Effects of hydrothermal alteration on shear localization and weakening in the mantle lithosphere

M Semba, K Hirauchi, T Ohuchi, A Okamoto… - Tectonophysics, 2023 - Elsevier
Hydrothermal alteration occurs in upper-mantle fault zones and significantly modifies the
rheological properties of ultramafic rocks. To understand how hydrothermal alteration affects …

Anisotropic structure in the mantle wedge beneath southeastern Mexico from shear-wave splitting tomography

S Celis, RW Valenzuela, M Calò, X Pérez-Campos… - Journal of …, 2024 - Elsevier
Cocos intraslab earthquakes were used to make a 3-D tomographic inversion to define a
crystallographic orientation model for the mantle wedge beneath southeastern Mexico. This …

Upper mantle and continental crust anisotropy in southeastern Mexico determined from shear-wave splitting measurements using local intraslab earthquakes

S Celis, RW Valenzuela, GL Soto… - Journal of South …, 2022 - Elsevier
Cocos intraslab earthquakes were used to make shear-wave splitting measurements to
explore the factors that control seismic anisotropy and to study the mantle wedge flow …

Genesis of Fe–Ti Oxide-Bearing Ultramafic Intrusions in the Duluth Complex, Minnesota, USA

JM Kleinsasser, AC Simon, D Peterson… - Journal of …, 2024 - academic.oup.com
Abstract The Duluth Complex is a large mafic intrusive system located in northeastern
Minnesota emplaced as part of the 1.1-Ga Midcontinent Rift. Several Fe–Ti oxide-bearing …

[PDF][PDF] Identification of Lateritic Nickel Deposits Potential in the Kokoe Area, Kabaena Island, Central Buton Regency, Southeast Sulawesi Province, Indonesia

H Hasria, SM Awadh, M Masri, MA Azzaman… - The Iraqi Geological …, 2024 - igj-iraq.org
The study is situated in the Kokoe Region of Central Buton Regency, Southeast Sulawesi,
specifically in the southern part of Kabaena Island. Its primary objective is to assess …

Hydrothermal alterations of the Bou Azzer East Co-Ni-As-Au deposits (central Anti-Atlas, Morocco)

M Souiri, M Aissa, AH Ahmed, M El Azmi… - Geosciences …, 2021 - Springer
Abstract The polymetallic Co, Ni, Cu, Zn, Au and Ag deposits of Bou Azzer East is linked to
Bou Azzer ophiolite located in the Central Anti Atlas. The ultramafic rocks are strongly …

[PDF][PDF] TITULACIÓN POR TESIS

PENC DE LA TIERRA - 2024 - ru.dgb.unam.mx
Los “crystal mushes” son la conexión entre el plutonismo y el vulcanismo ya que
representan cuerpos intrusivos con un contenido de cristales lo suficientemente elevado …

Microstructural evolution of polymineralic aggregates deformed under high pressure and temperature: an in-situ and post-mortem study on olivine+ serpentine

T Mandolini - 2022 - theses.hal.science
At plate tectonic boundaries, the lithosphere is deformed and strain localization occurs up to
kilometers-scale, which can manifest in form of shear zones. The strain localization suggests …