Results 41 to 50 of about 1,473 (216)

Dissolution Phenomenon of Laumontite in the Carboniferous Volcanic Oil and Gas Reservoirs of Santanghu Basin in Xinjiang

open access: yes, 2015
Based on the data of core, thin section, scanning electron microscopy and geochemical analysis.etc, from the dissolution phenomenon of laumontite in the carboniferous volcanic reservoirs of Santanghu Basin,the exploratory study of alkaline diagenesis and
He Du   +3 more
semanticscholar   +1 more source

Zeolites in the Granitic Rocks of Chugoku District, Southwest Japan [PDF]

open access: yes, 1994
Ca-zeolites such as laumontite, stilbite and chabazite were found in the granitic rocks of both magnetite and ilmenite series of late Cretaceous to Tertiary age developed widely in the Chugoku district. These zeolites occur (1) in veins of various scale,
KITAGAWA, Ryuji   +4 more
core   +1 more source

XXIV. Laumontit von Heimbach bei Oberstein [PDF]

open access: yesZeitschrift für Kristallographie - Crystalline Materials, 1912
n ...
openaire   +1 more source

Seismic Rock Physics Inversion With Varying Pore Structure Parameters and Consolidation Parameter in Tight Sandstone Reservoirs

open access: yesGeofluids, Volume 2026, Issue 1, 2026.
Tight sandstone gas holds significant exploration and development potential. However, its complex pore structure and heterogeneous consolidation make quantitative reservoir prediction challenging. In this study, we propose a novel seismic inversion method that incorporates consolidation parameter and pore structure parameters as constraints for ...
Yongze Hu   +7 more
wiley   +1 more source

Adsorptive Elimination of Heavy Metal Ions From Wastewater Utilizing Natural and Synthetic Zeolites: Mechanistic Analysis, Modification Techniques, and Performance Assessment

open access: yesJournal of Chemistry, Volume 2026, Issue 1, 2026.
Heavy metal contamination in wastewater remains a critical environmental challenge due to the persistence and toxicity of metal ions such as Pb2+, Cd2+, Cr3+/Cr6+, Cu2+, Ni2+, and Zn2+. Although conventional treatment technologies can achieve high removal efficiencies, their practical application is often limited by high operational costs, energy ...
Kenson Mutai Muchiri   +4 more
wiley   +1 more source

A natural nanosponge: new insights on the crystal-fluid interactions in laumontite

open access: yes, 2018
Laumontite, |(Ca4-xNax)Kx(H2O)n| [Al8Si16O48], space group C2/m, is one of the most common natural zeolites occurring in a wide range of geological environments, including oceanic basalts, in vugs of plutonic and volcanic rocks and in sedimentary rocks ...
Merlini M.   +4 more
core   +2 more sources

Petrofacies types and evolution characteristics of tight sandstone gas reservoirs of Jurassic Shaximiao Formation, Tianfu gas area, central Sichuan Basin

open access: yesShiyou shiyan dizhi
The classification of rock types is important for characterizing the heterogeneity of tight sandstone reservoirs and revealing their differential evolution process.
Xu GUAN   +9 more
doaj   +1 more source

Carbon Isotope and Abundance Systematics Reveal an Insignificant Crustal Sink of Mantle‐Derived CO2 in On‐Land Rift Zone Geothermal Systems

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.
Abstract Rift zones, both on land and submarine, are key pathways for mantle‐derived CO2 degassing to the Earth's surface. Fixation of CO2 as carbonates plays a critical role in regulating these emissions. This study examines carbon abundance and isotope compositions in hydrothermal fluids, altered rocks, and carbonates from geothermal systems in both ...
Barbara I. Kleine‐Marshall   +23 more
wiley   +1 more source

Effects of cementation on physical properties of clastic rock-originated weathering crust reservoirs in the Kexia region, Junggar Basin, NW China

open access: yesEnergy Geoscience, 2023
Cements are widely developed in clastic rock-originated weathering crust (CWC) reservoirs in the Kexia region along the northwestern margin of the Junggar Basin and significantly affect reservoir physical properties and oil and gas distribution in this ...
Changhai Gao   +4 more
doaj   +1 more source

K‐Metasomatic Weakening of Oceanic Crust at Shallow Subduction Depths: Evidence From the Rodeo Cove Thrust Zone, Marin Headlands, California

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 7, July 2025.
Abstract Studies of exhumed subduction shear zones indicate that metamorphism and metasomatism of the oceanic lithosphere influence the composition, structure, and rheology of megathrust faults, particularly deep along the plate boundary (>30 km). However, less is known about the effects that fluid‐mediated chemical reactions have on the rheological ...
Benjamin D. Belzer   +2 more
wiley   +1 more source

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