Trends in Ocean S‐Isotopes May Be Influenced by Major LIP Events
Geophysical Monograph Series, Page 341-376., 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.
Ross. R. Large +5 more
wiley +1 more source
Guadalupe pluton–Mariposa Formation age relationships in the southern Sierran Foothills: Onset of Mesozoic subduction in northern California? [PDF]
, 2009 We report a new 153 ± 2 Ma SIMS U-Pb date for zircons from the hypabyssal Guadalupe pluton which crosscuts and contact metamorphoses upper crustal Mariposa slates in the southern Sierra.
Ernst, W. G. +2 more
core +1 more source
International Journal of Coal Geology, 2017 Abstract During coal combustion for electric power generation, rare earth elements (REE) are strongly retained in the ash fraction leading to significant enrichment compared to the REE content of the respective feed coals. Knowing how the REE are distributed in coal ash is essential to devising effective approaches for REE extraction from this ...
Allan Kolker +5 more
openaire +1 more source
Isotope-geochronological (SHRIMP-RG) studies of zircon from muscovite-tourmaline granites of the Kolmozero-Voronya greenstone belt: insights for sources of rare metal pegmatites [PDF]
IOP Conference Series: Earth and Environmental Science, 2019 Abstract The article provides data on the U-Pb isotope (SHRIMP RG) study of tourmaline-muscovite granites of the Kolmozero-Voronya greenstone belt. The tourmaline-muscovite granites formed in the time span of 2451±60 Ma, which corresponds with the previously obtained age of tantalite from rare metal pegmatites of the Vasin-Myl’k deposit.
N M Kudryashov, O V Udoratina, M A Coble
openaire +1 more source
Geochronology and Tectonic Significance of Middle Proterozoic Granitic Orthogneiss, North Qaidam HP/UHP Terrane, Western China [PDF]
, 2006 Amphibolite-facies para- and orthogneisses near Dulan, in the southeast part of the North Qaidam terrane, enclose minor ultra-high pressure (UHP) eclogite and peridotite.
Bird, D. K. +4 more
core +2 more sources
Post-supereruption recovery at Toba Caldera
Nature Communications, 2017 Toba Caldera in Indonesia had one of the largest volcanic eruptions over the last 100 kyr and has since undergone periods of resurgence. Here, the authors present zircon and sediment age data showing resurgence started after the climactic eruption and ...
Adonara E. Mucek +5 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]
, 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
Variscan sourcing of Westphalian (Pennsylvanian) sandstones in the Canobie Coalfield, UK [PDF]
, 2010 The zircon age spectrum in a sample from the Canonbie Bridge Sandstone Formation (Asturian) of southern Scotland contains two main peaks. One is Early Carboniferous in age (348– 318 Ma), and corresponds to the age of igneous activity during the ...
ANDREW MORTON +21 more
core +1 more source
Ultra - high temperature granulite - facies metamorphic rocks from the Mozambique belt of SW Tanzania [PDF]
, 2013 The metamorphic rocks in the Neoproterozoic (Pan-African) Mozambique belt of southwestern Tanzania, around the town of Songea, can be subdivided into one- and two pyroxene bearing charnockitic gneisses, migmatitic granitoid gneisses and amphibolite ...
Kröner, A., Sommer, Holger
core +1 more source
U-Pb zircon age of Ordovician magmatism in the Albera Massif (Eastern Pyrenees) [PDF]
, 2011 New geochronological data from the Albera Massif confirm the presence of an Early - Mid Ordovician igneous event (472 - 465Ma) recorded in the pre-Variscan rocks of the Pyrenees.
Carreras, J. +5 more
core +5 more sources