Results 11 to 20 of about 5,022,556 (217)

The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces

open access: yesGeophysical Monograph Series, Page 229-246., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson   +2 more
wiley  

+11 more sources

U-Pb geochronology of the Fort Augustus granite gneiss: constraints on the timing of Neoproterozoic and Palaeozoic tectonothermal events in the NW Highlands of Scotland [PDF]

open access: yes, 2001
The West Highland granite gneiss suite in Inverness-shire, Scotland, represents a series of S-type, anatectic granites formed by partial melting of host Neoproterozoic metasediments of the Moine Supergroup.
Kinny, P.D.   +4 more
core   +9 more sources

Timing of deposition, orogenesis and glaciation within the Dalradian rocks of Scotland: constraints from U-Pb zircon ages [PDF]

open access: yes, 2002
The stratigraphical and structural continuity of the Late Proterozoic Dalradian rocks of the Scottish Highlands is re-examined in the light of new U-Pb zircon ages on the tuffs belonging to the Tayvallich Volcanic Formation (601 ñ 4 Ma), and on the late ...
Redwood, S.D.   +7 more
core   +8 more sources

Late Precambrian U-Pb titanite age for peak regional metamorphism and deformation (Knoydartian orogeny) in the western Moine, Scotland [PDF]

open access: yes, 2003
There has been controversy over the number and timing of orogenies in the Precambrian Moine block in the Scottish Caledonides since the earliest radiometric dating in the 1960s. This work challenges a recent hypothesis, that this sector of the Laurentian
Tanner, P.W.G., Evans, J.A.
core   +8 more sources

U-Pb LA-ICP-MS DATING OF DETRITAL ZIRCON FROM UPPER PERMIAN SANDSTONE OF THE BOYEVAYA GORA SECTION (ORENBURG REGION, SOUTHERN CIS-URALS)

open access: yesГеодинамика и тектонофизика, 2022
The first results of U-Pb LA-ICP-MS dating of 150 detrital zircon grains from the Upper Permian sandstone of the Boyevaya Gora section (Orenburg region, the Southern Cis-Urals) are presented. 95 conditional zircon U-Pb isotopic dates form two age peaks –
A. V. Chistyakova   +5 more
doaj   +1 more source

U‐Pb dating of zircon by LA‐ICP‐MS [PDF]

open access: yesGeochemistry, Geophysics, Geosystems, 2006
In this study we used LA‐ICP‐MS (laser ablation–inductively coupled plasma–mass spectrometry) to determine U‐Pb ages of 5 zircon samples of known age (∼1800 Ma to ∼50 Ma) in order to determine the reproducibility, precision, and accuracy of this geochronologic technique.
Chang, Zhaoshan   +3 more
openaire   +2 more sources

U-Pb (ID-TIMS) geochronological method and “in-situ” SIMS zircon dating: possibilities and constrains

open access: yesЛитосфера, 2020
Research subject and methods. The work is based on a comparative study of the data obtained by the authors and those published in literature on U-Pb ID-TIMS and “in-situ” isotopic examination of zircons extracted from a number of Ural geological objects (
Yu. L. Ronkin, A. V. Maslov, S. Sindern
doaj   +1 more source

Direct Calibration Method for LA-HR-ICP-MS Apatite U-Pb Dating

open access: yesYankuang ceshi, 2022
BACKGROUND Apatite is a common U-bearing accessory mineral with a U-Pb closure temperature of ~500℃, making U-Pb dating of apatite a potentially valuable thermochronometer.
ZHAO Linghao   +5 more
doaj   +1 more source

Detrital zircon U-Pb dating and trace elements

open access: yes, 2023
This is the detrital zircon U-Pb dating and trace elements analyses results from the Heilongjiang Complex, NE China for the manuscript, titled as "Continental arc flare-ups and crustal thickening events in NE China: Insights from detrital zircon U-Pb dating and trace elements from the Heilongjiang Complex", submitted to Minetals.
Liu Kai, Xu Mengyu
openaire   +1 more source

U–Th whole rock data and high spatial resolution U–Th disequilibrium and U–Pb zircon ages of Mt. Erciyes and Mt. Hasan Quaternary stratovolcanic complexes (Central Anatolia)

open access: yesData in Brief, 2020
Thirty-eight lava and pyroclastic samples were collected from Mt. Erciyes and Mt. Hasan, the two largest stratovolcanic complexes of the Central Anatolian Volcanic Province in Turkey.
Bjarne Friedrichs   +3 more
doaj   +1 more source

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