Only light elements means that `there is local plasma creation (out of the Higgs field) by a set of at least two electric dark matter black holes. as Quantum FFF predict.
see:
https://www.sciencedaily.com/releases/2016/05/160512142915.htm
also:
https://www.flickr.com/photos/93308747@N05/albums/72157652141594655
and also: Dwarf galaxy formation between GABHs ( Galaxy Anchor Black Holes)
Plasma created out of the Higgs field vacuum around new paradigm black holes by pair production with chiral preference for positron proton conversion. see poster:
The Big Bang did was a black hole splitting process. It did not create much plasma!!