Results 1 to 10 of about 53,746 (225)

Polyphase deformation of the Youjiang fold-and-thrust belt during the Mesozoic: Implications for the tectonic transition of the South China block

open access: yesFrontiers in Earth Science, 2023
The South China block (SCB) experienced the tectonic transition from the Paleo-Tethys to the Paleo-Pacific tectonic domains during the Mesozoic, but the transition process is hotly debated. The Youjiang fold-and-thrust belt (YFTB), in the interior of the
Jia-Xiu Hu   +12 more
doaj   +1 more source

Eocene paleoelevation of the Tuoyun Basin, northeastern Pamirs: Evidence from a lava-vesicle-based paleoaltimeter

open access: yesJournal of Asian Earth Sciences: X, 2023
The arc-shape Pamir tectonic belt is located on the northwestern margin of the Tibetian plateau. At present, there are many different understandings on the history of the Pamir Plateau uplift, mainly on the time of uplift, which seriously affects the ...
Wengao Zhang   +3 more
doaj   +1 more source

Cassiterite U-Pb dating and micro-XRF analysis constraint on the formation of Xinlu Sn-Zn deposit, South China

open access: yesFrontiers in Earth Science, 2023
This study presents rock slab and thin section reflection mapping, element mapping by Micro-XRF (μ-XRF) analysis, and in situ cassiterite U-Pb laser ablation-inductively coupled plasma mass spectrometer (LA-ICP-MS) ages of the Xinlu Sn-Zn deposit ...
Chang-Hao Xiao   +10 more
doaj   +1 more source

Research progress of carbonate rock diagenesis

open access: yes地质科技通报, 2023
Diagenesis is one of the important genesis of carbonate reservoirs, and it is also an important geological factor for the evaluation and prediction of carbonate reservoirs.
Fengfeng Li, Yu Ye, Yichang Yu, Rui Guo
doaj   +1 more source

Geological characteristics and metallogenic age of Tengshan'ao Sn deposit in Dayishan of South Hunan and its prospecting significance

open access: yesSolid Earth Sciences, 2021
The Tengshan'ao Sn deposit, located at the Dayishan ore field, Nanling Range, is one of the recently explored deposits in this region. In this study, LA-MC-ICP-MS cassiterite U–Pb and muscovite 40Ar-39Ar isotopic dating analyses for altered granite-type ...
Zunzun Zhang   +9 more
doaj   +1 more source

The Control of Diagenesis and Mineral Assemblages on Brittleness of Mudstones

open access: yesFrontiers in Earth Science, 2021
The variation in mineral composition will affect the rock brittleness, thus the change of mineral assemblages during diagenesis has a potential control on the brittleness of mudstones.
Jiazong Du   +7 more
doaj   +1 more source

Numerical simulation of diagenetic evolution and porosity prediction in eastern area of Wushi Sag

open access: yes地质科技通报, 2022
The commercial oil fields discovered in the eastern area of Wushi Sag in recent years are mainly formed in a complex continental sedimentary environment, which was influenced by the tectonic movement, sedimentation and diagenesis.The reservoir in the ...
Li Yang   +4 more
doaj   +1 more source

Evolution Mechanism of Differential Diagenesis Combination and Its Effect on the Reservoir Quality in the Tight Sandstone: A Case from the Lower Shihezi Formation in the Hangjinqi Area of Ordos Basin, China

open access: yesLithosphere, 2021
The physical property heterogeneity of tight sandstones was mainly caused by complex alteration of various diagenesis combinations during burial process.
Tongsheng Cao   +12 more
doaj   +1 more source

Diagenesis Analysis of Padengo Limestone Area, Gorontalo Regency Based on Petrographic Method

open access: yesJournal of Applied Geospatial Information, 2023
Carbonate rocks are rocks composed of carbonate minerals that are chemically formed in the form of solutions, and there are organisms involved in their formation.
Fikri Boften   +2 more
doaj   +1 more source

Evaluation of pore-throat structures of carbonate reservoirs based on petrophysical facies division

open access: yesFrontiers in Earth Science, 2023
After complex geological transformation, such as sedimentation, diagenesis, and tectonic transformation, carbonate reservoirs have developed multiple reservoir spaces with significant heterogeneity and various pore-throat structures, including pores ...
Jue Hou   +6 more
doaj   +1 more source

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