Results 31 to 40 of about 859 (200)

Geochemistry of Adakites from the Philippines: Constraints on Their Origins [PDF]

open access: yesResource Geology, 2005
We have identified in the Philippine Archipelago 230 samples of Late Miocene to Quaternary intermediate and evolved magmatic rocks or glasses, the compositions of which plot within the adakitic field defined by Defant and Drummond (1990) using Sr/Y ratios versus Y contents.
Jégo, Sébastien   +6 more
openaire   +2 more sources

Tectonic significance of changes in post-subduction Pliocene-Quaternary magmatism in the south east part of the Carpathian-Pannonian Region [PDF]

open access: yes, 2010
The south-eastern part of the Carpathian–Pannonian region records the cessation of convergence between the European platform/Moesia and the Tisza–Dacia microplate.
Downes, H.   +8 more
core   +1 more source

Petrogenesis of Middle Triassic Adakite-like Intrusions in the Asiha Orogenic Gold Deposit, East Kunlun Orogenic Belt, China

open access: yes, 2023
The East Kunlun Orogenic Belt is considered as one of the important gold mineralization regions in the Tethys tectonic domain. These orogenic gold deposits are related to intermediate-acid intrusions formed at the end of Paleo-Tethys evolution, but the ...
Jinchao Li   +6 more
core   +1 more source

Dataset for the Cenozoic adakite-like granites in Yunnan (SE Tibet)

open access: yes, 2022
This dataset include whole-rock major and trace element, and Sr-Nd-Pb isotope and in situ zircon U-Pb-Hf-O isotpoe compositions for the Cenozoic adakite-like granites in Yunnan.THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE.
Xu, J (via Mendeley Data), Xu, Jian
core   +1 more source

Origin of Eocene adakitic magmatism in northwest Turkey

open access: yesJournal of Asian Earth Sciences, 2020
Abstract In this study, we focus on adakitic porphyries, which are rare and recently discovered in the northwest (NW) Turkey. We present a comprehensive dataset including their petrography, geochemistry, and 40Ar/39Ar geochronology to gain insight into the causes, timing, and possible melt sources of adakitic magmatism in the absence of active ...
Ozyurt, Merve, Altunkaynak, Safak
openaire   +3 more sources

Zircon U–Pb dating, geochemistry, and geology of Shotorsang hypabyssal granitoids, southern Quchan (northeast of Iran) [PDF]

open access: yesپترولوژی, 2022
IntroductionAt the northeastern end of the Sabzevar ophiolitic zone and the southern edge of the Binalud zone and south of Quchan, a 200 km long young magmatic arc consisting mostly of calc-alkaline to adakitic volcanic-intrusive rocks are exposed which ...
Reza Arjmandzadeh   +5 more
doaj   +1 more source

An overview on the origin of adakites/adakitic rocks and related porphyry Cu-Au mineralization, Northern Luzon, Philippines

open access: yesOre Geology Reviews, 2020
Abstract The Philippine island arc is famous for the widely developed large porphyry and epithermal Cu-Au deposits and associated Cenozoic adakites/adakitic rocks. Northern Luzon is one of the most Cu-Au enriched areas in the Philippines, which develops Late-Oligocene to Pleistocene porphyry and epithermal Cu-Au deposits in the Central Cordillera ...
Jianghong Deng   +5 more
openaire   +1 more source

Supplemental Material: Two magma fractionation paths for continental crust growth: Insights from the adakite-like and normal-arc granites in the Ailaoshan fold belt (SW Yunnan, China)

open access: yes, 2022
Figure S1: Primitive mantle-normalized multi-element diagrams for hornblende diorites and cumulative diorites. Figure S2: SiO2 vs. Sr/Y (A) and La/Yb (B) plots for adakite-like rocks formed by partial melting of lower continental crust, showing no binary
Xiaoping Xia (6846810)   +2 more
core   +1 more source

O Adakite‐Like Granites in SE Tibet: Implication for Diapiric Relamination of Subducted Sediments

open access: yes, 2022
Sediment relamination in subduction zones is posited to be important for the compositional evolution, physical structure and material recycling of the Earth.
Christopher J. Spencer   +9 more
core   +1 more source

Non-subduction Ichara adakite-like rocks from West Sakhalin (Russian Far East) versus supra-subduction Daisen adakites from SW Japan: Insight from trace-element modelling of sources

open access: yesGeosystems and Geoenvironment
The Ichara Complex of small intrusions is located on the Late Cenozoic Orlov volcanic field of West Sakhalin, in the area of Lamanon Cape. Andesites and dacites of the Ichara Complex and Orlov volcanic field show adakite-like signature (high Sr/Y, low ...
Tatyana A. Yasnygina   +3 more
doaj   +1 more source

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