Thesiss

In the Melilla basin of northeastern Morocco a Tortonian-to-Messinian sequence of sedimentary rocks, principally carbonates, has been studied in detail over an area of 30 km\sp2. This succession includes a dramatically exposed shallow-marine carbonate complex. From bottom to top…

The main features of the geologic history of Asia during the Cenozoic are the growth of the Tibetan Plateau and widespread aridification of mid-latitude Asia, which developed as global climate was experiencing a cooling trend from a Hothouse to an Icehouse state. The interplay b…

In this dissertation, the origins of Fe-carbonates in the Paleoproterozoic Gunflint Formation of Ontario, Canada are investigated through petrographic and isotopic analysis of carbonate-rich Gunflint samples as well as experiments designed to elucidate the chemical conditions th…