'Gondwana' diaporamas de présentation

Geology Plate Tectonics Mid-Ocean Ridge System

Geology Plate Tectonics Mid-Ocean Ridge System Discovered from sea floor mapping with SONAR during and after World War II Largest geological feature on Earth Ridges displaced in some areas by transform faults Trenches Conspicuous sea floor features Especially common in the Pacific Ocean.

905 views • 66 slides

Extinction

Extinction. Overview. Extinctions are as important in the history of life as are the evolution of new species Explaining extinctions is just as challenging a scientific question as explaining the evolution of new species

628 views • 39 slides

Speciation

Speciation. 1. In your blog: What is a species? . D2.3 What is a species?. Ecological species = set of organisms adapted to a particular set of resources in an environment (niche) Genetic species = similarity of DNA Evolutionary species = share a similar ancestor

684 views • 32 slides

Summary about Iran, its geology setting, and its mineral deposits and fossil fuel reserves

Summary about Iran, its geology setting, and its mineral deposits and fossil fuel reserves. Prepare by: Pars Geological Research Center (Arian Zamin) August 2012. Position, boundaries and area of Iran.

619 views • 28 slides

Marine Biology

510 views • 24 slides

Figure 2.1

Figure 2.1 .

382 views • 24 slides

Evolution of Australian Biota Topic 2: Evidence for the Existence of Gondwana

Evolution of Australian Biota Topic 2: Evidence for the Existence of Gondwana. Part of the Evolution of Australian Biota Module Biology in Focus, Preliminary Course Glenda Childrawi and Stephanie Hollis. Matching Continental Margins.

427 views • 23 slides

Antarctica

Antarctica. What are we going to do?. Where is it? What is it? Why it is like that? What goes on there? How did that come about? What are the pressures on it? What about Antarctica and Global warming? What about visiting the place? Would you like to go?

418 views • 21 slides

http://vishnu.glg.nau.edu/rcb/globaltext.html

274 views • 14 slides

Friday November 9, 2012

407 views • 11 slides

Lecture 32

Earth History. Geologic Epochs Human History. Lecture 32. Chapter 15.13 ? 15.18. Precambrian Time. The Earth was formed about 4.5 billion years ago. Already 4 billion years old rocks show a sedimentary component, which implies the presence of erosion.

274 views • 8 slides

Restless Continents

237 views • 6 slides

Name ________________ Chapter 4 Review Sheet

103 views • 2 slides