Search
Search Results
-
The Role of the Back-arc Basin in the Formation of Slab Heterogeneity and the Origin of Volcanism in the Kuril–Kamchatka Island Arc
AbstractThe origin of volcanism along the Kuril–Kamchatka Island Arc (KKIA) was analyzed. Geophysical observations show variations in the slab...
-
Back-Arc Magmatism in the Cadomian Basin of NW Iran: Ortho-Amphibolites from the Alam Kandi Area
AbstractAlam Kandi amphibolites are exposed in NW Iran within the Takab metamorphic complex along with gneiss, schist, meta-peridotites and...
-
Melts from hydrous depleted back-arc mantle at a young boninitic volcano on the flank of Valu Fa Ridge (Lau basin, SW Pacific)
Volcano S3 is a young seamount located ~ 5 km east of the Valu Fa Ridge (VFR) in the Lau Basin, which has erupted boninitic lavas. We present new...
-
Elemental Compositions of Clinopyroxenes from Southern Okinawa Trough Basalt: Implications for Magmatism and Structural Environment in an Initial Back-Arc Basin
The major and trace elemental compositions of clinopyroxene from basalt were used to characterize the nature of the primitive magma and structural...
-
Incipient subsidence and subsequent clockwise rotation of the Miocene Janggi onshore basin, SE Korea, associated with the back-arc opening of East Sea
This paper presents detailed geological information on the Guryongpo Subbasin in the northern part of Miocene Janggi Basin. Detailed geological...
-
Geophysical investigation of the Mado Megamullion oceanic core complex: implications for the end of back-arc spreading
Detachment faulting is one of the main styles of seafloor spreading at slow to intermediate mid-ocean ridges. However, we have limited insight into...
-
Copper behavior in arc-back-arc systems: Insights into the porphyry Cu metallogeny of the Gangdese belt, southern Tibet
The genetic link between subduction- and collision-related porphyry Cu deposits (PCD) is still not well understood. The Gangdese porphyry Cu belt...
-
Late Carboniferous back-arc rifting in Junggar Basin, NW China: implication for the rapid continental growth in accretionary orogens
The final closure of oceans in accretionary orogens is a transformative process for continental crustal growth. The geodynamic mechanism is still...
-
Basaltic cognate enclaves from Dokdo Island as a window for intraplate mafic alkaline OIB magma dynamics in a back-arc basin
Volcanoes with ocean island basalt (OIB)-like characteristics occur in all settings. Their origin is particularly enigmatic when they occur in close...
-
Geochemical characteristics of back-arc basin lower crust and upper mantle at final spreading stage of Shikoku Basin: an example of Mado Megamullion
This paper explores the evolutional process of back-arc basin (BAB) magma system at final spreading stage of extinct BAB, Shikoku Basin (Philippine...
-
A possible mechanism for spontaneous cyclic back-arc spreading
Back-arc spreading is a non-steady-state process exemplified by the repeated cycles of spreading of the South Fiji and the Lau Basins behind the...
-
Geochemical Features of Bellara Trap Volcanic Rocks of Chitradurga Greenstone Belt, Western Dharwar Craton, India: Insights into MORB-BABB Association from a Neoarchean Back-Arc Basin
This study presents a comprehensive account of the petrogenetic and geodynamic evolution of the Bellara Trap volcanic rocks from the Ingaldhal...
-
Golpayegan Metamorphic Complex (Sanandaj–Sirjan Zone, Iran) as Evidence for Cadomian Back-Arc Magmatism: Structure, Geochemistry and Isotopic Data
AbstractThe Golpayegan metamorphic complex is located in the Sanandaj-Sirjan Zone, Iran. This complex consists of various metamorphic rocks including...
-
From Cadomian back-arc basin to Rheic Ocean closure: the geochronological records of the Kurtoğlu Massif, eastern Sakarya Zone, Turkey
New U–Pb zircon data from the Kurtoğlu Massif (eastern Sakarya Zone, Turkey) reveal a Cadomian back-arc basin, evolving to closure of the Rheic...
-
Peridotites with back-arc basin affinity exposed at the southwestern tip of the Mariana forearc
Peridotites at water depths of 3430 to 5999 m have been discovered using the submersible Shinkai6500 (dives 6K-1397 and 6K-1398) on the southwestern...
-
Age determination and evolution of the paleoenvironmental conditions of Oligocene-Miocene sediments (Qom Formation) in the Qom Back-Arc Basin (northern margin of Neotethys), Central Iran
The age and evolution of paleoenvironmental conditions in the Oligocene-Miocene sedimentary sequences (Qom Formation) from the Andabad, Nowbaran, and...
-
Neotectonics at the SE Continental Margin of the Korean Peninsula: Implications for the Back-Arc Region Behind the SW Japan Arc
The geological evolution of the SE continental margin of the Korean Peninsula resulted from crustal extension with back-arc rifting to spreading...
-
Fault activity on the inner continental shelf of the SE Korean Peninsula associated with back-arc opening and closing in the NW Pacific subduction zone
The SE continental shelf of the Korean Peninsula was deformed by back-arc rifting associated with the separation of the SW Japan Arc in the Cenozoic....
-
Thermal evolution of a Variscan syn-orogenic intracontinental basin (Servoz basin, Western Alps): RSCM geothermometry and geochronology
The Variscan basement of the Aiguilles-Rouges massif (Western Alps) exposes the Servoz syncline which consists of a metavolcano-sedimentary sequence...
-
Platform and back-arc basins during the Gondwana Collage: Andrelândia Group and Paraíba do Sul Complex (Brazil)
This work aims to analyze data of U–Pb and Lu–Hf isotopes (by LA-ICP-MS) on detrital zircons from the Andrelândia Group and Paraíba do Sul Complex to...
