Stephanie Soquet’s Post

Time of proto-Earth reservoir formation and volatile element depletion from 53Mn-53Cr chronometry. Abstract:"The 53Mn-53Cr chronometry of Solar System materials constrains the early chemical evolution of the protoplanetary disk, which is critical for planet formation. Mn/Cr ratios in carbonaceous chondrites and the bulk silicate Earth indicate that meteorite parent bodies and Earth have variable depletions in volatile elements compared to the bulk Solar composition. This depletion is a consequence of the local temperature decreasing as a function of heliocentric distance before planetesimal accretion. Back-tracking the present-day ε53Cr composition of the hypothetical proto-Earth fraction shows that the cessation of Mn-Cr fractionation from the bulk Solar composition occurred no later than ~3 Ma after CAI formation, similar to disk regions of carbonaceous chondrites at greater heliocentric distances. The timing of limited solid-gas interaction due to the dissipation of gas from the protoplanetary disk caused the cessation of Mn-Cr fractionation and provides a lower limit on its lifetime." Pascal M. Kruttasch* and Klaus Mezger  Institut für Geologie, Universität Bern, 3012 Bern, Switzerland.

Publication Alert 🔔 We are delighted to share our latest publication in #Geothermics (Elsevier): “A review on multiple approaches for geothermal exploration in India and the way forward” Authored by Mr. Mohammad Taqi Daqiq (PhD Scholar, Department of Earth Sciences, IIT Roorkee), with Prof. Ravi Sharma and Dr. Gautam Rawat (#WIHG), this review consolidates India’s geothermal research landscape, from traditional hot spring studies to advanced geophysical, geochemical, and remote sensing techniques. 🔑 Highlights of the study: Comprehensive review of geothermal exploration methods in India. Updated geothermal province map and heat flow map of Peninsular India. Policy perspectives and the call for a centralized geothermal resource management system. A roadmap integrating remote sensing, geophysics, geology, and geochemistry for future exploration. 🌍 As India accelerates its renewable energy mission, geothermal remains an underutilized green resource with immense potential. We hope this work inspires further research, collaboration, and policy action. 📖 Full paper (50 days free access): https://lnkd.in/gzhXDT-n 🔍 DOI: https://lnkd.in/gU9-QmjK #Geothermal #RenewableEnergy #SustainableDevelopment #IITRoorkee #WIHG #Elsevier #Geoscience #India

Source: (Scientific reports) Study on low-temperature carbonation of CO₂ in ultramafic rocks shows effective mineral trapping, with significant transformations observed in serpentinized harzburgite. After 14 days at 40 °C and 60 bars, 70% nesquehonite formed, and hydrotalcite fully carbonated, indicating ultramafic rocks' potential in geologic carbon sequestration (GCS). Further research on diverse ultramafic lithologies and layered double hydroxides (LDH) is needed for comprehensive understanding.

At the 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗲 𝗼𝗻 𝗣𝘂𝗺𝗽𝗲𝗱 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 𝗛𝘆𝗱𝗿𝗼 𝗣𝗼𝘄𝗲𝗿 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝗼𝗻, hosted by Indian Institute of Technology, Roorkee's HRED, our MD, Dr. Sanjay Rana highlighted a critical step in PSP development: 𝗧𝗵𝗲 𝘁𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝗴𝗲𝗼𝗽𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝗺𝗼𝗱𝗲𝗹𝘀 𝗶𝗻𝘁𝗼 𝗴𝗲𝗼-𝗺𝗼𝗱𝗲𝗹𝘀 - a process that bridges raw subsurface data with practical engineering insights. This integration not only reduces geological surprises but also enhances design precision, safety, and cost efficiency in hydro and pumped storage projects. As India accelerates its energy transition, geophysics is becoming the backbone of smarter, faster, and more reliable PSP development. #PumpedStorage #Hydropower #Geophysics #SustainableEnergy #IITRoorkee #GeoModel #EnergyTransition #Parsan

A significant geo-hydrogen source has been identified west of the Mussau Trench, with analysis revealing a large cluster of hydrothermal pipes, known as the Kunlun pipe swarm. These structures, ranging from 450 to 1,800 meters in diameter, exhibit evidence of past hydrogen hydrothermal activity and ongoing gas leakage. The findings suggest that substantial quantities of hydrogen may be stored deep within the oceanic lithospheric mantle, presenting new opportunities for future hydrogen extraction and advancing the potential for clean energy resources. This discovery marks a notable development in understanding geological hydrogen reserves.

This week’s project spotlight: Modeling multiphase transport in the solid earth 🌍 Understanding complex geophysical processes like magma percolation and dyking requires advanced mathematical models that capture multiphase, multicomponent transport. This project, led by Nima Hosseinian of Universitat Politècnica de Catalunya in collaboration with Faculty of Geo-Information Science and Earth Observation (ITC) of the University of Twente, focuses on the numerical modeling and simulation of thermo-chemo-mechanical behavior of the solid earth within a fully coupled framework. Project key outcomes include simulations of thermal fields and mineral/chemical distributions, and insights into subsurface dynamics relevant for mineral prospecting and geothermal energy exploitation. By improving the accuracy and efficiency of earth system models, this research supports sustainable resource exploration and contributes to the clean energy transition. Interested in connecting or learning more? 📩 Reach out: earthsafe-itc@utwente.nl 🌐 Visit: https://earthsafe-dn.eu This project is co-funded by the European Union under #HorizonEU (HORIZON MSCA-DN 101120556) and UK Research and Innovation (EP/Y030265/1). Views and opinions expressed are those of the project team and do not necessarily reflect those of the European Union or UKRI. #Geophysics #Geodynamics #MultiphaseModeling #GeothermalEnergy #MineralExploration #ComputationalScience #EarthSafeEU #NumericalSimulation

🌍 GeoBlog Launch We are delighted to introduce the very first edition of the Geo-Blog Series under the banner of the Geophysical Society, IIT ISM Dhanbad. This initiative aims to create a knowledge-sharing platform where students, researchers, and professionals come together to explore and discuss the dynamic world of geophysics and its applications. In this issue, under the Geothermal and Green Energy section, we highlight the vital role of geoscience in advancing sustainable solutions for the future—bridging earth’s resources with renewable innovations. Stay tuned as we embark on this journey of learning, dialogue, and discovery! 🌱⚡ Volume 1, Issue 1.1 Section: GB.D. Geothermal and Green Energy Title: EGS for deep sedimentary basins Author: Sreeja . Indian Institute of Technology (Indian School of Mines), Dhanbad #geothermal #geophysics #exploration

The 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗲 𝗼𝗻 𝗣𝘂𝗺𝗽𝗲𝗱 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 𝗛𝘆𝗱𝗿𝗼 𝗣𝗼𝘄𝗲𝗿 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝗼𝗻, hosted by Indian Institute of Technology, Roorkee's HRED, highlighted a critical step in PSP development: 𝗧𝗵𝗲 𝘁𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝗴𝗲𝗼𝗽𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝗺𝗼𝗱𝗲𝗹𝘀 𝗶𝗻𝘁𝗼 𝗴𝗲𝗼-𝗺𝗼𝗱𝗲𝗹𝘀 - a process that bridges raw subsurface data with practical engineering insights. This integration not only reduces geological surprises but also enhances design precision, safety, and cost efficiency in hydro and pumped storage projects. As India accelerates its energy transition, geophysics is becoming the backbone of smarter, faster, and more reliable PSP development. #PumpedStorage #Hydropower #Geophysics #SustainableEnergy #IITRoorkee #GeoModel #EnergyTransition #Parsan

What if life’s spark doesn’t start on planets—but in space itself? In a lab mimicking the frigid vacuum and radiation of the cosmos, scientists have for the first time synthesized methanetetrol—a molecule many thought too unstable to exist. Often dubbed a "prebiotic bomb" or “seed of life,” this “super alcohol” carries four OH (hydroxyl) groups on a single carbon atom—an extremely reactive structure with huge implications. Here’s why it matters: • Reacts explosively with energy—producing water, hydrogen peroxide, and other organic compounds life depends on. • Forms under deep-space conditions, meaning it could naturally occur in stellar nurseries or interstellar clouds. • Bridges the gap between chemistry and life’s origins—suggesting prebiotic chemistry might begin before planets even form. As the team described it: methanetetrol is the acorn that, when energized, could grow into the tree of life. This discovery doesn’t just push chemical boundaries—it expands hope for how and where life might emerge in the universe. #Astrobiology #PrebioticChemistry #Methanetetrol #OriginOfLife #SpaceScience #CosmicChemistry #LifeInSpace #STEM #UniverseMysteries