As for 6 literal days, if Moses had meant us to understand something else, he could easily have written it differently.  The Bible states that "He spake and it was done; He commanded and it stood fast."  If "progressive creation" was God's method, He could have said so, rather than inspiring David to declare it to be ex nihilo.

Science has not proven evolution or millions of years, only that most scientists are committed to their religion, because they "must not allow a divine foot in the door."  The faulty methods for dating rocks and fossils are not so easily explained away, although they are to be commended for their persistence in trying.

As I've said before (and many have said this before me), if we can't rely on the Genesis record, we can't rely on the 4 Gospels or any other portion of the Bible.  Paul said that it was all inspired by the Holy Spirit, and He was there at Creation.  If the Creation account is unreliable, then so is the Resurrection.  Both are unscientific.