Quaterra Resources Inc. (Quaterra) is an exploration-stage company. The Company is engaged in the acquisition and exploration of precious and base metal mineral properties in the United States and Mexico. The Company’s Nieves Project is located in the Francisco R. Murguia Municipality of the Zacatecas Mining District near the southeastern boundary of the Sierra Madre Occidental Physiographic Province in central Mexico. The property consists of 18 concessions covering approximately 12,064.1 hectares. The MacArthur Copper Project is located near Lyon County, Nevada. The property consists of 897 unpatented lode claims totaling approximately 18,533 acres on lands administered by the United States Bureau of Land Management (BLM).