Results 71 to 80 of about 288 (167)

Uncertainty-quantified 3D ambient noise tomography using transdimensional Monte Carlo inversion

open access: yesFrontiers in Earth Science
Traditional two-step surface-wave tomography often yields discontinuous models and compound uncertainty. We present the first fully 3-D transdimensional Bayesian inversion with adaptive Voronoi parameterization and reversible-jump MCMC for near-surface ...
Yi Liu   +5 more
doaj   +1 more source

Ore genesis and vertical variations of ore-forming fluids in the Dayingezhuang gold deposit, Jiaodong Peninsula: Constraints from fluid inclusions, ore forming elements, and H-O-S-Pb isotopes

open access: yes地质科技通报
Objective The Dayingezhuang gold deposit in the middle of the Zhaoping metallogenic belt represents a typical altered-rock type deposit with a giant Au reserve of 283 tons on the Jiaodong Peninsula. The genetic type of the deposit is still controversial.
Ziqing YAN   +8 more
doaj   +1 more source

AGE AND FORMATION CONDITIONS OF ROCKS IN THE OLKHON COMPLEX OF THE ANGA-SAKHYURTA ZONE (OLKHON TERRANE, CENTRAL ASIAN OROGENIC BELT)

open access: yesГеодинамика и тектонофизика
The paper presents detailed petrographic, geochemical, Sm-Nd isotope studies, as well as U-Pb (LA-ICPMS) geochronological studies of detrital zircon grains from gneisses of the Olkhon complex, distributed together with marbles and quartzites in the Anga ...
T. V. Donskaya   +6 more
doaj   +1 more source

Seismogenic Structure of the 1975 Haicheng Ms 7.3 Earthquake (NE China) Inferred from 3D Magnetotelluric Imaging

open access: yesRemote Sensing
On 4 February 1975, the Haicheng Ms 7.3 earthquake occurred in the Liaodong Uplift, northeastern China. To investigate its seismogenic structure and deep geological environment, we acquired broadband magnetotelluric data along two intersecting profiles ...
Zhihong Zhang   +10 more
doaj   +1 more source

The Supra-Salt Sedimentary Sequence of the North Caspian Depression: Stratigraphy and Sedimentary History

open access: yesGeosciences
The North Caspian Basin, known for its oil and gas potential, was formed because of the evolution of the ancient Tethys Ocean and is also a result of the collision of the East European, Kazakhstania, and Siberian paleocontinents.
Aitbek Akhmetzhanov   +4 more
doaj   +1 more source

88th Annual Meeting of the Meteoritical Society 2026: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 61, Issue S1, Page S48-S551, August 2026.
wiley   +1 more source

Distinct destruction mechanism in the North China Craton: Insight from high-resolution thermochemical structure

open access: yesTectonophysics
Despite numerous studies on the thinning and destruction of the lithospheric mantle root beneath the North China Craton (NCC), the mechanisms for modification from refractory mantle of ancient craton to the fertile one remains poorly understood due to insufficient information of deep thermochemical structure. We investigate the mantle compositional and
Yang, Xiaoyu   +2 more
openaire   +2 more sources

Occurrence Conditions and Hydrogeochemical Characteristics of High-Temperature Geothermal Resources in the Eastern Jiyang Depression

open access: yesYankuang ceshi
The eastern part of the Jiyang Depression possesses high-temperature geothermal resource potential due to the influence of the destruction of the North China craton, but there is a lack of systematic research on the occurrence conditions of high ...
Bo LI   +7 more
doaj   +1 more source

Chronology and Geochemistry on Mesozoic Diorite from the Xi′anli Iron Ore Area in Pingshun, Shanxi Province

open access: yesYankuang ceshi, 2013
The Shanxi Pingshun region is located in the west limb of a large-scale anticline of Taighang Mountain and is to the southeast of the Taihang upwell of Lüliang-Taihang fault block.
WANG Yong   +6 more
doaj  

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