Turquoise Hill (NYSE:TRQ) results for the company’s Q4 and 2012 have been released. For the quarter, revenue was $41.6 million, down from the $51.0 million in the same period the previous year. Attributable net loss deepened significantly to $182.4 million ($0.18 per diluted share) from Q4 2011's red figure of $85.8 million ($0.04).

For the entirety of 2012, top line was $133.8 million. Turquoise Hill managed to narrow its net loss during the year, with 2012's bottom-line shortfall coming in at $434.6 million ($0.51 per diluted share) against 2011's $570.4 million ($0.76).

Beginning in June of last year, Turquoise Hill was guided by an interim CEO, Ines Scotland. This past January, she was replaced by Bob Vassie, who also serves as the company's managing director.