Here's a question.
Can anyone give some insight into the formation of cortex? I am especially interested in obsidian as it's the material I find most.
My crude understanding is that is forms sort of like oxidation (over time), and if that is the case, can we infer that a knapped object (that has had it's original cortex removed) can be dated by the extent that a cortex has reformed?
Anyone?
Can anyone give some insight into the formation of cortex? I am especially interested in obsidian as it's the material I find most.
My crude understanding is that is forms sort of like oxidation (over time), and if that is the case, can we infer that a knapped object (that has had it's original cortex removed) can be dated by the extent that a cortex has reformed?
Anyone?
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