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Sedimentology and Ore Genesis
Sedimentology and Ore Genesis
Proceedings
None
Patterns of Change in Earth Evolution
3 of the experience of the last few generations. The group of happily unexperienced events includes large bolide impacts with the Earth. The evidence for the occurrence of such impacts at intervals of some tens of millions of years is quite convincing, and Lyell stands admonished by Hamlet: "There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy. " The role of bolide impacts on the history of life during other portions of the Phanerozoic Eon is less clear (see Raup and Fischer, both this volume), and catastrophic changes unrelated to extraterrestrial processes may have been important (see Holser, this volume). Changes in the later Precambrian biota are stil...
Critical Mineral Resources of the United States
As the importance and dependence of specific mineral commodities increase, so does concern about their supply. The United States is currently 100 percent reliant on foreign sources for 20 mineral commodities and imports the majority of its supply of more than 50 mineral commodities. Mineral commodities that have important uses and face potential supply disruption are critical to American economic and national security. However, a mineral commodity's importance and the nature of its supply chain can change with time; a mineral commodity that may not have been considered critical 25 years ago may be critical today, and one considered critical today may not be so in the future. The U.S. Geologi...
Production of Aluminum and Alumina
Aluminium is the most abundant metallic element on the surface of the earth, although never found free in nature. Its many desirable physical, chemical and metallurgical properties make it the most widely used non-ferrous metal. This book provides an overview of aluminium extractive metallurgy.
100 Jahre Universität Hamburg
Multiperspektivische Blicke auf ein Jahrhundert Gelehrsamkeit. Anlass für diese mehrbändige Publikation, die sich der Komplexität von Universität multiperspektivisch nähert, sind 100 Jahre Hamburger Universitätsgeschichte. Nach Band 1 zu allgemeinen Aspekten und Entwicklungen (2020) enthalten die Bände 2 (2021), 3 (2022) und 4 (2023) Beiträge zu einzelnen Fächern und Instituten. Rund 100 Autorinnen und Autoren beteiligen sich an dem Gesamtprojekt. Band 4 widmet sich der Mathematik, der Informatik, den Naturwissenschaften und der Medizin. Mit unterschiedlichen methodischen Ansätzen und auf breiter Quellenbasis wird die Entwicklung der Fächer teils in Überblicksdarstellungen, teils...
