The company plans to raise up to Cdn$2.2mn (US$1.7mn), compared to Cdn$2.0mn originally, for general corporate and working capital purposes.
Palamina has gold and copper projects in Peru and Mexico.
Tartisan has the Don Pancho zinc-manganese and Ichuna copper-silver projects in Peru and assets in Canada.
The second tranche of the placement is now expected to close by end-February, compared to the first weeks of January, as previously stated.
The company raised Cdn$2.1mn in the first tranche last November.
Total proceeds, of Cdn$3.0mn plus an option to increase the size of the placement by 25%, will be used for exploration at the Las Minas gold-copper project in Mexico.