How can I fix a corrupt ssd mbr or gpt

I have a Runcore 64gb mini pci-e SSD with a USB cable. It is not new but used little. I wanted to make it bootable as a usb device but may have hosed it. What I did: (sorry, this is long)
Set up a single guid partition, and sucsessfully made a 63gb partition.
Then I used "erase free space" on the partition.
Here's where I screwed up. I decided to start over and "secure erased" the drive, not the partition I created, but the whole drive. That was a bone head mistake.
Well, after that, I could not change the partition and the root drive shows it's 2tb. disk repair says it's good. Funny thing is, I could still see the partition but not repartition.
I even used Carbon Copy Cloner to put 10.6.7 on the partition. It worked, I could boot to it. But it still won't let me change anything. I kept trying different erase options and continued to say it could't complete the task--until the last time I tried it. Now I can't see the partition. I still see the drive in disk util but can't do anything with it. It shows the same way on a Windows7 machine (2.2 tb).
After a lot of googling, It seems I have a corrupted MBR but the GPT part that Mac uses was ok...or used to be. Sometimes the drive shows "0" capacity, sometime 2.2tb. Last night I had dreams about MBR's GRUBs and GPTs. Today, in terminal, I typed "diskutil list" and got: identifier disk2, size 30.5gb (which is the size of the CCC drive I cloned), and the partition name that I originally made which was 63gb.
All I want to do is clean it off and start over. I don't care about the data. Any Advice? I would like to try something before tossing it. I'm totally willing to try anything since there is no critical data on it.
If you read all of this, thank you!

Can anyone at least point me in the right direction? perhaps I posted in the wrong area.

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