Three major glacial episodes (Ice-houses)
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Three major glacial episodes (Ice-houses)
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Three major glacial episodes (Ice-houses). Polar Position Hypothesis : Glaciations occur when continents are located near the poles. However :. Spreading Rate Hypothesis (BLAG). BLAG Carbon Cycle. On Land : CaSiO 3 + CO 2 -> CaCO 3 + SiO 2 - PowerPoint PPT Presentation
Transcript of Three major glacial episodes (Ice-houses)
Three major glacial episodes(Ice-houses)
Polar Position Hypothesis: Glaciations occur when continents arelocated near the poles.
However:
Spreading Rate Hypothesis (BLAG)
BLAG Carbon Cycle
•On Land: CaSiO3 + CO2 -> CaCO3 + SiO2
•Subduction: CaCO3 + SiO2 -> CaSiO3 + CO2
