Jan Zalasiewicz, professore di paleobiologia all'Università di Leicester, approfondisce l'Antropocene.
Jan Zalasiewicz è Professore di Paleobiologia all'Università di Leicester, Regno Unito. All'inizio della sua carriera è stato geologo sul campo e paleontologo presso il British Geological Survey, lavorando per decifrare gli strati dell'Inghilterra orientale e poi le montagne del Galles centrale. Ora insegna geologia e storia della Terra a studenti universitari e post-laurea e studia ecosistemi e ambienti fossili in oltre mezzo miliardo di anni di tempo geologico. Negli ultimi anni è stato coinvolto nello sviluppo di idee sull'Antropocene, il concetto secondo cui gli esseri umani ora guidano gran parte della geologia sulla superficie della Terra, e presiede il Gruppo di lavoro sull'Antropocene della Commissione Internazionale sulla Stratigrafia.
Geology: A Very Short Introduction pdf da Jan Zalasiewicz
Ranging across the 4.6 billion year history of the planet, geology is the subject that encompasses almost all that we see around us, in one way or another, and also much that we cannot see, beneath our feet, and on other planets. The fruits of geology provide most of the materials that give us shelter, and most of the energy that drives our modern lives. Within the study of geology lie some of the clues to the extraordinary impact our species is going to play out on the planet, in centuries and millennia to come.
In this Very Short Introduction Jan Zalasiewicz gives a brief introduction to the fascinating field of geology. Describing how the science developed from its early beginnings, he looks at some of the key discoveries that have transformed it, before delving into its various subfields, such as sedimentology, tectonics, and stratigraphy. Analyzing the geological foundations of the Earth, Zalasiewicz explains the interlocking studies of tectonics, geophysics, and igneous and metamorphic petrology and geochemistry; and describes how rocks are dated by radiometric dating. Considering the role and importance of geology in the finding and exploitation of resources (including fracking), he also discusses its place in environmental issues, such as foundations for urban structures and sites for landfill, and in tackling issues associated with climate change. Zalasiewicz concludes by discussing the exciting future and frontiers of the field, such as the exploration of the geology of Mars.
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