Developing Mexican Silver-Zinc Production



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Toronto, November 26, 2009, Xtierra Inc. (TSXV - XAG) ("Xtierra" or the "Company"), is pleased to announce that it has issued invitations for bids from contractors for an initial 2,000 metre surface and underground drill program on its El Dorado gold project located in the historic Pinos gold district of the Central Mexican Mineral Belt, southeastern Zacatecas State. Drilling is scheduled to commence early in January 2010. The El Dorado vein and surrounding stockworks do not appear to have been previously tested by drilling.

The El Dorado Property
Gold mineralization at El Dorado occurs as veins and in quartz stockworks related to late-stage extensional faulting developed within an intrusive quartz-eye rhyolite. The main vein trends north-northwest and dips steeply to the west. It comprises one main and several parallel veins of quartz-hematite.

Xtierra has discovered an extensive gold-bearing stockwork encompassing the El Dorado vein and several other parallel vein structures during preliminary due diligence on the property. Soil and rock geochemistry have demonstrated that the stockwork is open-ended to the north-east and trends directly into a second, newly identified stockwork body, located over 300 metres away from the El Dorado vein, which has returned anomalous gold values in the range 0.1 to 80g/t gold. The stockwork is associated with a linear gold soil anomaly over 1km in strike length.

Xtierra has confirmed the high grade nature of the El Dorado vein with channel sampling returning values ranging from 0.5 to 57.0 g/t gold over widths of 0.10 to 1.0 metre with individual grab samples as high as 1,760 g/t gold and 3,590 g/t silver (previously reported 11 Sep., 2009). Such grades indicate the potential in the El Dorado vein system for bonanza deposition zone development within an epithermal boiling zone.

Prospecting, trenching and soil geochemical sampling indicate the presence of at least five additional parallel veins underlain by altered and brecciated, porphyritic rhyolite with well-developed quartz-hematite stockwork veining which have consistently returned anomalous gold values in the range 0.1 to 80g/t gold within the area of the stockwork.

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