* TSX up 13.74 points, or 0.09 percent, to 15,598.14
* Six of the TSX's 10 main groups trade higher
TORONTO, April 4 (Reuters) - Canada's main stock index advanced on Tuesday as gains in gold and oil prices helped boost the mining and energy sectors.
Gold prices rose on a weaker dollar and sluggish U.S. economic data. Oil prices climbed due to expectations for a decline in U.S. crude inventories. energy group climbed 0.1 percent. Canadian Natural Resources Ltd CNQ.TO added 0.4 percent to C$43.91, and Encana Corp ECA.TO gained 0.5 percent to C$15.69.
The materials group, which includes precious and base metals miners and fertilizer companies, added 0.5 percent. Barrick Gold Corp ABX.TO rose 0.9 percent to C$26.07, and Goldcorp Inc G.TO added 0.5 percent to C$19.93.
At 10:02AM ET (1402 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 13.74 points, or 0.09 percent, at 15,598.14. Of the index's 10 main groups six were in positive territory.
U.S. crude CLc1 prices were up 0.6 percent to $50.53 a barrel, while Brent crude LCOc1 added 0.8 percent to $53.56. O/R
Gold futures GCc1 rose 0.4 percent to $1,255.5 an ounce. GOL/