Weekly posts for Geology 100. See course notes and syllabus pages for outline, topics, requirements, and deadlines.
Monthly Archives: September 2017
The sixth week already. It must be time to really “conquer the land” as we say too often. Please review the links for last week so you’re up to speed on the amphibians. Their descendants the reptiles are an enormously … Continue reading
This week we return to the Paleozoic and examine developing marine communities, followed by a discussion of the causes of the Permian Mass Extinctions — the greatest disaster in the History of Life. Paleogeographic maps of Pangaea at the end … Continue reading
Our topic this week is the rise of animal life and the early development of marine communities. A good place to start on the Web is at Queen’s University’s Ediacaran fauna page. (Canadians are big on the earliest rocks and … Continue reading
Hard to believe we’re already in the fourth week. We will begin with continued discussions of origins, especially hypotheses about the origin of life. Please be sure to look at the links listed for last week on this topic. We … Continue reading