Excellent Drilling Results Continue at Woodlawn - Kate Lens Extension: 20.5m @ 20.7% ZnEq
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Sydney, Australia (FSCwire) - Heron Resources Ltd. (“Heron” or the “Company”) is pleased to report further excellent results from the second phase of diamond drilling at its wholly owned Woodlawn Project, located 50km northeast of Canberra and 250km southwest of Sydney, in New South Wales, Australia. This drilling forms a key input into the fully funded Feasibility Study, which is expected to be completed in the first half of calendar year 2016.
Phase II Drilling Progress Report
The Phase II drilling program at Woodlawn commenced in May and to date 16 holes having been completed for approximately 5,950m. The initial part of the Phase II program has been designed to test the shallow mineralised positions that have the potential to provide easily accessible production in the early part of the future underground operation, as well as to perform the in-fill drilling required to upgrade the underground Mineral Resource.
As previously reported, a number of zones of polymetallic sulphides have been intersected in extensional areas of the Kate Lens and other lens positions. Assay results have now been received for some of these intercepts with a number of high grade results returned. Details of drill hole coordinates, direction and intercepts are provided at the end of this report.
Kate Lens Northern Extension:
- 20.5m @ 8.1% Zn, 2.4% Cu, 2.9% Pb, 0.8g/t Au, 68g/t Ag (20.7% ZnEq ) from 383m, WNDD0031
This intercept is located some 41m north and down-plunge from the 14.4m wide ore grade intercept in WNDD0001 and some 56m below the 5.8m wide ore grade intercept in WNDD0011 (see Figure 1). It therefore provides a considerable extension to the Kate Lens in the northerly direction. Drillhole WNDD0034 drilled a further 35m down-plunge to the north intersected weak pyrite and chalcopyrite stringers in the position of the lens and has most likely closed off the lens in that direction. The down hole electromagnetic (DHEM) survey for WNDD0034 is indicating a potential extension to the lens up-dip from WNDD0031 and further drilling is planned for this area.
The massive sulphide core for this zone in shown in Figure 2.
Kate Lens Down Dip Extension
- 12m @ 4.7% Zn, 2.2% Cu, 0.8% Pb, 0.8g/t Au, 22g/t Ag (13.7% ZnEq) from 405.2m, WNDD0032
This Kate Lens intercept is located some 30m below the original Kate Lens discovery hole WLTD015 (Figure 1) and while previously interpreted to be close to the edge of the lens, it indicates that it is not yet closed off in this down-dip position. The thickness and grades recorded are well above the width and grade parameters determined in the Preliminary Economic Assessment for inclusion into a mine plan.
Kate Lens Massive Sulphide Intercepts
Other recent massive sulphide intercepts on the margins of Kate Lens include:
- 9.85 of massive copper sulphides in two zones from 389.7m, WNDD0035
- 20.5m of polymetallic sulphides in 4 zones up to 11.1m wide from 346.7m, WNDD0037
- 19.4m of mostly copper sulphides from 379.4m, WNDD0038
he copper rich massive sulphide intercept in WNDD0035 occurs in two zones of 5.7m and 4.2m downhole width separated by some 3.7m of volcanic mudstones with about 50% massive and semi-massive pyritic sulphides. The DHEM modelling in this area suggests there is good potential for the mineralisation to continue in the down-dip position and it is yet to be tested.
WNDD0037 targeted the northern up-dip position of Kate Lens and intersected some 4 zones of massive sulphides, with two of these being the typical higher-grade polymetallic massive sulphides occurring over 11.1m (from 358.5m depth) and over 5.1m (from 375.0m depth). Two other minor massive sulphide intercepts were also intersected as part of this mineralised zone.
WNDD0038 targeted the southern part of the Kate Lens and intersected a 19.4m wide zone of mostly massive copper sulphides with pyrite and whilst potentially lower grade, the width of the intercept is viewed as very encouraging.
Assays for these holes are pending.
DHEM Surveys
Modelling of the recent DHEM surveys is continuing and to date has provided an additional shallow target in the G Lens south position that will be tested in the coming weeks. A number of other deeper and larger anomalies are also being modelled up and will provide future drill targets for potentially significant new mineralisation at depth.
The Company is very pleased with the expansion of the Kate Lens position and drilling is continuing on the peripheries to determine the lateral limits of the lens. In addition, the results of the DHEM surveys continue to provide valuable guidance for extensional drill positions and also identifying new drill targets that could lead to significant new massive sulphide lenses.
About Heron Resources Limited:
Heron is engaged in the exploration and development of base and precious metal deposits in Australia. Heron’s primary development project is the high grade Woodlawn Zinc-Copper Project located 250km southwest of Sydney, New South Wales.
For further information, please visit www.heronresources.com.au or contact:
Australia:
Mr Wayne Taylor, Mr Jon Snowball
Managing Director and Chief Executive Officer: FTI Consulting
Tel: +61 8 6500 9200 Tel: +61 477 946 068
Canada:
Email: heron@heronresources.com.au
Tel: +1 905 727 8688 (Toronto)
[i] Zn equivalents (ZnEq) in this release are based on the formula: Zn(%) + 0.81 x Pb(%) + 3.12 x Cu(%) + 0.86 x Au(g/t) + 0.03 x Ag(g/t). All these metals are expected to be recoverable. Refer to the announcement of 22 April 2015 entitled “Preliminary Economic Assessment Delivers Strong Business Case for the Woodlawn Zinc-Copper Project” for further information.
Figure1: Kate Lens Long-Section Detailed showing a selection of recent and significant intercepts.
To view the graphic in its original size, please click here
Figure2: Massive Sulphide Core from WNDD0031. Each length of core is approximately 1m long and shows the interval from 383m (on the left hand side) to approximately 397m downhole.
To view the graphic in its original size, please click here
Technical Information
Table 1: Drill hole details for diamond drill holes completed as part of the Phase II drill campaign.
Notes: WMG = Woodlawn Mine Grid Final depths for WNDD0037-38 yet to be determined.
Hole No. | WMG East (m) | WMG North (m) | WMG RL (m) | Surface | WMG Surface Azimuth | Depth (m) | Target |
WNDD0020W1 | 9,407 | 18,951 | 2,823 | -53 | 77 | 444.7 | South EM target |
WNDD0021 | 9,013 | 19,599 | 2,787 | -85 | 130 | 319.1 | Lisa Lens down dip |
WNDD0022 | 9,013 | 19,599 | 2,787 | -78 | 100 | 276.0 | Lisa Lens north |
WNDD0023 | 9,237 | 19,227 | 2,798 | -65 | 60 | 240.0 | E Lens extension |
WNDD0024 | 9,285 | 19,327 | 2,799 | -60 | 90 | 82.5 | G Lens extensions |
WNDD0025 | 9,299 | 19,261 | 2,801 | -60 | 89 | 218.4 | E Lens extensions |
WNDD0026 | 9,145 | 19,407 | 2,792 | -56 | 85 | 150.0 | H Lens up-dip |
WNDD0027 | 9,204 | 19,364 | 2,795 | -81 | 85 | 44.9 | H Lens up-dip |
WNDD0028 | 9,225 | 19,197 | 2,796 | -58 | 83 | 265.5 | G Lens extension |
WNDD0029 | 9,052 | 19,298 | 2,791 | -55 | 62 | 373.7 | Kate Lens up-dip |
WNDD0030 | 8,882 | 19,379 | 2,793 | -80 | 62 | 699.6 | Kate Lens down plunge |
WNDD0031 | 8,990 | 19,399 | 2,792 | -70 | 71 | 442.6 | Kate Lens extension north |
WNDD0032 | 9,023 | 19,338 | 2,790 | -70 | 78 | 447.5 | Kate Lens down dip |
WNDD0033 | 9,053 | 19,297 | 2790 | -58 | 53 | 260.5 | Kate Lens up dip |
WNDD0034 | 8,990 | 19,399 | 2792 | -74 | 62 | 167.1 | Kate Lens north |
WNDD0035 | 9,053 | 19,297 | 2790 | -69 | 71 | 447.0 | Kate Lens down-dip |
WNDD0036 | 9,012 | 19,598 | 2787 | -80 | 118 | 290.0 | Lisa Lens |
WNDD0037 | 9,024 | 19,332 | 2790 | -62 | 58 | 420.0 | Kate Lens up dip |
WNDD0038 | 9,053 | 19,296 | 2790 | -64 | 76 | 460.0 | Kate Lens South |
Table 2: Details of massive sulphide intercepts and reported grades from the Phase II drill campaign
Hole No | From (m) | To (m) | Downhole Width (m) | Estimated True Width (m) | Zn (%) | Cu (%) | Pb (% | Au (g/t) | Ag (g/t) |
WNDD0023* | 166.8 | 170.0 | 3.2 | 2.6 | 0.1 | 1.7 | 0.0 | 0.1 | 5.9 |
WNDD0024* | 30.0 | 33.0 | 3.0 | 2.4 | 8.5 | 3.5 | 5.2 | 6.3 | 160.6 |
WNDD0025* | 151.3 | 153.8 | 2.5 | 2.0 | 1.9 | 1.2 | 0.2 | 3.4 | 16.5 |
WNDD0026* | 108.7 | 110.4 | 1.7 | 1.0 | 3.5 | 6.8 | 4.9 | 3.9 | 213 |
WNDD0027* | 103.8 | 104.6 | 0.75 | 0.6 | 5.6 | 8.1 | 6.8 | 3.6 | 398 |
WNDD0029* | 324.3 | 329.1 | 4.8 | 4.0 | 7.6 | 0.4 | 0.9 | 0.7 | 37.4 |
WNDD0029* | 340.0 | 347.15 | 7.1 | 6.0 | 16.9 | 0.9 | 11.3 | 3.5 | 254.1 |
WNDD0031 | 383.2 | 403.7 | 20.5 | 16.4 | 8.1 | 2.4 | 2.9 | 0.8 | 68 |
WNDD0032 | 405.2 | 417.3 | 12.1 | 9.7 | 4.7 | 2.2 | 0.8 | 0.8 | 22.2 |
Notes: True width is an estimate of the actual thickness of the intercept based on interpreted lens orientation (approximately 80% of downhole width); grades are weighted average grades, weighted by length of samples intervals downhole, which are nominally 1 metre. No weighting was applied for differences in specific gravity which is most cases are relatively low. * Previously reported results.
Compliance Statement (JORC 2012 and NI43-101)
The technical information in this news release relating to the exploration results at the Woodlawn Project is based on information compiled by Mr David von Perger, who is a Member of the Australian Institute of Mining and Metallurgy (Chartered Professional – Geology). Mr von Perger is a full time employee of Heron Resources Ltd. and has sufficient experience, which is relevant to the style of mineralization and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2012 edition of the “Australasian Code for Reporting of Exploration Results and “qualified person” as this term is defined in Canadian National Instrument 43-101 (“NI 43-101”). Mr von Perger has reviewed this press release and consents to the inclusion in this news release of the information in the form and context in which it appears.
CAUTIONARY NOTE REGARDING FORWARD-LOOKING INFORMATION
This news release contains forward-looking statements and forward-looking information within the meaning of applicable Canadian securities laws, which are based on expectations, estimates and projections as of the date of this news release. This forward-looking information includes, or may be based upon, without limitation, estimates, forecasts and statements as to management’s expectations with respect to, among other things, the timing and amount of funding required to execute the Company’s exploration, development and business plans, capital and exploration expenditures, the effect on the Company of any changes to existing legislation or policy, government regulation of mining operations, the length of time required to obtain permits, certifications and approvals, the success of exploration, development and mining activities, the geology of the Company’s properties, environmental risks, the availability of labour, the focus of the Company in the future, demand and market outlook for precious metals and the prices thereof, progress in development of mineral properties, the Company’s ability to raise funding privately or on a public market in the future, the Company’s future growth, results of operations, performance, and business prospects and opportunities. Wherever possible, words such as “anticipate”, “believe”, “expect”, “intend”, “may” and similar expressions have been used to identify such forward-looking information. Forward-looking information is based on the opinions and estimates of management at the date the information is given, and on information available to management at such time. Forward-looking information involves significant risks, uncertainties, assumptions and other factors that could cause actual results, performance or achievements to differ materially from the results discussed or implied in the forward-looking information. These factors, including, but not limited to, fluctuations in currency markets, fluctuations in commodity prices, the ability of the Company to access sufficient capital on favourable terms or at all, changes in national and local government legislation, taxation, controls, regulations, political or economic developments in Canada, Australia or other countries in which the Company does business or may carry on business in the future, operational or technical difficulties in connection with exploration or development activities, employee relations, the speculative nature of mineral exploration and development, obtaining necessary licenses and permits, diminishing quantities and grades of mineral reserves, contests over title to properties, especially title to undeveloped properties, the inherent risks involved in the exploration and development of mineral properties, the uncertainties involved in interpreting drill results and other geological data, environmental hazards, industrial accidents, unusual or unexpected formations, pressures, cave-ins and flooding, limitations of insurance coverage and the possibility of project cost overruns or unanticipated costs and expenses, and should be considered carefully. Many of these uncertainties and contingencies can affect the Company’s actual results and could cause actual results to differ materially from those expressed or implied in any forward-looking statements made by, or on behalf of, the Company. Prospective investors should not place undue reliance on any forward-looking information. Although the forward-looking information contained in this news release is based upon what management believes, or believed at the time, to be reasonable assumptions, the Company cannot assure prospective purchasers that actual results will be consistent with such forward-looking information, as there may be other factors that cause results not to be as anticipated, estimated or intended, and neither the Company nor any other person assumes responsibility for the accuracy and completeness of any such forward-looking information. The Company does not undertake, and assumes no obligation, to update or revise any such forward-looking statements or forward-looking information contained herein to reflect new events or circumstances, except as may be required by law.
No stock exchange, regulation services provider, securities commission or other regulatory authority has approved or disapproved the information contained in this news release.
Appendix 1 – JORC 2012 Table 1
Section 1 Sampling Techniques and Data(Criteria in this section applies to all succeeding sections)
Criteria | JORC Code explanation | Commentary |
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Sampling techniques |
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Drilling techniques |
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Drill sample recovery |
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Logging |
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Sub-sampling techniques and sample preparation |
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Quality of assay data and laboratory tests |
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Verification of sampling and assaying |
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Location of data points |
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Data spacing and distribution |
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Orientation of data in relation to geological structure |
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Sample security |
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Audits or reviews |
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Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
Criteria | JORC Code explanation | Commentary |
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Mineral tenement and land tenure status |
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Exploration done by other parties |
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Geology |
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Drill hole Information |
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Data aggregation methods |
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Relationship between mineralization widths and intercept lengths |
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Diagrams |
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Balanced reporting |
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Other substantive exploration data |
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Further work |
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To view this press release as a PDF file, click onto the following link:
public://news_release_pdf/HeronJuly192015.pdf
Source: Heron Resources Ltd. (TSX:HER, ASX:HRR) http://www.triausmin.com/
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