News 2024

EarthByte Seminar Series: Addison Tu

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Join us for an exciting EarthByte seminar on August 7th! Addison Tu, a PhD candidate in the EarthByte Group at the School of Geosciences, University of Sydney, will give an interesting talk about: “Combined machine learning and landscape evolution models reveal hidden mineral deposits needed for the energy transition.”   Seminar Details: Date: Wednesday, August … Read more…

EarthByte Seminar Series: Simon George

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Join us for an exciting EarthByte seminar on September 4th!

We are excited to welcome Simon George from Macquarie University to our EarthByte Seminar!
Simon George, an Emeritus Professor at the School of Natural Sciences at Macquarie University, will give an interesting talk about:
“Preliminary results of IODP Expedition 401, the first element of the Miocene Mediterranean-Atlantic Gateway (IMMAGE) Land-2-Sea drilling project”
 

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EarthByte Seminar Series: Wang Tiangang

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An interesting EarthByte Seminar!
“Let’s dive into the exploration of Papua New Guinea at the EarthByte Seminar on July 10th, 2024!”
Wang Tiangang, a PhD and exploration geologist at the Nanjing Center of the China Geological Survey, will give an interesting talk about:
“Locating New Deposits from Geochemical Anomalies Integrated with Geological and Geophysical Information”

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EarthByte Seminar Series: Christopher Alfonso

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An insightful EarthByte Seminar (12th Jun)!
Christopher Alfonso, a PhD candidate in the EarthByte Group at the School of Geosciences, University of Sydney, will give an interesting talk about: “Predicting global porphyry copper prospectivity using positive-unlabelled machine learning”
 

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Keynote Talk at Exploration in the House: Critical minerals – prospectivity mapping using generative AI

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In the recent Exploration in the House event at Parliament House in Sydney Dietmar provided an overview of the use of generative AI for assessing copper, nickel and cobalt prospectivity in the Lachlan fold belt, based on the Honours thesis of Nathan Wake, and work by Ehsan Farahbakhsh and Vera Nolte-Wilson. The event also featured … Read more…

Exploration in the House: AI, new data, new exploration futures

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EXPLORATION IN THE HOUSE – NEW DATA, NEW EXPLORATION FUTURES The half-day event on Friday 10 May will feature a keynote presentation on the applications of artificial intelligence-driven data processing in the search for critical minerals. Join Mining, Exploration and Geoscience for Exploration in the House – New data, new exploration futures at the NSW … Read more…

EarthByte Seminar Series: Nick Mortimer

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A thought-provoking EarthByte Seminar (15th May)!
Nick Mortimer from GNS Science’s Dunedin office, and an Honorary Associate at the School of Geosciences, University of Sydney, will give an interesting talk with the title ”Basement terrane crustal structure under Taupo Volcanic Zone, New Zealand: a context for supercritical geothermal resources”
 

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Space News: Surprising connections between Earth and Mars

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Space Connect reported how EarthByters discovered that Earth’s interactions with Mars can drive deep sea circulation here on Earth. The podcast covers how geological records of the deep sea were used to discover a link between the orbits of the two planets and past global warming patterns, talking through the research and their collaboration with Sorbonne … Read more…

Quirks and Quarks: EarthByte on Canadian National Radio with a story on Earth, Mars and ocean mixing

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Mars has more influence on Earth than non-astrologers might have thought. Mars is, on average, about 225 million kilometres from Earth, which would suggest that it has little impact on our planet. Which is true, but as they say, a little goes a long way. In our recent paper in Nature Communications, we studied the history of deep … Read more…

Download GPlates 2.5

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Welcome to the download page for GPlates 2.5. Information about this release may be found on the News page of the GPlates website. This page contains the following sections: Download file descriptions There are 10 download files consisting of: GPlates binary installers The binary installers include GPlates and the GPlates-compatible geodata. For Windows: For macOS … Read more…

EarthByte Seminar Series: Zijing Luo

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An interesting seminar with Zijing Luo from the China University of Geosciences. In this EarthByte Seminar Series event, Zijing Luo will talk about “Prospectivity mapping of rare earth elements through geochemical data analysis and bespoke deviation network training.”

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Welcome New PhD Candidate Elnaz Heidari

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Elnaz is a PhD candidate at the University of Sydney’s EarthByte Group, School of Geosciences. With a MSc degree in Mining Engineering – Mineral Exploration from Amirkabir University of Technology, she has gained practical experience through her involvement in various mineral exploration projects for industry, where she employed remote sensing techniques with satellite data and … Read more…

EarthByte Seminar Series: Shuyan Yu

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Join us for another thought-provoking event with Shuyan from Central South University, China. In this EarthByte Seminar Series event, Shuyan Yu will talk about “Novel Machine Learning Approaches for Identifying Multivariate Geochemical Anomalies Considering Spatial Structures.”.

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Mars attracts: how Earth’s planetary interactions drive deep-sea circulation

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12 March 2024, The University of Sydney Media Release Giant whirlpools in warming oceans could mitigate Gulf Stream stagnation Geoscientists at Sydney and Sorbonne have identified a 2.4-million-year cycle in the geological record that show the energy of deep-sea currents wax and wane as oceans cool and warm. Earth’s distance to Mars varies between 55 … Read more…

Nature Communications: Deep-sea hiatus record reveals orbital pacing by 2.4 Myr eccentricity grand cycles

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Astronomical forcing of Earth’s climate is embedded in the rhythms of stratigraphic records, most famously as short-period (10^4–10^5 year) Milankovitch cycles. Astronomical grand cycles with periods of millions of years also modulate climate variability but have been detected in relatively few proxy records. Here, we apply spectral analysis to a dataset of Cenozoic deep-sea hiatuses … Read more…

EarthByte Seminar Series: Guo Dongshan

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Join us for a fascinating talk with Guo Dongshan from Zhejiang University. In this EarthByte Seminar Series event, Guo will talk about 1.2-Myr Obliquity Amplitude Modulated the Growth Process of Crusts: Evidence From the Time-Series Analysis of the Crust from CB Seamoun.

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New data set for refined boundaries between continental and ocean crust released

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Earth’s topography and bathymetry with revised boundaries between continental and ocean crust overlain as thin red lines. We have released a refined data set of the boundaries between continental and ocean crust (COBs). The data can be downloaded from zenodo as GPlates-compatible gpmlz and as ESRI shapefile. The COBs are based on the data set … Read more…

A new explanation for the Neoproterozoic Snowball Earth episodes

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Reposted from Earth Logs by Steve Drury The Cryogenian Period that lasted from 860 to 635 million years ago is aptly named, for it encompassed two maybe three episodes of glaciation. Each left a mark on every modern continent and extended from the poles to the Equator. In some way, this series of long, frigid … Read more…

Geology: Submarine volcanism along shallow ridges did not drive Cryogenian cap carbonate formation

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The termination of Neoproterozoic “Snowball Earth” glaciations is marked globally by laterally extensive neritic cap carbonates directly overlying glacial diamictites. The formation of these unique deposits on deglaciation calls for anomalously high CaCO3 saturation. A popular mechanism to account for the source of requisite ocean alkalinity is the shallow-ridge hypothesis, in which initial spreading ridges … Read more…

EarthByte Seminar Series: Dr. Amando Lasabuda

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Join us for a fascinating talk with Dr. Amando Lasabuda from University of Oslo and The University of Sydney. In this EarthByte Seminar Series event, Amando will talk about reconstructing the paleogeography of glaciated continental margins and their sediment source-to-sink systems with an example from the Barents Sea, Norwegian Arctic.

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Geology: Duration of Sturtian “Snowball Earth” glaciation linked to exceptionally low mid-ocean ridge outgassing

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The Sturtian ‘Snowball Earth’ glaciation (~717–661 Ma) is regarded as the most extreme interval of icehouse climate in Earth’s history. The exact trigger and sustention mechanisms for this long-lived global glaciation remain obscure. The most widely debated causes are silicate weathering of the ~718 Ma Franklin LIP, and changes in the length and degassing of … Read more…

EarthByte Seminar Series: Dr. Antoniette Grima

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Join us for an insightful seminar with Antoniette from University of Glasgow. In this EarthByte Seminar Series event, Antoniette will talk about the evolution of slab morphology and topography at subduction zones. Her work can contribute to a better understanding of subduction processes from deep slab dynamics to continental deformation, the evolution of topography at subduction zones, and basin formation and continental extension.

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Tectonics: Differential Uplift Triggered Basin-And-Range System: Evidence From Low-Temperature Thermochronology in Eastern NE Asia

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Since the Mesozoic, eastern NE Asia has experienced multiple tectonic events, resulting in a complex structure and forming one of the world’s largest Meso-Cenozoic lacustrine basin systems. Presently, basin evolution models require further elucidation regarding the simultaneous generation of diverse rift basins and the potential impact stemming from the closure of the Mudanjiang Ocean, whose … Read more…

EarthByte Seminar Series: Hojat Shirmard

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Join us for an insightful seminar with Hojat Shirmard from the EarthByte Group. In this EarthByte Seminar Series event, Hojat will delve into the discovery of a new deep-seated world-class porphyry copper deposit named Sereydoun, which resulted from a distinctive approach to processing, analyzing, and interpreting airborne geophysical data and satellite images in the cluster of Sarcheshmeh copper porphyry mine.

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