Mark:
This process seems to be similar to producing a color key or positives to burn plates for a 4 color printing operation.
The pictures of the "Ark"-looking boat and those in Russia were extremely interesting as , to my eyes anyway, they appear to have a similarity to Kodachrome color, more so than other processes I've seen and certainly better than Ektachrome. (BTW, what is a freakin' boat doing in a cow pasture?) While the three primaries are there, the black overlay is lacking - the fourth color of the separation. Something else for me to play with when I get time.
Perhaps Kodachrome will live forever, albeit in the electronics of a PC.