Unfamiliar recovery screen, will not boot, no options

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http://forum.xda-developers.com – I have a Galaxy Nexus GSM (i-9250). I recently updated my stock ROM to 4.0.4 and then backed up using CWM Recovery. When I attempted to flash back to another ROM using CWM Recovery, the phone experienced some kind of error, so I elected to reboot. When I became trapped in a boot loop, I removed my battery, put it back in, and then attempted to boot into recovery. I did this the usual way (pressing and holding the power/unlock key and the volume down key simultaneously), but the screen that appeared is completely unfamiliar to me. The top left corner reads "ODIN mode" which I act (HowTos)