PODCAST

Geo-News Radio

12174863533

A voice-only podcast about geology and earth sciences in general.

science earth sciences

All Episodes

7:05

Geomathematical Innovations with Ricardo Valls

Geo-News Radio ·

2025/01/09

Discover the evolution and significance of geomathematical models in geology and resource management with insights from Ricardo Valls. Understand the role of mechanical and chemo-mechanical anomalies in resource extraction and how these models have transformed predictions and data analysis. Ricardo shares compelling stories from his career, illustrating the transformative power of these cutting edge tools.P. Geo. Ricardo A Valls, M. Sc. Valls Geoconsultant ORCID ID- https://orcid.org/0000-000...

en-ca

8:40

Mars' Hidden Shapes: The Science Behind Polygonal...

Geo-News Radio ·

2025/01/08

Scientists have discovered enigmatic polygonal structures buried beneath Mars' surface, providing fresh insights into the planet's geological history. These formations, visible through advanced radar imaging, suggest that ancient processes shaped Mars' crust in ways previously unknown. While polygonal features have been observed on other planetary surfaces, these newly discovered Martian patterns indicate a deeper and more complex story tied to the planet's evolution.The buried polygons hint ...

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6:17

Deep Ocean Discovery Challenges Our Understanding of...

Geo-News Radio ·

2025/01/07

Geologists have utilized an innovative high-resolution model to examine the Earth's mantle structure, discovering unexpected zones beneath the western Pacific Ocean. These zones exhibit characteristics akin to remnants of submerged tectonic plates but are situated far from known plate boundaries where subduction typically occurs. Notably, there is no geological evidence of subduction in these specific locations, presenting a challenge to existing plate tectonic theories and prompting new inqu...

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18:50

Wolframita, scheelita y granates, ¡vaya por Dios! Una...

Geo-News Radio ·

2025/01/06

El yacimiento de Polski Gradets, en el sureste de Bulgaria, es una fuente potencial de wolframio, una materia prima fundamental. Este estudio examinó las características mineralógicas y geoquímicas de la wolframita, la scheelita y los granates hallados en las vetas de cuarzo hidrotermales y los skarns de la zona. Los investigadores utilizaron diversas técnicas, como la microscopía polarizante, la microscopía electrónica de barrido y la espectrometría de masas con plasma de acoplamiento induct...

en-ca

9:51

Wolframite, Scheelite, and Garnets, Oh My! A Look...

Geo-News Radio ·

2025/01/06

The Polski Gradets ore occurrence in southeastern Bulgaria is a potential source of tungsten, a critical raw material. This study examined the mineralogical and geochemical characteristics of wolframite, scheelite, and garnets found in hydrothermal quartz veins and skarns in the area. The researchers used a variety of techniques, including polarizing microscopy, scanning electron microscopy, and laser ablation inductively coupled plasma mass spectrometry. The study found that wolframite is th...

en-ca

7:23

Más allá de la tectónica de placas: Del manto...

Geo-News Radio ·

2025/01/05

Una investigación reciente ha desvelado que la cuenca de Konya, en la meseta central de Anatolia, en Turquía, se está hundiendo debido a un proceso conocido como goteo litosférico. This fenómeno consiste en que fragmentos densos de la litosfera terrestre se desprenden y se hunden en el manto, dando lugar a deformaciones de la superficie como cuencas y levantamientos. The estudio utilizó mediciones por satélite, datos sísmicos y simulaciones de laboratorio para identificar este proceso, propor...

en-ca

8:55

Beyond Plate Tectonics: From Earth's Mantle to Other...

Geo-News Radio ·

2025/01/05

Recent research has unveiled that the Konya Basin within Turkey's Central Anatolian Plateau is subsiding due to a process known as lithospheric dripping.This phenomenon involves dense fragments of Earth's lithosphere detaching and sinking into the mantle, leading to surface deformations like basins and uplifts.The study utilized satellite measurements, seismic data, and laboratory simulations to identify this process, providing insights into tectonic activities that may also occur on other pl...

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15:13

Finding Hidden Mineral Deposits: New AI Technology...

Geo-News Radio ·

2025/01/04

This groundbreaking research introduces a novel data-knowledge dual-driven model that combines artificial intelligence with mineral systems approach for mineral prospectivity mapping. The study focuses on Fe polymetallic deposits in southwestern Fujian Province, China, integrating geological, geochemical, and geophysical data through advanced machine learning techniques including Graph Convolutional Neural Networks (GCNs) and Long Short-Term Memory (LSTM) networks.The model's architecture inn...

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6:51

Mapping the Invisible: Geophysical Breakthroughs in...

Geo-News Radio ·

2025/01/03

The Qing-Chengzi deposit in China presents a unique challenge for mineral exploration, with shallow deposits depleted and the need to search deeper. Researchers have employed high-precision ground magnetic surveys to map subsurface structures, using variations in the Earth's magnetic field to indicate the presence of ore deposits. The study showcases advanced techniques such as remanence correction, lineament enhancement, and 3D inversion to create a detailed picture of the subsurface geology...

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9:37

From Data to Decisions: Advanced Machine Learning...

Geo-News Radio ·

2025/01/01

The discussion revolves around a groundbreaking paper that introduces a novel approach to predicting complex geology before drilling begins in the oil and gas industry. This innovative method combines Generative Adversarial Networks (GANs) and Forward Deep Neural Networks (FDNNs) to create a powerful decision support system (DSS) for geosteering. GANs generate realistic geological models by learning from high-fidelity simulations, while FDNNs act as fast proxies for computationally expensive ...

en-ca

13:32

Yacimientos de pórfidos de Au en la región de los...

Geo-News Radio ·

2025/01/01

Unos investigadores han descubierto un importante yacimiento de pórfidos de oro, Biely vrch, en la región eslovaca de los Cárpatos-Panonia, dentro de volcanitas neógenas. Este hallazgo amplía los tipos de yacimientos económicos conocidos en la zona y sugiere una nueva perspectiva sobre el potencial mineral de la región. Las características del yacimiento, incluida su baja relación Au/Cu y la elevada finura del oro, son típicas de los yacimientos de pórfidos de Au. Se recomiendaproseguir...

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13:59

Au-Porphyry Deposits in the Carpathian-Pannonian Region

Geo-News Radio ·

2025/01/01

Researchers have discovered a significant gold-porphyry deposit, Biely vrch, in Slovakia's Carpathian-Pannonian region, within Neogene volcanites. This finding expands the known economic deposit types in the area and suggests a new perspective on the region's mineral potential. The deposit's characteristics, including its low Au/Cu ratio and high gold fineness, are typical of Au-porphyry deposits. Further exploration is recommended using various geological and geochemical methods, parti...

en-ca

18:34

Exploration Geology: Using Lithocaps to Find Gold and...

Geo-News Radio ·

2024/12/10

This transcript details a presentation on lithological caps (lith caps), focusing on their characteristics, formation, and exploration. The speaker, a senior lecturer in economic geology, discusses key alteration minerals and assemblages within lith caps, emphasizing their use in identifying high-grade mineralization. Hyperspectral techniques and mineral chemistry analysis, particularly of alunite, are presented as advanced exploration tools for locating these deposits. The presentation inclu...

en-ca

12:04

The Secret Underwater Continent: Discovering Zealandia

Geo-News Radio ·

2024/12/09

Scientists have completed a comprehensive geological map of Zealandia, a largely submerged landmass considered by many to be Earth's eighth continent. The research, published in Tectonics, involved analyzing rock samples to determine the age and composition of the landmass. Findings suggest Zealandia's formation involved continental stretching and thinning, leading to its submersion millions of years ago. This mapping effort concludes the geological reconnaissance of the entire area,

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3:23

From Ancient Climates to Space Exploration: The Power...

Geo-News Radio ·

2024/12/08

Geochemistry is a powerful scientific tool with wide-ranging applications. It helps us understand past climate change by analyzing geological records, revealing how Earth's climate has shifted over time and informing predictions about future change. Furthermore, geochemistry plays a crucial role in understanding the origins of life on Earth and searching for life elsewhere in the universe. The field also contributes to disaster prediction by analyzing chemical indicators of volcanic eruptions...

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17:58

Field Geology Like a Pro: iPhone Apps for Data...

Geo-News Radio ·

2024/12/06

Ricardo, a professional scientist with over 44 years of international experience, presents a tutorial on geological field applications for iPhones. He highlights several apps including Measure for measuring distances, an EMF detector, GeoTools for accessing global gravity and magnetic data, and RockId for identifying rock types and geological formations. Additionally, he mentions apps for tracking location and paleo-geological reconstructions. Ricardo emphasizes the importance of thorough dat...

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18:44

Empirical Cumulative Distribution Functions Anomaly...

Geo-News Radio ·

2024/12/05

Read the full article here- https://www.sciencedirect.com/science/article/pii/S0375674224002784This research paper assesses the effectiveness of the Empirical Cumulative Distribution Functions for outlier detection (ECOD) method in identifying geochemical anomalies indicative of copper mineralization in southeastern Iran's Baft district. The study compares ECOD's performance against the Local Outlier Factor (LOF) method using multivariate stream sediment geochemical data, evaluating results w...

en-ca

14:14

Geoscience Breakthrough: The East Pacific Rise...

Geo-News Radio ·

2024/12/04

Geoscientists, using seismic imaging, discovered a thickened area in Earth's mantle, representing a fossilized ancient seafloor that subducted 250 million years ago in the East Pacific Rise. This finding, published in Science Advances, challenges prior understanding of subduction speed and provides new insights into the relationship between deep Earth structures and surface geology. The slow movement suggests the mantle transition zone acts as a barrier. This discovery also helps explain the ...

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15:52

Geochemical Characterization of and Exploration Guide...

Geo-News Radio ·

2024/12/02

This research article presents a comprehensive geochemical study of the Touro copper deposit in the northwestern Iberian Peninsula. The authors characterize the deposit's mineralogy and geochemistry using various analytical techniques, including electron probe microanalysis and isotope analysis. Their findings support the classification of Touro as a mafic-siliciclastic volcanic massive sulfide (VMS) deposit formed in a back-arc basin setting during the Ordovician. The study also examines the

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17:00

Compositional data Analysis for Geologists

Geo-News Radio ·

2024/12/01

Episode 8 of the "Golden Droplets" webinar series introduces compositional data analysis (CDA), highlighting its importance for geologists. The speaker demonstrates how CDA, using software like CoDaPack, addresses issues with traditional correlation analysis in closed geochemical datasets, eliminating spurious correlations and improving the accuracy of geochemical maps. Episode 10 continues the CDA series, showing how to process data obtained from CoDaPack in Excel, including methods fo...

en-ca

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