ResearchProgram-China University of Geosciences, Beijing

CUGB

Research Programs

Late Cretaceous Sevier Versus Laramide Orogenies in Wyoming-Utah-Colorado, USA: New Insights From Basin Subsidence History

Variability in subsidence rates within Upper Cretaceous strata of the Western Interior Basin offers crucial insights into the response of surface sedimentation styles to Sevier-to-Laramide tectonics and related deep mantle processes.

Jul 3, 2024
Amphibole fractionation as a key driver for oxidation of magmas in convergent margins

During the process of differentiation, the magmas in convergent margins undergo an increase of oxidized nature, accompanied by a decreased Fe content and concentration of heavy Fe isotopes.

Jul 1, 2024
Comparison of silica diagenesis between the lower Cambrian and lower Silurian shale reservoirs in the middle–upper Yangtze platform (southern China)

The lower Cambrian and lower Silurian shale reservoirs of southern China display significant differences in pore characteristics that may reflect the varying effects of silica diagenesis.

Jun 27, 2024
Microbially mediated rock fine fracture mineralization sealing: Evolution of flow channels and the resulting transmissivity reduction

The sealing of fine aperture fractures in geological repositories is an important consideration for long-term sealing integrity.

Jun 24, 2024
Geophysical logs as proxies for cyclostratigraphy: Sensitivity evaluation, proxy selection, and paleoclimatic interpretation

Correct selection and interpretation of proxies are key to cyclostratigraphic research; however, the uncritical use of geophysical logs as proxies for cyclostratigraphy could be widespread.

Jun 17, 2024
Thermodynamic modelling and chronometric dating of melting and refertilization in the subcontinental lithospheric mantle

Geochemically distinguishing the products of melt depletion from refertilization and constraining the timing of such mantle-melt interactions in the subcontinental lithosphere (SCLM) remain outstanding research issues.

Jun 13, 2024
Osmium Isotope Heterogeneity of the Upper Mantle: Evidence From the Bay of Islands Ophiolite Complex, Newfoundland

Understanding and determining the composition and evolution of the upper mantle is valuable to unravel Earth's evolutionary geodynamics.

Jun 11, 2024
Geochemical discrimination of pyrite in diverse ore deposit types through statistical analysis and machine learning techniques

Pyrite is a ubiquitous mineral in many ore deposits and sediments, and its trace element composition is mainly controlled by temperature, oxygen fugacity, pH, compositions of fluids, and host rock composition.

Jun 3, 2024
Searching for breakthrough in seesaw-like contradictions to achieve high-efficiency solar-driven overall water splitting

The decisive challenge of the photocatalytic overall H2O splitting is to develop a cost-effective and stable photocatalyst that efficiently utilizes sunlight with a high solar-to-hydrogen energy (STH) conversion efficiency.

May 27, 2024
Remote Sensing Change Detection Method Based on Dynamic Adaptive Focal Loss

Deep learning (DL) models for change detection (CD) are affected by the changed/unchanged and hard/easy sample imbalance during the training process.

May 20, 2024