Detrital muscovite 40Ar/39Ar ages from Carboniferous sandstones of the British Isles: provenance and the implications for the uplift history of orogenic belts

Article Abstract:

Research is presented concerning the determination of the 40Ar/39Ar ages of 162 detrital muscovites deposited between 370 and 465 Ma in 11 course sandstones from the Visean-Namurian and Famennian in the United Kingdom.

United Kingdom, Sandstone, Sediments (Geology), Carboniferous period, Sediments

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40Ar/39Ar muscovite ages from the Penninic-Austroalpine plate boundary, Eastern Alps

Article Abstract:

The Penninic-Austroalpine plate boundary, eastern Alps was studied and 40Ar/39Ar muscovite ages determined.

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Eastern Alpine tectono-metamorphic evolution: constraints from two-dimensional P-T-t modeling

Article Abstract:

Two-dimensional pressure-temperature-time modeling facilitates the interpretation of the late Mesozoic and Cenozoic tectonic evolution of Eastern Alps. The short phase subduction of the South Penninic oceanic lithosphere began after crustal thickening of the Austro-Alpine upper plate nappe stack and its subsequent return to normal thickness. Temperature gradients and inverted metamorphic events are explained by this modeling technique. Reasons for a weak lithospheric core in the Eastern Alps are discussed.

Observations, Metamorphism (Geology), Tertiary period

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