U.S. Mexican Spanish West of the Mississippi proposes a macro-dialect of the most widely spoken Spanish variety in the western United States from a number of social and linguistic angles. This book is unique in its focus on this one variety of Spanish, which allows for a closer investigation of the social context and linguistic features through a number of different topics. Comprised of 13 chapters divided into two sections, this textbook provides insight into the history, demographics, migration, and social issues of US Mexican Spanish in the first section and its lexicography, phonology, and structure in the second. Useful for scholars interested in Spanish in the United States, dialectology, and sociolinguistics, this is also an ideal resource for advanced undergraduate and graduate students of Spanish.
Fluid-aided mass transfer and subsequent mineral re-equilibration are the two defining features of metasomatism and must be present in order for metamorphism to occur. Coupled with igneous and tectonic processes, metasomatism has played a major role in the formation of the Earth’s continental and oceanic crust and lithospheric mantle as well as in their evolution and subsequent stabilization. Metasomatic processes can include ore mineralization, metasomatically induced alteration of oceanic lithosphere, mass transport in and alteration of subducted oceanic crust and overlying mantle wedge, which has subsequent implications regarding mass transport, fluid flow, and volatile storage in the lithospheric mantle overall, as well as both regional and localized crustal metamorphism. Metasomatic alteration of accessory minerals such as zircon or monazite can allow for the dating of metasomatic events as well as give additional information regarding the chemistry of the fluids responsible. Lastly present day movement of fluids in both the lithospheric mantle and deep to mid crust can be observed utilizing geophysical resources such as electrical resistivity and seismic data. Such observations help to further clarify the picture of actual metasomatic processes as inferred from basic petrographic, mineralogical, and geochemical data. The goal of this volume is to bring together a diverse group of geologists, each of whose specialities and long range experience regarding one or more aspects of metasomatism during geologic processes, should allow them to contribute to a series of review chapters, which outline the basis of our current understanding of how metasomatism influences and helps to control both the evolution and stability of the crust and lithospheric mantle.
Vasculitis is a term for a group of rare diseases that have in common inflammation of blood vessels and there are many types of vasculitis, and they may vary greatly in symptoms, severity and duration. Vasculitis can range from mild to life-threatening and early detection and treatment of severe vasculitis can prevent permanent damage.
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.