Precambrian Basement Structures and Tectonics Wyoming Craton: A Craton under Attack (or the U.S. Craton) Formation and Growth of Continental Lithosphere Initial formation Lateral and vertical growth Role of Wyoming Province in growth of Laurentia What is the Wyoming craton geophysically? An end member of a craton type One of two opportunities of Archean in US Processes of cratonization and decratonization Timing, processes and structures related to crust/mantle and intracrustal differentiation Secular changes of these processes Heat production changes