With the Rams leading by five, 55-50 with just over 10 minutes to play, Gorton stole a pass and hit a jumper, came back a half a minute later to hit a layin, and played relentless defense to help the Rams beat the Fighting Irish.
The senior from Eufala, Okla., was one of four Rams' starters to score in double figures.
After the game, Rams' coach Tom Collen was excited about his team's win, which came before the sixth largest crowed in women's basketball history at Colorado State.
"I thought Angie Gorton played relaxed, she played confidently.
We've been point to this probably a lot longer than Notre Dame. For them, it was probably the last thing on their mind. Our kids pointed to this. They were confident the could get the job done.
"It was certainly not a pretty game, but we got the job done," said Collen.
Besides Gorton, guard Elizabeth English added 13 points, center Lisa Narkiewicz added 12 points, and forward Ashley Augspurger had 10 points. Gorton and Narkiewicz tied for team honors with seven rebounds each.
Notre Dame was led by gaurd Alicia Ratay's 16 points. Ratay, a junior, is the lone returning starter from last year's championship team.
The Rams will enjoy the win for two days. Colorado State is back in action Friday night playing host to the Coors Rocky Mountain Invitational Tournament. Evansville and Toledo play at 5 p.m. in the first game of the tournament followed by the Rams and West Virginia at 7 p.m. The losers meet Saturday at 5 p.m., followed by the championship game.