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20402410 GEOCHEMISTRY AND PETROLOGY OF PLATE MARGINS in Field and Natural Resources Geology LM-74 SOLIGO MICHELE, ROSSETTI FEDERICO, ROMANO CLAUDIA
(syllabus)
Part I: The igneous process. geochemical characteristics of magmas as petrogenetic indicators. trace elements and isotopic distribution in magmas. magma melting and diversity. magmatic series. geochemical features and eruptive style in the main petrogenetic provinces. mid-ocean ridge volcanism, subduction-related igneous activity and granitoid rocks. orogenesis and magmatism: the meditteranean province.
Part II: the metamorphic process: lithological types and the main metamorphic facies; gradient of metamorphism and geodynamic settings. the orogenic and subduction-zone metamorphism.the contact metamorphism; migmatites and partial melting processes. mineral growth and rock fabrics: pre-, syn- , post-kinematic crystallization. metamorphic thermobarometry and reconstruction of the pressure-temperature-time (p-t-t) paths in polyphase metamorphism. orogeny and metamorphism: regional examples.
Part III: Main isotopic dating methods used in different geodynamic settings with the aim to understand potential and limits of each method. theory and applications of the following methods: k/ar, ar/ar, rb/sr, u-th/pb, sm/nd. radiation damage methods, as fission tracks and luminescence, particularly useful in thermochronometric reconstruction.
(reference books)
Part I
J. D. Winter - An Introduction To Igneous And Metamorphic Petrology. Prentice Hall, New Jersey
Part II
Bucher & Fry - Petrology Of Metamorphic Rocks. Springer
Part III
Faure, T. M. Mensing – Isotopes. Principles And Applications. Wiley, 2005
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