Precambrian

Scripture includes a description of the deposition of Precambrian sediment in response to the creation of gravity on the 2nd day. That may seem far-fetched, but it's an example of Biblical exposition.

Eccentricity

Eccentricity is due to variation in the orbital radius of the Sun, not variation in the Earth-sun radial distance. The solar orbit is helical, origin of its Greek name "Helios".

October 16th

The inner core is not the same age as the rest of the earth, it is younger. This is consistent with hell beginning at the fall of man in Genesis 3, as described in Deuteronomy 32:22.