Results 121 to 130 of about 3,632 (206)

Tectonothermal history of the Mesoproterozoic Novillo Gneiss of eastern Mexico: support for a coherent Oaxaquia microcontinent

open access: yesRevista Mexicana de Ciencias Geológicas, 2014
El Gneis Novillo es uno de los varios afloramientos de basamento Mesoproterozoico (ca. 10-1.2 Ga) en el este de México que han sido interpretados como pertenecientes a un único bloque cortical (Oaxaquia), el cual ha figurado de manera prominente en las ...
Robert J. Trainor   +2 more
doaj  

How Stiff Was Armorica During the Variscan Orogeny? A Reappraisal of the “Bretonian” Phase in Central Brittany

open access: yesGeosciences
In collision belts, the upper plate is generally less deformed than the lower one that underwent syn-metamorphic ductile shearing, and frequently late-collisional crustal melting.
Michel Faure   +3 more
doaj   +1 more source

A normalised seawater strontium isotope curve: possible implications for Neoproterozoic-Cambrian weathering rates and the further oxygenation of the Earth [PDF]

open access: yes, 2007
The strontium isotope composition of seawater is strongly influenced on geological time scales by changes in the rates of continental weathering relative to ocean crust alteration.
Shields, GA
core   +1 more source

Mesoproterozoic granitoids of the Kokchetav microcontinent basement

open access: yesDoklady Earth Sciences, 2011
O. M. Turkina   +2 more
openaire   +2 more sources

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