Sentences with phrase «of large igneous provinces»

(1) 40Ar39Ar dating and isotopic geochemistry of large igneous provinces.

Not exact matches

One suspect behind several mass extinctions is a kind of enormous volcanic zone called a large igneous province, or LIP.

Large igneous provinces, or LIPs, are huge pools of volcanic rocks poured out at the Earth's surface.

Eventually the magma ran out, leaving a large igneous province — a 20 - mile - thick pile of volcanic rocks.

Their findings further substantiate the critical role of mantle plumes in forming large igneous provinces.

High - precision dating of the Kalkarindji large igneous province, Australia, and synchrony with the Early — Middle Cambrian (Stage 4 — 5) extinction

In Earth's past the trigger for these greenhouse gas emissions was often unusually massive volcanic eruptions known as «Large Igneous Provinces,» with knock - on effects that included huge releases of CO2 and methane from organic - rich sediments.

Proposed hypothe - ses include (i) biogenic methane from gas hydrate dissociation (Dickens et al., 1995,1997); (ii) CO2 from extensive oxidation terrestrial organic carbon (Kurtz et al., 2003; Deconto et al., 2012); (iii) thermogenic methane derived from emplacement of a large 25 igneous province (LIP) in the North Atlantic (Svensen et al., 2010) or combinations of such sources (Sluijs et al., 2007; Panchuk et al., 2008).

While the biggest volcanic eruptions — including large igneous provinces like the Siberian Traps — are known to be linked to climate upheaval and even mass extinctions, emerging work shows that under the right conditions, smaller eruptions or series of eruptions can also affect climate.