Results 11 to 20 of about 110,511 (334)

Sedimentary Mercury Enrichments as a Tracer of Large Igneous Province Volcanism

open access: yesGeophysical Monograph Series, Page 247-262., 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.
Lawrence M. E. Percival   +3 more
wiley  

+13 more sources

Quantum metamorphism [PDF]

open access: yesPhysical Review B, 2020
10 pages, 7 ...
V. M. Bastidas   +4 more
openaire   +3 more sources

Mineralogy, geochemistry and metamorphism of the early Proterozoic Vähäjoki iron ores, northern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1991
The Vähäjoki iron ores occupy the uppermost part of the Karelian (Early Proterozoic) quartzite-dolomite sequence deposited on the late Archaean basement in southern Lapland.
J. Liipo, K. Laajoki
doaj   +1 more source

A Novel Method for Detecting Future Generations of Targeted and Metamorphic Malware Based on Genetic Algorithm

open access: yesIEEE Access, 2021
This paper presents a novel solution for detecting rare and mutating malware programs and provides a strategy to address the scarcity of datasets for modeling these types of malware.
Danial Javaheri   +2 more
doaj   +1 more source

Metamorphic testing of OpenStreetMap [PDF]

open access: yesInformation and Software Technology, 2021
Context: OpenStreetMap represents a collaborative effort of many different and unrelated users to create a free map of the world. Although contributors follow some general guidelines, unsupervised additions are prone to include erroneous information.
Jesús M. Almendros-Jiménez   +3 more
openaire   +4 more sources

Conditions of metamorphism of the Outokumpu Cu - Co - Zn deposit from sphalerite geobarometry [PDF]

open access: yesBulletin of the Geological Society of Finland, 1998
Electron microprobe analysis was used to determine Zn and Fe in homogeneous samples of sphalerite in mutual contact with pyrrhotite and pyrite from the disseminated ore layer stratigraphically high in the Keretti orebody at Outokumpu, Finland.
J.M. Warrender, D.R. Bowes, C.M. Farrow
doaj   +1 more source

Active degassing of crustal CO2 in areas of tectonic collision: A case study from the Pollino and Calabria sectors (Southern Italy)

open access: yesFrontiers in Earth Science, 2022
Carbon dioxide (CO2) is released from the Earth’s interior into the atmosphere through both volcanic and non-volcanic sources in a variety of tectonic settings.
Paolo Randazzo   +10 more
doaj   +1 more source

Diachronous Redistribution of Hf and Nd Isotopes at the Crystal Scale—Consequences for the Isotopic Evolution of a Poly-Metamorphic Crustal Terrane

open access: yesGeosciences, 2022
In metamorphic rocks, mineral species react over a range of pressure–temperature conditions that do not necessarily overlap. Mineral equilibration can occur at varied points along the metamorphic pressure–temperature (PT) path, and thus at different ...
Adrien Vezinet   +4 more
doaj   +1 more source

Metamorphic Conditions and Raman Spectroscopic Carbonaceous Material Thermometry of Host Schists of Olympiada and Eldorado Gold Deposits (Yenisey Ridge, Russia)

open access: yesGeosciences, 2021
Metamorphic processes play a key role in forming orogenic gold deposits. In this paper, we present new evidence that host schists of the two largest gold deposits of the Yenisey ridge (Russia) Olympiada and Eldorado underwent a single stage of ...
Vasiliy Sukhorukov   +3 more
doaj   +1 more source

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