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1. List the oxides
Geochemistry
Topic: Chemical weathering
Eric Thern
March 28, 2002
1. List the oxides and amount lost.
2. Which components increased and by how much?
3. How much weight was lost by 100g of the gneiss during weathering to a saprolite?
4. What does the nearly complete loss of K
O indicate in terms of the extent of weathering of the primary minerals?
5. Predict the mineralogical composition of the saprolite (use information from Chapter 19 to help).
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Eric Thern
2002-03-28
O indicate in terms of the extent of weathering of the primary minerals?