6. It required a vast lapse of time for rings to fall. Each ring
continued to revolve as a belt about the earth with a decreasing
velocity as it spread toward the poles and overcanopied the earth.
7. The smoke or unconsumed carbon that arose from the earth, darkened
the upper vapors and formed bands or belts.
8. The moon retarded the rings, causing them to fall upon the earth,
and it then receded from our planet.
9. The Archaean metalliferous deposits are so located as to be
inexplicable by the old theory of aqueous denudation.
10. The Silurian beds, and particularly the order of their occurrence
utterly refutes the idea that they were derived from pre-existing beds.