Results 31 to 40 of about 67,223 (338)

The copper deposits of Bor, eastern Serbia: Geology and origin of the deposits [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2014
The copper deposits of Bor, volcanic activities in the area and relationship of minerals through time are presented by formations within the Cenomanian-Turonian range.
Antonijević Ivan, Mijatović Predrag
doaj   +1 more source

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

Mercury linked to Deccan Traps volcanism, climate change and the end-Cretaceous mass extinction

open access: yesGlobal and Planetary Change, 2020
Mercury (Hg) anomalies linked to Large Igneous Provinces (LIP) volcanism have been identified in sediments across all five major mass extinctions in Earth's history. This study tests whether Hg in marine sediments is a reliable proxy linking Deccan Traps
G. Keller   +12 more
semanticscholar   +1 more source

Traces of explosive volcanic eruptions in the Upper Ordovician of the Siberian Platform [PDF]

open access: yesEstonian Journal of Earth Sciences, 2014
Ordovician K-bentonite beds have a long history of investigation all around the world. They have been reported from Gondwana, the Argentine Precordillera, the Yangtze Platform, Laurentia, Baltica, and numerous terrains between Gondwana and Baltica, which
Warren D. Huff   +4 more
doaj   +1 more source

Late Ordovician mass extinction caused by volcanism, warming, and anoxia, not cooling and glaciation: REPLY

open access: yesGeology, 2020
The Ordovician saw major diversification in marine life abruptly terminated by the Late Ordovician mass extinction (LOME). Around 85% of species were eliminated in two pulses 1 m.y. apart.
D. Bond, S. Grasby
semanticscholar   +1 more source

Deep Learning Investigation of Mercury’s Explosive Volcanism

open access: yesRemote Sensing, 2023
The remnants of explosive volcanism on Mercury have been observed in the form of vents and pyroclastic deposits, termed faculae, using data from the Mercury Atmospheric and Surface Composition Spectrometer (MASCS) onboard the Mercury surface, space ...
Mireia Leon-Dasi   +2 more
doaj   +1 more source

Observing eruptions of gas-rich compressible magmas from space

open access: yesNature Communications, 2016
Satellite observations are an important tool in volcano monitoring, but observations such as ground deformation and gas emissions are treated independently. Here, the authors present a model coupling them through their link to magma volatile contents and
Brendan McCormick Kilbride   +2 more
doaj   +1 more source

Geological and chronological characteristics of the Baiyin'gaolao Formation in Gaoyaowula, Inner Mongolia

open access: yesDizhi lixue xuebao, 2021
Based on a regional geological survey at a scale of 1:50000, it reveals that the volcanic rocks from the Baiyin'gaolao Formation of Gaoyaowula in Inner Mongolia could be divided into three lithologic segments by the triple mapping method of "volcanic ...
DONG Peipei   +5 more
doaj   +1 more source

40Ar/39Ar dating of Quaternary lavas in northwest Iran: constraints on the landscape evolution and incision rates of the Turkish-Iranian plateau [PDF]

open access: yes, 2011
We report five new <sup>40</sup>Ar/<sup>39</sup>Ar ages for basaltic lavas in the Maku region of northwest Iran, between ca. 1.87 and 0.40 Ma, which help constrain the tectonic and landscape evolution of this part of the Turkish ...
Allen, M.B.   +5 more
core   +1 more source

The eruptive tempo of Deccan volcanism in relation to the Cretaceous-Paleogene boundary

open access: yesScience, 2019
Two timelines for extinction The Cretaceous-Paleogene extinction that wiped out the nonavian dinosaurs 66 million years ago was correlated with two extreme events: The Chicxulub impact occurred at roughly the same time that massive amounts of lava were ...
C. Sprain   +5 more
semanticscholar   +1 more source

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