Focus Drills Phosphate Over 6.4 km2 at Bayovar 12, Peru; Resource Calculation Underway
July 28, 2014 (Source: Marketwired) — Focus Ventures Ltd. (TSX VENTURE:FCV) is pleased to announce it has received assay results from the remaining four holes drilled during the first phase drill program at the Bayovar 12 phosphate project near Piura, northern Peru. Holes JPQ-14-18 and JPQ-14-17 were drilled furthest west on Sections 2 and 3 respectively (refer to drill hole plan below). Holes JPQ-14-19 and JPQ-14-20 were infill holes drilled off section in the eastern part of the drill grid. All holes intersected horizontal phosphate beds with grades and thicknesses in line with previous holes (see press releases dated May 20, 2014, June 16, 2014, and June 24, 2014). Drilling continues to demonstrate a remarkable consistency in phosphate grades within individual beds over long distances, with phosphate intersected in all holes drilled to date.
These results will be included in the upcoming maiden resource calculation currently being undertaken by Golder Associates. Permitting for a second phase drill hole program is underway for both infill drilling and expansion of the potential resource area.
Summary of Drilling
Three 4km sections have now been grid drilled at 800m spacings over an area of approximately 640 hectares in the western part of the 12,500 hectare property. All holes were drilled vertically to between 80m – 110m depth targeting phosphate beds hosted within a sequence of diatomites and sandstones. The horizontal nature of the beds and lack of faulting has allowed for easy correlation of individual beds hole to hole and the construction of coherent geological cross sections.
- Average grade of the upper 5 main phosphate beds over all 3 sections is 15.9% P2O5 over 0.5m, with Bed 3 averaging the highest grade of 20.4% P2O5 over 0.49m.
- Average grade of the lower 6 main phosphate beds over the 3 sections is 13.4% P2O5 over 0.54m.
- Shallowing of the phosphate beds occurs in the eastern part of the grid, less than 26m below surface in some holes. This will be an area of focus for the second phase drilling program.
- Mineralization is open in all directions outside of the drill grid.
A drill collar plan with location of sections is shown below. Geological cross sections, updated results tables and full set of assays are posted on Focus’s website www.focusventuresltd.com.
All holes were drilled vertically to between 80m – 110m depth targeting phosphate beds within the Diana Formation, a sequence of phosphoric diatomites and sandstones approximately 40 meters thick. The phosphate beds comprise up to 40% apatite pellets, ooliths and fossil debris consisting of mainly fish teeth, bones and scales representing the remains of marine organisms that accumulated on the sea floor.
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Flat-lying deposits such as sedimentary phosphates and other bulk commodities such as bauxite and gypsum may be amenable to precision mechanized strip mining using continuous surface miners, which can efficiently mine beds down to as little as 10cm in thickness.
Table Showing Average Grades and Thicknesses of the Main Beds calculated across Drill holes Sections 1, 2 & 3
JPQ 14-15, 06, 01, 03, 08, 13
JPQ 14-18, 14, 12, 04, 10, 11
JPQ 14-17, 07, 05, 02, 09, 16
|Bed||Av.Width (m)||% P2O5||Av.Width (m)||% P2O5||Av.Width (m)||% P2O5||Av.Width (m)||% P2O5|
To view the Drill Hole Plan and Location of Sections image, please visit the following link: http://media3.marketwire.com/docs/959469_fig.pdf
Sampling Quality Analysis and Quality Control
Logging and sampling are undertaken at site in Bayovar under a QA/QC protocol developed by Focus in conjunction with Golder Associates. Due to the friable nature of the diatomite, the core cannot be split by diamond saw or mechanical splitter, and has to be split by hand. Once logged and sampled, the core is bagged and transported in sealed plastic drums by Focus personnel to Certimin laboratories in Lima for analysis. Phosphorous (P205) is determined by gravimetric methods. Major oxides are determined by ICPOES and silica by gravimetric analysis. Certimin is an affiliated ISO 9001 laboratory and uses standards for phosphate and silica from the Association of Fertilizer and Phosphate Chemists. Analytical accuracy and precision are monitored by the analysis of reagent blanks, reference material and replicate samples. Quality control is further assured by Focus’s QA/QC program which involves the insertion by Focus personnel of blind certified standards, blanks and core duplicates into the sample stream at regular intervals in order to independently assess analytical precision and accuracy of each batch of samples as they are received from the laboratory.
The Bayovar 12 concession shows potential to host a large sedimentary phosphate deposit. The Bayovar district is situated in the Sechura Desert, a north-trending basin approximately 22,000 square kilometres in area comprising Miocene-aged sedimentary rocks. Phosphate was discovered in the 1950s during drilling for petroleum. It occurs as beds of pelletal phosphate within the Zapallal formation, a thick sequence of diatomites and sandstones. The phosphate layers are remarkably regular in P2O5 content over long distances, a typical characteristic of marine phosphate deposits. At Vale’s Bayovar mine, the soft and friable nature of the phosphate rock and diatomite permits mining by conventional truck and shovel without the use of explosives.
On January 14, 2014, the Company’s Peruvian subsidiary, Agrifos Peru SAC, signed a formal option agreement for the acquisition of shares in Juan Paulo Quay SAC, the titleholder of the Bayovar 12 non-metallic mining concession. Agrifos can earn a 70 per cent interest of the issued share capital of JPQ by investing in exploration and making a series of cash payments up to the completion of a positive prefeasibility study, after which Agrifos will have the first right of refusal to purchase the remaining 30 per cent of JPQ.
The scientific and technical information in this release were prepared under the supervision of David Cass, Focus’s President, who is a member of the Association of Professional Engineers and Geoscientists of British Columbia, and a Qualified Person in accordance with National Instrument 43-101.
Phosphate rock is a raw material for fertilizers and vital to world food production. Focus is acquiring and developing quality phosphate projects in Latin America where the discovery and development of new deposits is becoming increasingly important given the growing demand and limited local supply of phosphate for fertilizer production. For further information, please call 604-630-5544 or visit our web site www.focusventuresltd.com.
ON BEHALF OF THE BOARD
Ralph Rushton, Director & Vice-President, Corporate Development
Neither the TSX Venture Exchange nor the Investment Industry Regulatory Organization of Canada accepts responsibility for the adequacy or accuracy of this release.
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