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Partly melted rocks under Earth’s surface offer insights into what makes plate tectonics possible（图）
地球表面 板块构造 构造地质学
2023/6/26
Using seismic waves, scientists detect widespread partially molten rock hidden under the Earth’s tectonic plates in a new way, a step in settling a long-held geological debate that has big implication...
Turning carbon emissions into rocks（图）
碳排放 岩石 清洁能源 气候学
2023/7/7
Chemist Peter Psarras has good reason to call himself a musical rock star—after all, he plays bass and keyboard semi-professionally—but he’s more likely to claim “rock” stardom of the geological bent....
中国地质大学科学技术发展院夏宇轩(博士研究生), 蔡建超*等, 地空学院 Journal of Hydrology, 2019, Fractal dimension, lacunarity and succolarity analyses on CT images of reservoir rocks for permeability prediction
储层岩石；复杂；微观结构；定量；表征；渗透率；建模领域
2021/10/20
近日，中国地质大学地空学院蔡建超教授团队在国际著名地学期刊Journal of Hydrology上发表了储层岩石复杂微观结构定量表征及渗透率建模领域的研究成果：“Fractal dimension, lacunarity and succolarity analyses on CT images of reservoir rocks for permeability prediction”。该文...
Rocks at asteroid impact site record first day of dinosaur extinction（图）
Rocks asteroid impact site record first day dinosaur extinction
2019/10/18
When the asteroid that wiped out the dinosaurs slammed into the planet, the impact set wildfires, triggered tsunamis and blasted so much sulfur into the atmosphere that it blocked the sun, which cause...
ESTIMATION OF CARBON SINK IN SURFACE CARBONATE ROCKS OF GUANGXI PROVINCE BY USING REMOTE SENSING IMAGES
Dissolution test method Carbonate rocks Miss carbon sink ArcGIS
2018/5/14
Studies of the imbalance of source sinks in the carbon cycle show that CO2 absorbed during rock weathering is part of the "miss carbon" of the global carbon cycle. The carbon sink contribution of carb...
INDIVIDUAL ROCKS SEGMENTATION IN TERRESTRIAL LASER SCANNING POINT CLOUD USING ITERATIVE DBSCAN ALGORITHM
DBSCAN rocks segmentation terrestrial laser scanning fluvial transport
2018/6/5
The fluvial transport is an important aspect of hydrological and geomorphologic studies. The knowledge about the movement parameters of different-size fractions is essential in many applications, such...
UMD-led Study Finds Ancient Earth’s Fingerprints in Young Volcanic Rocks
UMD-led Ancient Earth’s Fingerprints Young Volcanic Rocks
2017/4/27
Earth’s mantle is made of solid rock that nonetheless circulates slowly over millions of years. Some geologists assume that this slow circulation would have wiped away any geochemical traces of Earth’...
Geochemistry and zircon U–Pb age of subvolcanic rocks in Dajing deposit, NE China: Geodynamic implications
Dajing deposit subvolcanic rocks U–Pb dating geochemistry
2017/4/11
The Dajing deposit is a large-scale vein-type polymetallic Sn deposit in the southern Great Xing’an Range of Northeast
China. This study presents new geochronological and geochemical data for subvolc...
Old Rocks,Biased Data:Overcoming Challenges Studying the Geodynamo
Old Rocks Biased Data Overcoming Challenges Studying Geodynamo
2017/3/13
Gleaning data from old rocks may result in bias. Now, geophysicists have a way to improve their methods to overcome challenges in studying the history of the Earth's core and magnetic field that make ...
UTILIZATION OF LANDSAT-8 DATA FOR LITHOLOGICAL MAPPING OF BASEMENT ROCKS OF PLATEAU STATE NORTH CENTRAL NIGERIA
Landsat-8 Plateau State Lithological Map Remote Sensing
2016/10/14
This paper utilized the Landsat-8 image data to map the lithology’s of Plateau state north central Nigeria. This is includes the rocks, with particular emphasis on their description and classification...
AN APPROACH TO AUTOMATIC DETECTION AND HAZARD RISK ASSESSMENT OF LARGE PROTRUDING ROCKS IN DENSELY FORESTED HILLY REGION
LiDAR Hazard Rock-fall Curvature analysis Simulation
2016/7/27
Rock-fall along highways or railways presents one of the major threats to transportation and human safety. So far, the only feasible way to detect the locations of such protruding rocks located in the...
UW Study:Ancient Rocks of Tetons Formed by Continental Collisions
UW Study Ancient Rocks Tetons Formed Continental Collisions
2016/2/22
University of Wyoming scientists have found evidence of continental collisions in Wyoming’s Teton Range, similar to those in the Himalayas, dating to as early as 2.68 billion years ago.
Acoustic emission responseof rocks to electric power actionas seismic-electric effect manifestation
acoustic emission activity energy impact rock
2015/9/14
Two parts of the research are distinguished in this paper. The first part is devoted to the structure of signals of Acoustic Emission (AE) and electromagnetic emission (EME) which accompany the inelas...
Self-oscillations in rocks,results of laboratory experiments
self-oscillations mechanoelectricself-oscillator transformations rocks
2015/9/14
The method of generation of self-oscillations in rocks is developed here. Self-oscillations arise as a result of direct and inverse mechanoelectric transformations without an external generator. Labor...
Determination of volatiles in volcanic rocks and minerals with a Directly Coupled Evolved Gas Analyzing System (DEGAS) -Part I: Interpretation of degassing profiles (DEGAS-profiles) of minerals and rocks on the basis of melting experiments
volatiles magmatic rocks basaltic glass degassing Hawaiian lava remelting blacksand
2015/9/10
Volatile components in magma strongly influence many physical properties of melts and minerals. The temperature
resolved degassing analysis of volcanic crystalline and vitreous rocks gives detailed i...