths to which these faults penetrated. Seismic refraction work and test drilling are recommended south of the Fenton Fault, between Barnes' Flow and Mt. James, to disclose the nature of the higher density formation. Recommendations are also made for an extension of the detailed gravity survey to areas in which anomalies were revealed by the semi-detailed survey.

Tags: AU-WA, GA Publication, Gravimetrics, Published_External, Record, geology, gravity
Organization: Geoscience Australia Data
Manganese deposits near Ragged Hills, Gregory Range, North-West Division, Western Australia

Manganese deposits in the Gregory Range, Western Australia were examined and mapped by officers of the Geological Survey of Western Australia and the Bureau of Mineral Resources jointly. The investigation indicated the presence of 93,000 tons of manganese ore distributed between 37 separate bodies contained in 13 groups. Numerous small bodies each containing less than 200 tons of ore have not been included in the tonnage estimate. The grade determined by chip sampling the surfaces of the outcrops is generally high. The range of composition of samples is: [see table in record]. The deposits occur as replacements of silicified bands in dolomitic limestone and as fillings of irregular cavities in the limestone. A few thin deposits in the south-eastern sector of the field overlie quartzose rocks.

Tags: AU-WA, Earth Sciences, GA Publication, Published_External, Record, economic geology, mineral deposits, resource assessment
Organization: Geoscience Australia Data
Pre-Permian, probably Devonian, plants from near Gregory's Salt Sea, Western Australia

The reconnaissance field work of Reeves (1949) had apparently established that all the sedimentary rocks in the vicinity of Gregory's Salt Sea and along the upper reaches of Sturt Creek (Mt Bannerman, Mt. Muller) belong to the Permian System. However, while there can be no doubt that Permian rocks are present in this area, it is now equally certain that, in places, they form only a thin veneer over older Palaeozoic beds. This discovery is the result of a study of some specimens in the collection of fossils made by Reeves and his colleagues on behalf of the Vacuum Oil Company in 1948. The collection was presented to the Geology Department, University of Melbourne, by the Vacuum Oil Company. C. Teichert had originally examined the material, and a list of the fossils identified by him is found as an appendix in Reeves' report (1949). The critical specimen (No. 556 of Reeves' collection) is 9 miles from the Pallotine Mission on a bearing of 80 degrees, near Gregory's Salt Sea. In Teichert's list it appears as "Lepidodendron? impression". After the departure to America of C. Teichert the junior author of this report, while sorting out specimens belonging to the University from those that belong to the Bureau of Mineral Resources, noticed that specimen No. 556 looked somewhat different from the common types of plant remains he knew from Carboniferous and Permian rocks of the Carnarvon Basin area. Not being familiar with the identification of plant fossils he then consulted the senior author.

Tags: AU-WA, Earth Sciences, GA Publication, Published_External, Record, palaeontology
Organization: Geoscience Australia Data
Preliminary geological and geophysical report on the Burrundie Prospect, Northern Territory

This report is an account of geological and geophysical investigations of the Burrundie Radioactive Prospect, which is located three and a half miles west-south-west of Burrundie Siding on the North Australian Railway.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, economic geology, geology, geophysics, radiometrics
Organization: Geoscience Australia Data
L116 Central Eromanga Basin seismic survey, QLD, 1982 Stacked seismic data and images for lines BMR81-7E, BMR81-7W, BMR812-09, BMR81-10, and BMR81-12

Geoscience Australia conducted a seismic survey in the central Eromanga Basin in Queensland in 1981. This survey was a continuation of the work undertaken in 1980 to investigate the structure, stratigraphy, geological and tectonic evolution, and petroleum potential of the area. The survey obtained 438 km of six-fold Common-Depth-Point seismic reflection data, in the Quilpie Trough and over the Cooper and Thomson Synclines.

Tags: AU-QLD, HVC_144637, Published_External, Seismic Data seismic survey, Seismology and Seismic Exploration, geophysics, mineral exploration, petroleum exploration, seismic reflection, seismic sections
Organization: Geoscience Australia Data
Micropalaeontological examination of samples from Grierson No 3 structure hole, Carnarvon Basin, Western Australia

This paper provides a Micropalaeontological examination of samples from Carnarvon Basin, Western Australia. Samples of six cores from this bore were forwarded for palaeontological examination by West Australian Petroleum Pty. Ltd. The fauna from each core, with notes on the age and correlation is provided in this paper.

Tags: AU-WA, Earth Sciences, GA Publication, Published_External, Record, palaeontology
Organization: Geoscience Australia Data
Radioactive surveys, Katherine - Darwin area: report on activities of the Darwin Uranium Group. August, 1954

Report on the activities of the administrative and technical sections in the Katherine-Darwin area, to August, 1954. A brief account is given of geological and geophysical operations. The results of prospecting and development work are summarised.

Tags: AU-NT, Earth Sciences, GA Publication, Published_External, Record, geophysics, mineral exploration, prospectivity, radiometrics, uranium
Organization: Geoscience Australia Data