Cremation Is A Casket Burned If You Believe In The " Hellfire" Doctrine- How Would That Apply To Persons Who Have Been Cremated?

If you believe in the " Hellfire" doctrine- how would that apply to persons who have been Cremated? - cremation is a casket burned

What is there to burn?
What happens during the combustion process?

The coffin or the container in the combustion chamber where the temperature brought to 1600 degrees to 1800 degrees Celsius. After about 2 to 2 1 / 2 hours to consume all organic material by heat or evaporation. The residue remains are bone fragments, as if burnt remains unknown.

When we speak of "soul" and then Adam a living soul (Genesis 2:7 was) God blow into his nostrils the breath of life.
There is a verse in the Bible says that God has implanted a soul of a man ..
What?