Results 11 to 20 of about 115 (95)
Kuwait Journal of Science, 2021 Depositional environments, provenance and tectonic settings of Ispikan group exposed in south west Makran, were revealed by lithofacies, petrography and geochemistry studies.
Muhammad Ahmed Farooqui +4 more
doaj +3 more sources
China Geology, 2021 To accurately identify the natural gas hydrates (NGH) in the sea area of the Makran Accretionary Prism, Pakistan, this paper presents the testing and analysis of major and trace elements in sediment samples taken from two stations (S2 and S3) in the area
Jian-ming Gong +6 more
doaj +2 more sources
Journal of Geophysical Research: Solid Earth, Volume 128, Issue 12, December 2023., 2023 Abstract We propose a new model for the crust and upper mantle in Iran by joint inversion of gravity and magnetic fields, constrained with a seismic tomography model. We then calculate shear modulus from the Vs velocities and densities. The crust and mantle tomography model is first converted to a density cube through empirical and petrological ...
G. Maurizio +3 more
wiley +1 more source
Tectonics, Volume 42, Issue 11, November 2023., 2023 Abstract Sediments deposited into foreland basins can provide valuable insights related to the geological evolution of their hinterlands. Located in the peripheral foreland of the South Sistan Suture Zone (SE Iran), the Karvandar Basin exhibits a several‐kilometer‐thick shallow‐marine to continental clastic sedimentary sequence forming elongated sub ...
J. B. Ruh +9 more
wiley +1 more source
Tectonics, Volume 41, Issue 12, December 2022., 2022 Abstract Orogenic wedges are common at convergent plate margins and deform internally to maintain a self‐similar geometry during growth. New structural mapping and thermochronometry data illustrate that the eastern Greater Caucasus mountain range of western Asia undergoes deformation via distinct mechanisms that correspond with contrasting lithologies ...
A. R. Tye +4 more
wiley +1 more source
Mineral chemistry and chromite mineralization in the Qaranaz-Alamkandi area, west Zanjan
Journal of Economic Geology, 2021 Introduction Malek Ghasemi and Karimzadeh Somarin (2005) reported that Chromite deposits in Iran occur in Paleozoic and Mesozoic ophiolite complexes in association with serpentinite and serpentinized peridotites and dunites (Ghazi et al., 2004; Shafaii ...
Parham Ahrabian Fard +4 more
doaj +1 more source
Subduction and Slab Detachment Under Moving Trenches During Ongoing India‐Asia Convergence
Geochemistry, Geophysics, Geosystems, Volume 23, Issue 11, November 2022., 2022 Abstract The dynamics of slab detachment and associated geological fingerprints have been inferred from various numerical and analog models. These invariably use a setup with slab‐pull‐driven convergence in which a slab detaches below a mantle‐stationary trench after the arrest of plate convergence due to arrival of continental lithosphere. In contrast,
Abdul Qayyum +5 more
wiley +1 more source
Journal of Geophysical Research: Solid Earth, Volume 127, Issue 11, November 2022., 2022 Abstract Observations of recent earthquake surface ruptures show that ground deformations include a localized component occurring on faults, and an off‐fault component affecting the surrounding medium. This second component is also referred to as off‐fault deformation (OFD).
S. L. Antoine +3 more
wiley +1 more source
Automated gas bubble imaging at sea floor – a new method of in situ gas flux quantification [PDF]
Ocean Science, 2010 Photo-optical systems are common in marine sciences and have been extensively used in coastal and deep-sea research. However, due to technical limitations in the past photo images had to be processed manually or semi-automatically.
G. Bohrmann +3 more
doaj +1 more source
Geochemistry, Geophysics, Geosystems, Volume 23, Issue 4, April 2022., 2022 Abstract The Greater Antilles islands of Cuba, Hispaniola, Puerto Rico and Jamaica plus the Virgin Islands host fragments of the fossil convergent margin that records Cretaceous subduction (operated for about 90 m.y.) of the American plates beneath the Caribbean plate and ensuing arc‐continent collision in Late Cretaceous‐Eocene time.
H. Y. Hu +3 more
wiley +1 more source