It may have been someone in house 7(TD) trying to unload their position in a thin market and not impending bad news. Both oil and gold will move inversely to USD strength, courtesy of Europe. On more positive news the IMF has announced they will buy gold! See :

http://www.commodityonline.com/news/imf-to-buy-gold-worth-$23-billion-as-credit-risk-increases-48052-3-48053.html

If my math is right that works out to about 40 tonnes. It's a start.