Thanks for the Upvote!..I wanted to follow up and share this link with you I pulled off the ethtrader subreddit this morning..similiar question to yours and some excellent answers/links from users:

YES..avoid sending any ETC (if you have it) to GDAX/ Coinbase. It is not being credited there at this time..things appear pretty wacky the last few days as the dust settles and exchanges decide to list