Heat release from tectonic friction

I'm looking for some assistance (read as please do the calculations for me and tell me the answer) in determining the heat effects of all of earth's tectonic activity, or as much of it as is known, being crammed into 4000 years. I have a sneaking suspicion that it would have melted the crust.What factors would need to be taken into account and what would be the effects of the other forms of energy released?

The scenario in question is that the earth was relatively flat prior to the flood and that all of the major continental separations and crashing together have all occurred since the flood. All the mountains rose during or after the flood and all of this on a 6000 year old planet.If we cram all the tectonics that we know about into the time between the start of the flood and the birth of Christ, what would be the amount of heat generated and the consequences of this heat.