Elastic modulus (E) is a key parameter in predicting the ability of material to withstand pressure and plays critical role design rock engineering projects. E has broad applications stability structures mining, petroleum, geotechnical engineering, etc. can be determined directly by conducting laboratory tests, which are time consuming, require high-quality core samples costly modern instruments...

The Sierra de Guasayán (Eastern Sierras Pampeanas, Argentina) is formed by low to medium grade metamorphic rocks intruded Cambrian metaluminous (La Soledad quartz-diorite), slightly peraluminous (Guasayán, El Escondido and Martirizado granodiorite plutons), strongly (Alto Bello granodiorite) granitoids of the Pampean magmatic arc. Chemical compositions amphibole, plagioclase, biotite, titanite ...

Early Jurassic U-Pb age is obtained for both foliated and undeformed granites on Horseshoe Island, Antarctic Peninsula. Some microstructures in the granites/orthogneisses indicate high-temperature greenschist or low- to medium-temperature amphibolite facies deformation conditions. Additionally, a Late Cretaceous yielded gabbro intruding deformed granitoids.

Fire is a major decay agent of rocks and can generate immediate catastrophic effects as well directional anisotropic damage that affect long-term weathering processes. Temperature increase the most relevant factor, among other components in fire, generating mineral transformations bulk mechanical damage. Mineralogical changes at high temperatures are key to understanding overall behaviour. Howe...