Re: Volcano lake turns from blue to red

Aidan Karley wrote:
In article <127mdhsq9n5g44@xxxxxxxxxxxxxxxxxx>, Jo Schaper wrote:

I would guess it depends if the water is red, or the whole lake is *glowing* red!


Is water sufficiently thermally stable to *glow* red? In the presence of silicate rocks?

What I had in mind was highly improbable-- the water glowing from the orange light generated by boiling magma beneath it. Yes, I know this would likely cause steam, the water to boil, and so forth, and one couldn't see anything but smoke. But depending on the temperature and depth of the water, I wouldn't say it is entirely impossible at least for a while...before the water explosively vaporizes...just as an observer above a karst window would see a dive light down below.

It's been a holiday weekend in the States...my response was a perhaps feeble attempt at a joke...my apologies.

Jo


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