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  All data posted was accurate at the time of the posting, but may be superseded by subsequent disclosure. Date Updated: Dec. 15, 2009   | |  43-101 Summary Report on Yava Property (PDF, 3.20 mb) The Yava property is located approximately 450 km northeast of Yellowknife in Nunavut between the Hackett and Back Rivers on map Street NTS 76-G-12 at approximately 65° 36'N and 107°56'W.  The Yava Property is in the Mackenzie Mining District, Territory of Nunavut, approximately four hundred and fifty kilometers northeast of Yellowknife, which is the main supply centre. It is between the Hackett and Back Rivers. Access is by air from Yellowknife. The following information is condensed and extracted from a technical report prepared by Dr. Robert W. Hodder dated March 19, 2007, prepared under NI 43-101 guidelines. Dr. Hodder is a Professional Geoscientist registered in the Province of Ontario and a qualified person under National Instrument 43-101. The report is entitled "The Yava Property of Pacifica Resources Ltd.; Hackett-Back River Greenstone Belt, Mackenzie Mining District, Territory of Nunavut, Canada" (the "Yava Report"). This technical report may be viewed on SEDAR at www.sedar.com under the Company's profile. Property Description The Yava Property consists of one mining lease of 1304.25 hectares and 16 unpatented mineral claims that in the aggregate cover 4,449.33 hectares. The annual lease payment is $3,163.00. This lease is in good standing until January 20, 2026 subject to payment of the annual lease payments. The lease is subject to a 10% NPI royalty, which can be purchased at anytime for $1.5 million.  Geology The Yava Property is within the Archean Hackett-Back River greenstone belt. This is a belt of steeply dipping volcanic flows and fragmental rocks of mafic, intermediate, and felsic composition. The belt is 200 km long and up to 8 km wide. The Yava Property envelopes four known base and precious metal occurrences mid-way along the length of this greenstone belt. The north end of the Hackett-Back River greenstone belt hosts the Hackett River base and precious metal occurrences currently being explored by Sabina Resources Ltd. The south end of the belt hosts the Musk base and precious metal occurrence held by Noranda Inc. Known metal occurrences at the Yava Property, the Hackett River occurrence and the Musk occurrence are at or near the interface between uppermost felsic volcanic rocks of the greenstone belt, and overlying sedimentary rocks. The Yava mining lease includes 9 km of northwest-trending strike-length along the aforementioned volcanic-sedimentary rock interface. Three of the mineral claims are contiguous with the mining lease and cover this strike-length for 2.5 km to the southeast. Five of the mineral claims cover, although not continuously, a 25 km northwest extension of this strike-length. The other eight mineral claims cover volcanic rocks in the footwall of the volcanic-sedimentary rock interface.  Exploration and Mineralization Airborne and ground geophysical surveys, geological mapping, and sampling were carried out over the area of the Yava mining lease and claims in 1974 and 1975 by Brascan Resources Ltd. Several geophysical and geological anomalies were found within and beyond the boundaries of the current mining lease. Follow-up was mostly limited to banded and massive sulphide minerals within chert of what was designated as the Yava Main Zone within the mining lease. Ten short holes were drilled along 500 m of the strike length of the Yava Main Zone and into its widest, 10 to 100 m, expression in outcrop and in 1976, Brascan Resources Ltd. estimated that the Yava Main Zone contained 1.3 million tons of 1.03% Cu, 1.60% Pb, 4.96% Zn, 3.42 oz/t Ag, and 0.008 oz/t Au to a depth of 300 feet (Salaken, March 15, 1976). This estimate predates N I 43-101 and constitute a historical estimate under that policy. However, based of the definitions of Mineral Resources and Mineral Reserves used in NI 43-101, Brascan's 1976 estimate is comparable to an Inferred Mineral Resource that is inferred from geological evidence, but not confirmed because data from outcrops, trenches, pits, and widely-spaced shallow drill holes, are limited. Dr. Hodder was not able to identify assumptions and parameters used in the Brascan resource estimation and neither Dr. Hodder nor the Company are treating this historical estimate as current Mineral Resources under NI 43-101. Historical estimates should not be relied upon. In 2004 geologic mapping, geophysical surveying and claim staking was carried out on the Yava Property. The geologic mapping was essentially within the Yava mining lease. Geophysical surveys covered approximately 1200 hectares of the property. The geophysical survey identified one well defined conductor that was interpreted as having significant width (up to 20m) with an estimated depth to the top of the conductor of 20m. The geophysicist recommended further exploration of this conductor using a deep penetrating electro magnetic survey. 2007 Work Program Results In 2007, the Yava Property was tested by a helicopter-borne electromagnetic survey and subsequent ground follow. The work program confirmed the potential for precious metal-bearing polymetallic massive sulphide mineralization on the Yava Property located in Nunavut, Canada, following the initial appraisal of results from the Fugro high resolution time-domain HeliGEOTEM(r) electromagnetic and magnetic survey and preliminary ground follow up work. The 850 line-km Fugro survey flown at 100m line spacing, was notably successful in meeting its objectives of accurately locating and verifying the previously identified conductors detected by the frequency domain 1975 Kenting airborne survey as well as identifying new anomalies with characteristics suggestive of more deeply buried conductive bodies below the search depth of the earlier airborne survey. Commencing with an initial selection group of 30 conductors ranging in indicated strike lengths from 200m to 650m, a field investigation was undertaken in mid September 2007 by way of site-specific rock and soil sampling and geologic mapping. This field data combined with a more detailed examination of the electromagnetic and magnetic airborne data, enabled further refinement to thirteen (13) priority, discrete geophysical conductors warranting further ground investigation in the progressive preparation of an anticipated diamond drill program to test for large massive sulphide deposits. Priority targets are recognized on all four individual claim groups comprising the Yava Property. The largest concentration of targets occurs on the Main Zone Claim Group where six (6) conductors are located within a radius of 3 to 5 km from the Yava VMS mineralized body. Of the latter, four (4) were previously undetected by the 1975 Kenting airborne survey. Based on bedrock exposure, over 50% of the selected targets are associated with sulphide bearing felsic exhalative units or in the immediate vicinity of dominantly quartz phyric felsic volcanic tuffs or fragmental within a predominantly mafic volcanic package. Approximately 15 to 20% of rock and soil samples collected returned geochemically anomalous values in silver (> 3gpt Ag), copper (> 100 ppm Cu) and zinc (> 150 ppm Zn). Noteworthy was a single grab sample from a poorly exposed sulphide stringer zone in chloritized mafic volcanics containing visible fine grained sphalerite and galena mineralization which assayed 3.45% Pb, 1.47% Zn, 1.17 gpt Au and 4,960 gpt Ag. Re-assay of the reject fraction of this rock sample at ALS Chemex Laboratories, confirmed the unusually high silver content (re-assay: 4,930 gpt Ag) associated with the lead and zinc mineralization. A detailed petrographic study of several polished sections of the coarse and fine fraction of the crushed rock subsequently completed by Vancouver Petrographics Ltd, confirmed the presence of the well crystallized and relatively abundant accessory mineral pyrargyrite, a silver/arsenic sulfosalt. The GEOTEM conductor associated with this well mineralized sample can be traced for 500m along strike, is interpreted to be relatively deep sourced and was not previously detected by the 1975 Kenting airborne survey. This conductor is considered by Savant to be a high priority target. |
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