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Unformatted text preview: Age of the sea floor Crust, mantle, outer core and inner core Of what is the Earth made? Age of the Earth Average age of rocks and oldest rocks on the surface Igneous, sedimentary and metamorphic rocks Deep sea life Subduction, plate boundaries and earthquakes Convection in the mantle Weathering Chapter 8 Recycling of the Elements: The Carbon Cycle Sizes of carbon reservoirs Short term carbon cycle: plants Respiration and photosynthesis Moderate term carbon cycle: the ocean The biological pump Long term geologic regulation of carbon dioxide involving weathering Residence time of carbon in the various loops of the carbon cycle...
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- Spring '07