Results 51 to 60 of about 8,100 (227)

Late paleozoic to early mesozoic provenance record of paleo-pacific subduction beneath South China

open access: yes, 2015
Northeast trending Yong'an Basin, southeast South China Craton, preserves a Permian-Jurassic, marine to continental, siliciclastic-dominated, retroarc foreland basin succession.
Hu, L.   +4 more
core   +1 more source

Late Cretaceous Gravitational Collapse of the Southern Sierra Nevada Batholith and Adjacent Areas Above Underplated Schists, Southern California [PDF]

open access: yes, 2012
The greater Sierra Nevada batholith (SNB) is an ~ 600 km long NNW-trending composite arc assemblage consisting of a myriad of plutons exhibiting a distinct transverse zonation in structural, petrologic, geochronologic, and isotopic patterns.
Chapman, Alan Daniel
core   +1 more source

Detrital record of mountain building : Provenance of Jurassic foreland basin to the Dabie Mountains

open access: yes, 2010
The Huangshi foreland basin developed on the southern margin of the Dabie Mountains as a result of tectonic loading during Triassic collisional suturing between the North China and South China cratons.
Jianghai Yang   +5 more
core   +1 more source

Detrital Zircons Dismember Sibumasu in East Gondwana [PDF]

open access: yesJournal of Geophysical Research: Solid Earth, 2018
AbstractSibumasu is inferred to have developed as a united terrane in East Gondwana, with West Sumatra linked to Cathaysia. New detrital zircon U‐Pb and Hf isotopic data from Sumatra, complemented by literature data, challenge the above views. The scarcity of early Neoproterozoic zircons in West Sumatra argues against a direct connection between West ...
Xiaoran Zhang   +6 more
openaire   +2 more sources

Intermontane basins and bimodal volcanism at the onset of the Sveconorwegian Orogeny, southern Norway

open access: yes, 2014
This research was supported by the University of St Andrews and the Natural Environment Research Council Steering Committee (IMF458/0512 and IP-1326-0512).The greenschist-facies late Mesoproterozoic Bandak succession in southern Norway consists of ...
Roberts, Nick M.W.   +13 more
core   +1 more source

A brief introduction to the detrital zircon U–Pb and Hf isotopic datasets for mainland China and adjacent regions

open access: yesGeoscience Data Journal
Improvements in analytical technique and data processing lead to a large deposit of detrital zircon U–Pb and Hf isotopic data in published journal articles, thesis and reports.
Jianghai Yang   +3 more
doaj   +1 more source

Detrital zircon geochronology of Paleoproterozoic metasedimentary rocks from Jämsä, Central Finland [PDF]

open access: yesBulletin of the Geological Society of Finland
In this short communication, we present new detrital single grain zircon U-Pb data for six metasedimentary rock samples from Jämsä, Central Finland.
Perttu Mikkola   +2 more
doaj   +1 more source

A Late-Miocene Yuli belt? New constraints on the eastern Central Range depositional ages

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2020
In Taiwan’s Central Range mountains, fundamental constraints on depositional ages and the timing of deformation and metamorphism remain a problematic issue preventing a consensual chronology of orogenic events to be established.
Lucas Mesalles   +5 more
doaj   +1 more source

Late Pleistocene Volcanic Rocks From Tengchong Volcanic Field at SE Tibetan Plateau: Constraints on Petrogenesis and Mantle and Crustal Processes

open access: yesGeological Journal, EarlyView.
Early zircon saturation and crystallisation occur in mafic (52–54 wt.% SiO2) lavas at Tengchong volcanic field. These early formed zircons with high δ18O (6.6‰–7.9‰) indicates mantle enrichment by subducted supracrustal materials. ABSTRACT Late Pleistocene (< 0.2 Ma) mafic and evolved volcanic rocks occur in northern Tengchong Volcanic Field, SE ...
Lizhu Wang, Haibo Zou
wiley   +1 more source

From Highlands to Henge: Refining the Provenance and Transport Pathways of Stonehenge's Altar Stone

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT The Altar Stone, the 6000 kg central sandstone megalith at Stonehenge in southern England, is suggested to have originated from the Orcadian Basin in northeast Scotland, some 700 km away. However, its source location within this large basin remains unresolved and its mode of transport uncertain.
Anthony J. I. Clarke   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy