Interesting about the fusion crust.
I think I know the image you’re talking about. I can’t seem to find it though.
Much depends on the location of the said authors. If they lived near the deserts like in Arabia or Egypt they were truly everywhere.
"What I didn’t know, until recently, was the chemical nature of the “body” called Sulphur of the metals."
What
Mercury
Illen A. Cluf 4 Hours Ago