Results 31 to 40 of about 141,827 (166)

In-situ mechanical weakness of subducting sediments beneath a plate boundary décollement in the Nankai Trough

Progress in Earth and Planetary Science, 2018
The study investigates the in-situ strength of sediments across a plate boundary décollement using drilling parameters recorded when a 1180-m-deep borehole was established during International Ocean Discovery Program (IODP) Expedition 370, Temperature ...
Yohei Hamada, Takehiro Hirose, Akira Ijiri, Yasuhiro Yamada, Yoshinori Sanada, Saneatsu Saito, Noriaki Sakurai, Takamitsu Sugihara, Takahiro Yokoyama, Tomokazu Saruhashi, Tatsuhiko Hoshino, Nana Kamiya, Stephen Bowden, Margaret Cramm, Susann Henkel, Kira Homola, Hiroyuki Imachi, Masanori Kaneko, Lorenzo Lagostina, Hayley Manners, Harry-Luke McClelland, Kyle Metcalfe, Natsumi Okutsu, Donald Pan, Maija Jocelyn Raudsepp, Justine Sauvage, Florence Schubotz, Arthur Spivack, Satoshi Tonai, Tina Treude, Man-Yin Tsang, Bernhard Viehweger, David T. Wang, Emily Whitaker, Yuzuru Yamamoto, Kiho Yang, Masataka Kinoshita, Lena Maeda, Yusuke Kubo, Yuki Morono, Fumio Inagaki, Verena B. Heuer   +41 more
doaj   +1 more source

Depth profile of frictional properties in the inner Nankai accretionary prism using cuttings from IODP Site C0002

Progress in Earth and Planetary Science, 2022
We conduct frictional experiments using cuttings collected at Nankai Trough IODP Site C0002 over 980.5–3262.5 mbsf (meters below seafloor) depth interval to better understand the frictional properties through the accretionary prism.
Riho Fujioka, Ikuo Katayama, Manami Kitamura, Hanaya Okuda, Takehiro Hirose   +4 more
doaj   +1 more source

Stacking Lake Ice Analog Cryotectonic Dynamics on Dione’s Wispy Terrain

Physical Sciences Forum, 2023
Wispy Terrain, with its chasmata, is one of the enigmatic regions of Dione. It consists of quasi-parallel graben, and troughs, in parts with horsts, indicating extensional and shear stresses. This study introduces some observations of compression-related
Balázs Bradák, Roland Novák, Christopher Gomez   +2 more
doaj   +1 more source

The role of organic carbon in the Southern Uplands-Down-Longford Terrane accretionary prism, Scotland and Ireland [PDF]

, 2023
Carbonaceous shales in the Southern Uplands-Down-Longford Terrane accretionary prism had extremely high potential for hydrocarbon generation in the Lower Paleozoic. Structural thickening in the prism enhanced the rapid generation of oil.
D. Muirhead, J. Parnell, Armstrong, J., J. Armstrong, N.J.F. Blamey, A.J. Boyce, Muirhead, D., Boyce, Adrian J., A. Schito, Blamey, N.J.F., Schito, A., Parnell, J.   +11 more
core   +1 more source

Low heat flow from young oceanic lithosphere at the Middle America Trench off Mexico

, 2005
Seismic reflection profiles across the Middle America Trench at 20°N show a high amplitude bottom simulating reflector interpreted as marking a phase transition between methane hydrate and free gas in the pore space of both accreted and trench sediments.
Bartolome, R., Dañobeitia, Juan José, Byrne, S., Minshull, T.A., Danobeitia, J., Byrne, Siobhán, Minshull, Timothy A., Bartolomé, Rafael   +7 more
core   +1 more source

Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan

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, Khalil Ur Rehman, Amir Yaseen, Ghazala Roohi, Muhammad Umar   +4 more
doaj   +1 more source

Anatomy and variation in the paraphyletic Mosasaurus lemonnieri assemblage from the Craie phosphatée de ciply, Belgium

The Anatomical Record, EarlyView.
Abstract Nineteenth century excavations of the Ciply‐Malogne Phosphatic Chalk Formation in Hainaut, Belgium, yielded over 50 partial mosasaur skeletons, the majority of which were referred to the species Mosasaurus lemonnieri Dollo, 1889. In the years since, this taxon has experienced a complicated taxonomic history, and its exceptional hypodigm has ...
Henry S. Sharpe, Hallie P. Street‐Sampson, Takuya Konishi, Michael W. Caldwell   +3 more
wiley   +1 more source

A Reassessment of Petrochemistry of ~1.2 Ga Tonalitic Rocks of the Northern Tugela Terrane, Natal Metamorphic Belt, South Africa: Further Constraints on the Evolution of This Belt

Geological Journal, EarlyView.
Our petrochemical studies on ~1.2 Ga granitoids of the Natal Metamorphic Belt, South Africa, do not suggest any property similar to Phanerozoic‐style subduction‐related granitoids. Plot of Kotongweni Tonalite in Y versus Sr diagram (after Moyen 2011), note that most samples have Sr/Y < 50.
Palesa Leuta, Saumitra Misra, Thembiso O. Basupi   +2 more
wiley   +1 more source

Heterogeneous Exhumation Mechanisms in Neoproterozoic Collisional Metamorphism: P–T Constraints From Pelotas and Punta del Este Terranes, Southern Brazil and Uruguay

Geological Journal, EarlyView.
Petrography, thermobarometry, and pseudosection modelling reveal peak metamorphic conditions of 3–7.5 kbar and 520°C–800°C in Tonian‐Cryogenian orthogneisses of the Dom Feliciano Belt. Metamorphic field gradients of 27°C/km–39°C/km and variable exhumation mechanisms support correlation of these units as remnants of a Himalayan‐type Piratini Orogeny ...
Thaiane Niederauer‐Santos, Carla Cristine Porcher, Daniel Triboli Vieira, Edinei Koester, Diego Jaldín, Karina Luengo, Luisa Caon   +6 more
wiley   +1 more source

GEOCHRONOLOGY OF THE METAMORPHIC ROCKS IN THE KURAI ACCRETIONARY PRISM (SOUTH-EASTERN GORNY ALTAI)

Геодинамика и тектонофизика, 2017
The paper provides a review of the published and new geological and geochronological data on the metamorphic rocks in the Kurai accretionary prism, considering the evolution of the Kuznetsk-Altai island-arc paleosubduction channel of the Siberian ...
A. V. Kulikova, M. M. Buslov, A. V. Travin   +2 more
doaj   +1 more source