Results 11 to 20 of about 668,632 (409)

U-Pb age of titanite from diorit of Osnytsky Block (Volyn Megablock of Ukrainian Shield)

open access: yesГеологія і корисні копалини Світового океану, 2023
The Osnytsky block is a constituent part of the Osnytsky-Mikashevytsky volcano-plutonic belt. The leading place in the geological structure of the Osnytsky block is occupied by the rock association, which includes a number of plutonic formations from ...
VYSOTSKY O.B.   +3 more
doaj   +1 more source

Geochemistry and geochronology of Carboniferous volcanic rocks from the Edren range, Trans-Altai Zone, SW Mongolia

open access: yesMongolian Geoscientist, 2022
The Edren range of the Trans-Altai zone is situated in the central south part of the Central Asian Orogenic Belt. The Edren range is composed primarily of volcano-sedimentary rocks that were weakly metamorphosed during the Devonian to Carboniferous ...
Otgonkhuu Javkhlan   +4 more
doaj   +1 more source

Tectonic history of the South Tannuol Fault Zone (Tuva region of the northern Central Asian Orogenic Belt, Russia) : constraints from multi-method geochronology [PDF]

open access: yes, 2020
In this study, we present zircon U/Pb, plagioclase and K-feldspar Ar-40/Ar-39 and apatite fission track (AFT) data along the South Tannuol Fault Zone (STFZ).
De Grave, Johan   +6 more
core   +1 more source

Impact and Correction of Analytical Positioning on Accuracy of Zircon U-Pb Dating by SIMS

open access: yesFrontiers in Chemistry, 2020
Secondary ion mass spectrometry (SIMS) is one of the most important analytical tools for geochronology, especially for zircon U-Pb dating. Due to its advantages in spatial resolution and analytical precision, SIMS is the preferred option for multi-spot ...
Yu Liu   +13 more
doaj   +1 more source

Geochronological and geochemical characteristics of the Caledonian Longquan pluton in southern Zhejiang, and their geological significance

open access: yesDizhi lixue xuebao, 2022
The Longquan pluton is a rare Caledonian granitic rock mass in southern Zhejiang. Studies on the Longquan pluton using petrology, geochemistry, and chronology were conducted in this paper, which reveal that it is composed of granite-monzogranite ...
LIU Yuandong   +5 more
doaj   +1 more source

In-situ zircon U-Pb dating method by LA-ICP-MS and discussions on the effect of different beam spot diameters on the dating results

open access: yesDizhi lixue xuebao, 2022
By using the newly introduced GeoLas HD 193 nm ArF excimer laser ablation system and the Agilent 7900 quadrupole inductively coupled plasma mass spectrometer (ICP-MS) in the Key Laboratory of Paleomagnetism and Tectonic Reconstruction at the Institute of
WANG Sen   +8 more
doaj   +1 more source

Towards a U-Pb age map for northern Australia [PDF]

open access: yesASEG Extended Abstracts, 2018
Understanding the geological evolution and resource prospectivity of a region relies heavily on the integration of different geological and geophysical datasets.
Jade Anderson, Geoff Fraser
openaire   +1 more source

Direct dating of mid-crustal shear zones with synkinematic allanite:new in situ U-Th-Pb geochronological approaches applied to the Mont Blanc massif [PDF]

open access: yes, 2013
International audienceDating the timing of motion on crustal shear zones is of tremendous importance for understanding the assembly of orogenic terranes.
Cenki-tok, Benedicte   +4 more
core   +3 more sources

Mineralization age and genesis of the makeng-style iron deposits in the Paleo-Pacific tectonic domain of South China: In situ LA-ICPMS garnet U-Pb chronological and geochemical constraints

open access: yesFrontiers in Earth Science, 2023
To reveal the genesis of Makeng-style iron polymetallic deposits from SE China in the paleo-Pacific tectonic domain, a new analytical method of LA-ICPMS garnet U-Pb dating and rare Earth element analysis was conducted for the Makeng, Luoyang, Dapai and ...
Sen Wang   +13 more
doaj   +1 more source

SHRIMP ion probe zircon geochronology and Sr and Nd isotope geochemistry for southern Longwood Range and Bluff Peninsula intrusive rocks of Southland, New Zealand [PDF]

open access: yes, 2006
Permian–Jurassic ultramafic to felsic intrusive complexes at Bluff Peninsula and in the southern Longwood Range along the Southland coast represent a series of intraoceanic magmatic arcs with ages spanning a time interval of 110 m.y.
Aronson JL   +15 more
core   +2 more sources

Home - About - Disclaimer - Privacy