Lecture notes
Lecture notes Geobiology (GS10720)
- Module
- Geobiology (GS10720)
- Institution
- Aberystwyth University (UWA)
Lecture notes of 45 pages for the course Geobiology at UWA
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12.007 Geobiology 2013Description
Parallel evolution of life and the environment. Life processes are
influenced by chemical and physical processes in the atmosphere,
hydrosphere, cryosphere and the solid earth. In turn, life can influence
chemical and physical processes on our planet. This course introduces
the concept of life as a geological agent and examines the interaction
between biology and the earth system during the roughly 4 billion years
since life first appeared.
Grading:
25% Participation in class discussions
15% Problem Sets/Assignments
10% Weekly quizzes
20% Final Blog Piece
15% Midterm Exam
15% Final Exam
1
, 12.007 Geobiology 2013
Lecture Schedule
1. Wed 2/6 Overview of course; What is life? Can it be defined? Habitability and the HZ; Alternate forms of
life? Abundance of elements. That arsenic paper!!. Geochronology; Time scales of major events in formation
of Universe and Solar System; Life as a geological agent. (Summons)
Stanley, Chap. 1 & 2 Kump 187-195
2. Mon 2/11: Planetary accretion and differentiation. Sedimentary environments and processes; Stratigraphy;
Plate tectonics; Isostasy; Radiative balance; Greenhouse gases. Faint Young Sun. Brief history of
paleontology and geobiology; (Summons)
Stanley pp. 129-151, 177-197
3. Wed 2/13: Prebiotic chemistry, Nucleic acids, Amino Acids and Chirality, Origins of life, Panspermia; Luca
and the three domains; Universal tree of life (Summons)
Kump 381-396, Stanley 103-127
What is Life Quiz
Woese paper for Wed 2/23
2
, The Solar System
and Earth Accretion
& Differentiation
3
, Formation of the Solar System
• Sites and images Maria Zuber Website
12.004 Introduction to Planetary Science
http://web.mit.edu/12.004/www/sites.html
Text: Earth System History Steven M. Stanley, 1998
Other Readings:
5 papers in Scientific American Oct 1994 Volume 271 from the big
bang to pollution Weinberg, Peebles, Kirschner, Allegre and Orgel
Delsemme, 1996, The origin of the atmosphere and of the oceans in Comets
and the Origin and Evolution of Life (Eds Thomas, P.J., Chyba, C.F.,
McKay, C.P.)
Chyba and Sagan, 1996, Comets as a source of Prebiotic Organic
Molecules for the Early Earth in Comets and the Origin and Evolution of
Life (Eds Thomas, P.J., Chyba, C.F., McKay, C.P.)
4
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