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Glen Feshie (1.1 kyr): crystallization of clays • Reaction products have crystallised K-aluminosilicates (illite)
Conclusions • Shap weathers by stoichiometric dissolution – Centred on reactive sites controlled by composition and/or strain – Leached layers must be < ~2 nm • Glen Feshie weathering products grow passively on grains from bulk waters – Some amorphous – Crystallises to form clays
Page 1 and 2: Nanoscale characterization of the
Page 3 and 4: Models for feldspar weathering
Page 5 and 6: Models are difficult to test: • R
Page 7 and 8: Materials • Naturally weathered a
Page 9 and 10: Beam Damage • Sample can be damag
Page 11 and 12: • Can Au coating (by sputtering)
Page 13 and 14: Shap alkali feldspars: microtopogra
Page 15 and 16: Shap alkali feldspars: etch pit net
Page 17 and 18: Shap alkali feldspars: microstructu
Page 19 and 20: Glen Feshie feldspars: weathering p
Page 21: Glen Feshie (1.1 kyr): reconstructi
Page 25: TEM layers: a cautionary tale • P

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