2+ day, 21+ hour ago   (412+ words) Since pioneering fluid-flow models for the Iberian and French Variscan belt, advances in geochronology, thermochronology, and geodynamic modeling have improved our understanding of late Variscan crustal evolution. New datasets suggest tungsten and gold mineralization do not represent distinct metallogenic events,…...

1+ week, 2+ day ago   (433+ words) Weak alluvial soils are difficult to delineate where penetration-test data are sparse and stiffness varies rapidly with depth. This study presents a novel goal-attainment-optimised machine learning framework that combines multichannel analysis of surface waves (MASW) with anchor-based standard penetration test…...

3+ week, 1+ day ago   (501+ words) Rock cohesion (c) and angle of internal friction (φ) are core parameters for rock mass stability analysis and engineering design; however, traditional triaxial tests are costly and time-consuming, limiting their availability in preliminary engineering assessments. To address this limitation, this study…...

3+ week, 6+ day ago   (441+ words) Carbonate formations host abundant hydrocarbon resources and constitute a key target for current and future petroleum explorations. A massive Paleocene-Eocene carbonate platform system overlies Late Cretaceous Deccan volcanic rocks within the Indus Fan Offshore Basin. Low geophysical exploration maturity and…...

4+ week, 1+ day ago   (569+ words) To elucidate the structural evolution of fracture networks around gas drainage boreholes and their controlling mechanisms on grouting sealing performance, a coal seam in the Zhongmacun Mine (No. 2-1 coal seam) was selected as the engineering background. An integrated approach combining…...