In June 2006, a contractor flew a helicopter-borne, low-altitude, stinger-mounted single sensor survey over the key areas of interest on the Pearson Project claim group. The grid measured 22 km X 7 km and consisted of north-south lines at 100-metre spacing and east-west tie lines at 500-metre spacing for a total linear survey distance of 1,972 km. The cost was approximately $225,000. Please click here to view our claims on Vancouver Island.
Aerial magnetic surveys are used to measure and plot magnetic anomalies at or beneath the Earth's surface. They provide measurements of the magnetic field strength at the instrument at the moment the measurement is made. The surveys are a useful tool that can provide indications of potential mineralization. They are not definitive, however, and must be combined with the other techniques of mineral exploration to substantiate the nature, extent, depth and concentrations of mineral deposits.
The 2006 survey revealed 19 anomalies, which were matched against other exploration work resulting in six significant anomalies meriting follow-up exploration. Some of these corresponded to previous drilling, while some were newly identified features. According to the aerial magnetic survey report, the results provided "positive enforcement as to the presence of a large iron bearing structure." The results indicated further exploration work was merited. The survey report is appended to the N.I. 43-101 technical report described on the accompanying page.
In August 2008, as part of its current development plan, Pacific Iron Ore initiated a second aerial magnetic survey covering a planned 7,783 line km over the Pearson Project at a planned cost of approximately $1.2 million. The results of this survey are presently under evaluation and will be used to guide the Corporation's 2009 and subsequent Exploration programs around Port Renfrew and the Pearson Project. The airborne survey identified 17 zones of particular significance that have clearly defined geophysical signatures with respect to magnetic highs, magnetite-rich zones and the EM anomalies associated with these zones.