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An increase in heat, a decrease in pressure or a combination of both.

My point exactly!

Your sarcastic statement "Good thing there is no heat deep in the earth" implied that I thought there was no heat (or not sufficient heat) in the Earth to cause the ringwoodite to release water.

My point is that there was, indeed, not enough heat - else the water would have already been released.

So EXTRA heat would have to have been supplied or otherwise introduced.

Thus, the ringwoodite could have been already STONE COLD or VERY HOT. But it would have to have been in EQUILIBRIUM in any case. Some agency (e.g., God) then ADDED EXTRA heat, disrupting the equilibrium and causing the ringwoodite to release the water.

Again, my basic point: I don't understand why you folks prefer that explanation ("God miraculously introduced more heat, ex nihilo, thus causing the ringwoodite to release water") more comforting, more plausible, or more logical than a SIMPLER explanation like: "God miraculously introduced more water, ex nihilo."

You unnecessarily introduce an extra step (Occam's Razor).

Regards,

My point is that there was, indeed, not enough heat - else the water would have already been released.

Well the flaw in your logic is the presumption that this condition will remain at it's current point of balance. We know the earth occasionally releases heat in the form of eruptions, so there may come an occasion in which more heat drives that water out of the rocks under pressure.

It would most likely come out in the oceans (3/4ths of the Earth's surface) and rapidly cool back to liquid water.

So EXTRA heat would have to have been supplied or otherwise introduced.

Doesn't have to be heat. It could be a relaxation of pressure.

So let me ask you this. What happens when you have trillions of tons of ice covering much of the surface of the planet, and that ice suddenly ("suddenly" on a geological time scale) melts and relieves all that pressure beneath it?

Would it not have the same effect (Charles' Law) as an increase in heat?

Again, my basic point: I don't understand why you folks prefer that explanation ("God miraculously introduced more heat, ex nihilo, thus causing the ringwoodite to release water") more comforting, more plausible, or more logical than a SIMPLER explanation like: "God miraculously introduced more water, ex nihilo."

Well I can't speak for others, but I enjoy messing with atheists/agnostics. It is just another one of life's little pleasures for me. :)

I am thinking I might enjoy discussing the plagues of Egypt with you.