The first root race, the Polar Race, was a semi-physical race, which may account for their coloring:
The Aztecs state that the human beings of the first Root Race were extraordinary, dark-colored giants. This was a very civilized, androgynous, asexual, semi-physical, semi-ethereal Root Race.
- What are the Root Races and subraces?
Regarding black African initiates, read the following:
Olmec