Article
Geochemistry & Geophysics
Houraa Daher, Brian K. Arbic, James G. Williams, Joseph K. Ansong, Dale H. Boggs, Malte Mueller, Michael Schindelegger, Jacqueline Austermann, Bruce D. Cornuelle, Eliana B. Crawford, Oliver B. Fringer, Harriet C. P. Lau, Simon J. Lock, Adam C. Maloof, Dimitris Menemenlis, Jerry X. Mitrovica, J. A. Mattias Green, Matthew Huber
Summary: The study investigates the relationship between tides and factors such as Earth's rotation rate, lunar orbit, and inclination by integrating the Earth-Moon system backwards. It suggests that early Earth's ocean tidal energy dissipation rates may have exceeded today's rates, and tidal and core-mantle boundary dissipation within the Moon plays a significant role in the early evolution of the Earth-Moon system.
JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
(2021)
Article
Geochemistry & Geophysics
M. H. Shahnas, R. N. Pysklywec
Summary: Recent theoretical studies have found that the properties of the mantle in massive rocky planets are different from those of Earth's mantle. The diffusion process and the dissociation transition of minerals at high pressures have significant effects on the mantle circulation in super-Earth planets. Additionally, the conductivity contribution of electrons increases with temperature. Numerical models show that small-scale convective layers can develop at the top of the core-mantle boundary due to the buffering influence of the dissociation transition. Penetrative superplumes originating from deep mantle-layered regions can maintain the heat flux and survive for billions of years without significant lateral migration.
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
(2023)
Article
Geochemistry & Geophysics
Axel Montigny, Damian Walwer, Chloe Michaut
Summary: The study focuses on floor-fractured craters (FFCs) on the Moon and Mars, with findings suggesting that cracks on Mars may be due to tensile stresses caused by material shrinkage, unlike cracks on the Moon which are caused by magmatic intrusions.
EARTH AND PLANETARY SCIENCE LETTERS
(2022)
Article
Geochemistry & Geophysics
Jiawei Zuo, A. Alexander G. Webb, Tim E. Johnson, N. Ryan McKenzie, Christopher L. Kirkland, Hin Ching Ng, Chi Yu Lo
Summary: The study reveals that there is a significant increase in the contribution of high Δt(DZ) detrital zircons after 3.4 billion years, with samples from 3.4-2.8 billion years showing a higher mean Δt(DZ90) value compared to samples before 3.4 billion years. Zircons with >250 million year Δt(DZ) values only occur after around 3.23 billion years.
EARTH AND PLANETARY SCIENCE LETTERS
(2021)
Article
Geochemistry & Geophysics
Wen-Yi Zhou, Peter L. Olson, Charles K. Shearer, Carl B. Agee, Joshua P. Townsend, Ming Hao, Mingqiang Hou, Jin S. Zhang
Summary: Mars lacks ongoing tectonic activities due to the smaller density contrast between its crustal slab and mantle compared to Earth. High pressure-temperature experiments on Martian basalts reveal geochemical evolution and suggest that sustained buoyancy-driven subduction of thin slabs was unlikely in early Martian history. Further experiments exploring wider composition and pressure-temperature ranges are needed to fully understand the tectonic history of Mars.
EARTH AND PLANETARY SCIENCE LETTERS
(2022)
Article
Engineering, Electrical & Electronic
Bjorn Saude, Nathan LaSart, James Blair, Omid Beik
Summary: This letter proposes a DC microgrid for sustainable power generation on the Mars/Moon, which includes a wind turbine system, solar panels, and a battery energy storage system. The challenges and simulation results for power generation on Mars/Moon are discussed.
IEEE TRANSACTIONS ON SMART GRID
(2023)
Article
Environmental Sciences
Johnny Seales, Adrian Lenardic, Mark Richards
Summary: Despite planetary cooling and a lack of thermal equilibrium in the mantle, data-constrained numerical models show that the self-regulated mantle evolution, maintained by thermal and water cycling feedbacks, has allowed magma and volcanic activity to continue on Earth. Thus, the deep-water cycling and coupled feedback mechanisms have played a crucial role in maintaining a near-constant mantle viscosity and sustaining magmatic activity throughout Earth's history.
COMMUNICATIONS EARTH & ENVIRONMENT
(2022)
Article
Geosciences, Multidisciplinary
Jean-Christophe Wrobel-Daveau, Graeme Nicoll, Michael G. Tetley, Benjamin Greselle, Lucia Perez-Diaz, Andrew Davies, Bruce M. Eglington
Summary: The formulation of plate tectonic theory and its application in simulating the motion of lithospheric units has significantly advanced geosciences, supporting industry funded research, geological understanding, and resource exploration, with a growing importance in the current energy transition.
EARTH-SCIENCE REVIEWS
(2022)
Article
Astronomy & Astrophysics
J. A. Kegerreis, S. Ruiz-Bonilla, V. R. Eke, R. J. Massey, T. D. Sandnes, L. F. A. Teodoro
Summary: Traditionally, the Moon is believed to have formed from debris ejected by a giant impact on early Earth. However, the details of the impact scenarios are debated, and models struggle to explain the isotopic compositions of Earth and lunar rocks as well as the system's angular momentum. A high-resolution simulation suggests that giant impacts can place a satellite with similar mass and iron content as the Moon into orbit outside Earth's Roche limit. Even satellites passing within the Roche limit can survive by being partially stripped and torqued onto stable orbits.
ASTROPHYSICAL JOURNAL LETTERS
(2022)
Article
Geochemistry & Geophysics
Qian Chen, He Liu, Tim Johnson, Michael Hartnady, Christopher L. Kirkland, Yongjun Lu, Wei-dong Sun
Summary: The temperature of the convecting mantle plays a significant role in controlling the rheology, composition, and tectonic behavior of the Earth's lithosphere. This study uses a statistical analysis of global sodic intracontinental basalts to investigate the evolution of mantle potential temperature over the past billion years. The findings reveal a relatively constant mantle temperature during the early Neoproterozoic period, followed by a rapid cooling event at the beginning of the Cryogenian.
EARTH AND PLANETARY SCIENCE LETTERS
(2022)
Article
Biology
Benton C. Clark, Vera M. Kolb, Andrew Steele, Christopher H. House, Nina L. Lanza, Patrick J. Gasda, Scott J. VanBommel, Horton E. Newsom, Jesus Martinez-Frias
Summary: While early Mars is now known to be habitable, its potential for hosting conditions conducive to the independent origin of life (OoL) has been uncertain. Mars mimics various physical and chemical conditions hypothesized as settings for life on Earth, offering water, energy sources, and elements associated with life. The well-preserved ancient surface of Mars informs researchers about possible conditions during Earth's early history, and continued exploration may provide insights for OoL on exoplanets.
Article
Geochemistry & Geophysics
Nick M. W. Roberts, Johanna Salminen, Ake Johansson, Ross N. Mitchell, Richard M. Palin, Kent C. Condie, Christopher J. Spencer
Summary: The mid-Proterozoic period is characterized by rare ophiolites and passive margins, abundant anorthosite and A-type granite suites, high thermobaric ratios in metamorphic rocks, and specific types of economic mineral deposits. There have been suggestions of a stagnant-lid tectonic regime during this time, but a reevaluation of the geological record supports the plate tectonic alternative. The unique features of this period can be explained by the combination of secular mantle cooling and the long-lasting and incomplete breakup of Earth's first supercontinent.
EARTH AND PLANETARY SCIENCE LETTERS
(2022)
Article
Geochemistry & Geophysics
Philipp Kreielkamp, Claudia Stein, Ulrich Hansen
Summary: Today's research reveals the significant role of large low shear velocity provinces (LLSVPs) in the evolution of plate tectonics. The presence of dense primordial material delays surface mobilization events due to its stabilizing effect on mantle convection. Plate motion is primarily triggered by mantle upwellings and may have occurred in an episodic manner during the early Earth.
EARTH AND PLANETARY SCIENCE LETTERS
(2022)
Article
Computer Science, Information Systems
Cong Wang, Yin Zhang, Yongqiang Zhang, Rui Tian, Mingli Ding
Summary: This article proposes a new two-step framework to address existing issues in Mars image super-resolution. By designing a new degradation framework and training a Generative Adversarial Network, better results were achieved compared to other methods.
Article
Geosciences, Multidisciplinary
Changcheng Li
Summary: In recent years, the seismic wave effects caused by meteorite impacts have been widely observed. The study estimated the seismic source parameters based on the multiring structure of the meteorite crater and simulated the seismic event, providing a possible explanation for the formation of Earth's tectonic plates. The findings suggest that the seismic waves generated by the meteorite impact event 65 million years ago may have led to the destruction of the solid Earth and the formation of the boundary between the Indian Ocean and the Pacific Plate. Additionally, this study has significant importance in inspiring the development of new geoscientific methods.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Geosciences, Multidisciplinary
Kelin Wang, Tianhaozhe Sun, Lonn Brown, Ryota Hino, Fumiaki Tomita, Motoyuki Kido, Takeshi Iinuma, Shuichi Kodaira, Toshiya Fujiwara
Article
Geochemistry & Geophysics
Victor M. Cruz-Atienza, Yoshihiro Ito, Vladimir Kostoglodov, Vala Hjorleifsdottir, Arturo Iglesias, Josue Tago, Marco Calo, Jorge Real, Allen Husker, Satoshi Ide, Takuya Nishimura, Masanao Shinohara, Carlos Mortera-Gutierrez, Soliman Garcia, Motoyuki Kido
SEISMOLOGICAL RESEARCH LETTERS
(2018)
Article
Geosciences, Multidisciplinary
Shigenori Maruyama, M. Santosh, Shintaro Azuma
GEOSCIENCE FRONTIERS
(2018)
Article
Geochemistry & Geophysics
Wataru Fujisaki, Yohei Matsui, Hisashi Asanuma, Yusuke Sawaki, Katsuhiko Suzuki, Shigenori Maruyama
EARTH AND PLANETARY SCIENCE LETTERS
(2018)
Article
Geosciences, Multidisciplinary
Shigenori Maruyama, Ken Kurokawa, Toshikazu Ebisuzaki, Yusuke Sawaki, Konomi Suda, M. Santosh
GEOSCIENCE FRONTIERS
(2019)
Article
Geosciences, Multidisciplinary
Ryusuke Yamamoto, Motoyuki Kido, Yusaku Ohta, Narumi Takahashi, Yojiro Yamamoto, Ali Pinar, Dogan Kalafat, Haluk Ozener, Yoshiyuki Kaneda
GEOPHYSICAL RESEARCH LETTERS
(2019)
Article
Geochemistry & Geophysics
C. Honsho, M. Kido, F. Tomita, N. Uchida
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2019)
Article
Geochemistry & Geophysics
R. Matsui, M. Kido, Y. Niwa, C. Honsho
MARINE GEOPHYSICAL RESEARCH
(2019)
Article
Geosciences, Multidisciplinary
Kanan Hirano, Yo Fukushima, Hiroaki Maruya, Motoyuki Kido, Motoaki Sugiura
Summary: To counteract M8-9 class Nankai Trough earthquakes, the Japan Meteorological Agency introduced the Nankai Trough Earthquake Extra Information service. This service provides alerts after M8.0 or higher earthquakes, indicating a higher possibility of subsequent earthquakes. It encourages residents in the predefined area to pre-evacuate for one week when the tsunami risk is higher. Factors influencing residents' evacuation behavior are unknown, so this study investigated these factors and found that recognition of hazards and risks, along with the response to the Extra Information, contribute to pre-event evacuation intentions. However, residents' recognition accuracy is low, highlighting the importance of local governments' efforts to encourage evacuation.
JOURNAL OF DISASTER RESEARCH
(2023)
Review
Geography, Physical
Shigenori Maruyama, Tomohiko Sato, Yusuke Sawaki, Konomi Suda
JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI
(2020)
Review
Geography, Physical
Naota Takeyama, Yuka Takahashi, Shohei Nagata, Yusuke Sawaki, Tomohiko Sato, Shigenori Maruyama, Akio Kanai
JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI
(2020)
Review
Geography, Physical
Megumi Tsurumaki, Motofumi Saito, Shigenori Maruyama, Akio Kanai
JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI
(2020)
Proceedings Paper
Engineering, Marine
Fumiaki Tomita, Yusaku Ohta, Takeshi Iinuma, Ryota Hino, Motoyuki Kido, Naoki Uchida
2018 OCEANS - MTS/IEEE KOBE TECHNO-OCEANS (OTO)
(2018)
Article
Geosciences, Multidisciplinary
Motoyuki Kido, Misae Imano, Yusaku Ohta, Tatsuya Fukuda, Narumi Takahashi, Satoshi Tsubone, Yasuhisa Ishihara, Hiroshi Ochi, Kentaro Imai, Chie Honsho, Ryota Hino
JOURNAL OF DISASTER RESEARCH
(2018)
Article
Geosciences, Multidisciplinary
Haifeng Chen, Hao Zou, M. Santosh, Huawen Cao, Franco Pirajno, Changcheng Huang, Mingcai Hou
Summary: Researchers have identified a supervolcano eruption event in the tuff layers from the Early-Middle Triassic boundary in the Yangtze Block. This eruption may have contributed to the delayed biotic recovery after the end-Permian mass extinction.
GEOSCIENCE FRONTIERS
(2024)
Article
Geosciences, Multidisciplinary
Yanjuan Yin, Baohua Zhang, Xinzhuan Guo
Summary: This study determines the Fe-Mn interdiffusion rates in natural Mn-bearing garnet crystals with 750 ppm H2O using an experimental approach. The results show that the Fe-Mn interdiffusion coefficient slightly decreases with increasing Fe content, and water significantly enhances the Fe-Mn interdiffusion in garnet. These findings suggest that the time required for homogenization of the compositional zoning of a garnet is much shorter than previously thought.
GEOSCIENCE FRONTIERS
(2024)
Article
Geosciences, Multidisciplinary
Yirang Jang, Sung Won Kim, Vinod O. Samuel, Sanghoon Kwon, Seung-Ik Park, M. Santosh, Keewook Yi
Summary: Detrital zircon geochronology and Hf isotope analysis are used to infer provenance characteristics and evaluate the tectonic evolution of sedimentary basins. The results of this study show that the Paleozoic sequences of the Okcheon Belt have a diverse provenance linked to different tectonic environments.
GEOSCIENCE FRONTIERS
(2024)
Article
Geosciences, Multidisciplinary
Stephen F. Foley, Isra S. Ezad
Summary: This study investigates the trace element compositions of melts and minerals from hydrous pyroxenites containing K-richterite through high-pressure experiments. The results show that different minerals play different roles in the enrichment of various trace elements. The study also models the isotopic aging process in hydrous pyroxenite source rocks.
GEOSCIENCE FRONTIERS
(2024)
Article
Geosciences, Multidisciplinary
G. Harshitha, C. Manikyamba, M. Santosh, Cheng-Xue Yang, A. Keshav Krishna, V. V. Sesha Sai, I. Panduranga Reddy
Summary: The early Archean oceans underwent significant redox changes that had a lasting impact on the Earth's biosphere. This study investigates the geochemical characteristics of Archean Mnformations in southern India and reveals the importance of these sedimentary deposits in understanding the ancient redox conditions and sedimentation patterns. The findings suggest that the sediments were deposited in shallow to deeper shelf environments in the Archean proto-ocean, and they provide evidence of regional episodes of ocean oxygenation prior to the Great Oxygenation Event.
GEOSCIENCE FRONTIERS
(2024)