FEY writes:
I think he is saying the formation of chalk and charcoal depend on the timing of some water process.
Yes, it would appear so.
That seems a reasonable interpretation.
But the lack of detail and the poor translation leaves us guessing what he is actually trying to say.
MS writes:
You are a bit wrong. Coal contains no wood. It consists entirely of the remains of marine animals. Charcoal not exist. In any case, should not exist for many reasons.
And the second level of translating leads to a confusing game of Chinese whispers.
Morningstar's response is appears to be unconnected to your reply.
Panda writes:
I doubt this will get better.
I stand by my prediction.
"There is no great invention, from fire to flying, which has not been hailed as an insult to some god." J. B. S. Haldane