 | |
| |
Work Performed
In the early 1990's a small group called Trend Resources conducted Landsat interpretations over the project area that defined subtle structural zones in a pediment area along The Trend and a number of northwest and northeast structural intersections were located. This approximately 10 square-mile, structurally permissive area, was then tested by an extensive enzyme leach soil sampling program. The results of this study were interpreted by Dr. J. Robert Clark of Enzyme-ACTLABS, LLC who felt there was a strong likelihood that structurally controlled epithermal systems exist at depth. Further, gravity data of the area suggests that the geochemical anomalies lie at reasonable depths to support exploration drilling for deposits similar to those being discovered by the Cortez JV to the north and northeast.
From 2004-2006, Agnico Eagle (USA) Ltd. completed two field seasons of investigations that included the acquisition of detailed aeromagnetic data and achievement of a ground-based gravity survey over the project area and surrounding ground. This work, combined with past and recent geochemistry and geologic data, prioritized potentially mineralized fault structures associated with the southerly extension of the Cortez fault system. From this information Agnico prioritized four target areas for drill testing.
Agnico permitted eight drill sites over the property and in 2005 drilled one hole in each of the four main targets. The drilling was by reverse circulation and was sampled on 10 foot intervals. The holes ranged from 1800 feet to 2140 feet in depth. Drill holes #1 through #3 were entirely drilled in upper plate, siliceous-assemblage sedimentary rocks. Drill hole #4, the eastern most hole, intersected lower plate, carbonate assemblage stratigraphy.
At the conclusion of their 2005 field season Agnico was optimistic that lower-plate targets could be identified between hole #1 and #4, and, in the hopes of narrowing this down, Agnico conducted 14 line kilometers of magnetotellurics (MT) on two lines within the Trend Project area. Agnico concluded that hole #1 was drilled west of an important north-south trending splay of the Cortez fault system that down drops upper plate rocks on its west side relatively to lower plate rocks to the east. Their work prioritized an area where lower plate rocks likely occurred in proximity to potentially important structures related to The Trend.
During much of 2008, work on the project by Calibre included the re-evaluation of all previous property data, surface soil sampling and diamond drilling. The surface soil sampling program was conducted with the objective of testing coincident pH and geochemical soil anomalies across interpreted splays of the Cortez fault within the Battle Mountain - Eureka mineral belt. The data from this surface work supported the existence of structural zones that can be projected southerly from the Cortez Hills gold deposit that lies on-trend only 10 kilometres to the north. Calibre tested this target type at the northern end of New Dimension's claim block with four diamond drill holes totaling 1,524 metres.
The majority of gold mineralization within the Battle Mountain - Eureka mineral belt is hosted by "lower plate" silty carbonaceous sedimentary rocks. Calibre's drilling encountered varied thicknesses of alluvial cover with three of the four drill holes intersecting bedrock. Hole TR0801 was lost after penetrating 30 metres into bedrock, while holes TR0803 and TR0804 intersected significant intervals of "upper plate" chert and argillite. The drilling did encounter anomalous gold, silver and zinc but not of an appreciable thickness or grade. Moderate to strong silicification with disseminated pyrite was common through long intervals of argillite in each of the drill holes.
|
| |
