Post a bug report in the proper bug forum(The one for the modpack you're using).
You need to press "Submit a bug report" to post in bugs forums.
Also, don't double post. Seriously, you barely waited a minute before posting again. Use the edit button next time.
If you want to make the default ores more common, you can tweak spawn rates and vein sizes in the config, which is pretty awesome. You can also change the spawn heights, if you really hate them.
He wouldn't necessarily have to mention Technic. It would be fun to watch.
You could go and rage because "everyone else lets me donate to stuff I love, why don't you?" Or something
I'm fairly sure that your server shouldn't be using over a Terabyte of RAM at any point... 3/4 of it is still pretty impressive.
On a serious note, do you have Dimensional Anchors or whatever they were called enabled? It's easy to miss one of 3 chunkloaders in the game. Try rebooting and see what you get then.