Heron Resources - Kate Lens Definition Drilling Continues to Impress: 26.6m of Massive Sulphides Intersected
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West Perth, WA (FSCwire) - Heron Resources Ltd. (ASX:HRR TSX:HER, “Heron” or the “Company”) is pleased to provide a summary of recent results of the Phase II resource definition drilling at its wholly owned Woodlawn Project, located 250km south-west of Sydney, New South Wales, Australia.
Phase II Drilling
The Phase II drilling program (comprising approximately 19,000m of diamond drilling) at Woodlawn is now 68% completed, with 13,000 metres having been drilled, reflecting on-time and on-budget progress.
The objective of the Phase II drilling is to delineate sufficient Measured and Indicated Resources which can then be converted into an initial underground Mineral Reserve within the Feasibility Study, allowing the Project to support commercial bank debt and proceed to mine construction. In undertaking this program, the Company has focused on minimising time and costs through targeting relatively shallow depth positions in the numerous lenses with the in-fill drilling required to upgrade a portion of the underground Mineral Resource to an Indicated Resources classification. In addition, shallow mineralised positions that have the potential to provide ready-access production in the early part of the planned underground operations are also being tested.
New assays and massive sulphide intercepts from Kate Lens (refer Figure 1 for locations):
- 5.4m @ 27.7% ZnEq from 351m (15.1% Zn, 1.5% Cu, 6.0% Pb, 1.0g/t Au, 70g/t Ag), WNDD0039
- 21.8m of Copper Sulphides from 377.8m & 4.8m of Polymetallic Sulphides from 406.6m, WNDD0071
- 9.0m of Polymetallic and Copper sulphides from 369.8m, WNDD0073
These results are encouraging and confirm the extent and tenor of the Kate Lens polymetallic mineralisation. In addition, the thick (21.8m) zone of copper mineralisation in WNDD0073 (approx. true width; assays pending) visually suggests it contains economic grades of copper which will contribute to the separate zone of copper mineralisation now being defined within the lower and south end of the Kate Lens. Importantly, this copper mineralisation was not part of the of PEA Mineral Resource estimate and is likely to add to the overall economic viability of the Kate Lens.
G2 Lens – recent assays
- 5.7m @ 12.3% ZnEq from 76m (5.9% Zn, 0.2% Cu, 3.9% Pb, 0.4g/t Au, 73g/t Ag), WNDD0042
- 2.6m @ 7.4% ZnEq from 95m (3.6% Zn, 0.1% Cu, 2.4% Pb, 0.2g/t Au, 50g/t Ag), WNDD0045
The G2 Lens is a newly recognised southern extension to the main G Lens and was identified through downhole electromagnetic (DHEM) surveys. G2 represents a new style of “stringer” sphalerite (Zn) and galena (Pb) mineralisation which has the potential to be of economic interest. The shallow position and proximity of G2 to the proposed box cut, positioned on the western side of the open pit, has made this an area of focus in recent weeks. Similar mineralisation has been observed in subsequent drill holes in this area with assays pending.
H Lens – recent assays
- 1.1m @ 52.0% ZnEq from 117m (24% Zn, 4.3% Cu, 12.9% Pb, 1.5g/t Au, 97g/t Ag), WNDD0044
- 5.3m @ 10.0% ZnEq from 103m (1.4% Zn, 1.6% Cu, 0.9% Pb, 1.3g/t Au, 63g/t Ag), WNDD0050
These recent results are in line with our expectations of H Lens being thin, but often high-grade at shallow depths, and positioned close to the early stage mine development. Additional drilling is planned for this area in the coming weeks.
Forward program
The recent focus of the drilling has been the conversion of the Kate Lens resource to an Indicated Resource category, and it is anticipated that the PEA estimate of Kate Lens will be considerably improved by incorporating the thicker zones of mineralisation found in the current drill program. The mineralisation is open in a number of directions, both along strike and down plunge, and further upside exists. Additional drilling is also planned on a number of the shallow lenses (E, G, G2 and H) in an attempt to bring these to an Indicated Resource category.
The Woodlawn system continues to demonstrate its potential with recent DHEM survey results providing extensional targets to known lenses and highlighting new targets which require further assessment and possibly drill testing.
A program of deeper drill testing of the Kate Deeps DHEM plates is also being considered.
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,
Managing Director and Chief Executive Officer:
Tel: +61 8 6500 9200
Email: heron@heronresources.com.au
Canada:
Tel: +1 905 727 8688 (Toronto)
Mr Jon Snowball
FTI Consulting
Tel: +61 2 8298 6100 or +61 477 946 068
Email: jon.snowball@fticonsulting.com
_________________________________________________
[1] 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.
To view the graphic in its original size, please click here
Figure1: Kate Lens Long-Section looking east with recent intercepts shown. Down-hole intercept thickness and ZnEq grade contoured to show relative accumulation of metals across the lens. Current resource outline is shown for reference.
Technical Information
Table 1: Drill hole details for diamond drill holes completed as part of the Phase II drill campaign.
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 |
WNDD0039 | 9,051 | 19,297 | 2,791 | -56 | 68 | 381.3 120.8 130.0 119.9 196.1 140.1 78.5 | Kate Lens South Infill |
WNDD0040 | 9,161 | 19,457 | 2,789 | -55 | 90 | 120.8 | H Lens north extension |
WNDD0041 | 9,203 | 19,379 | 2,795 | -76 | 50 | 130.0 | H Lens up dip |
WNDD0042 | 9,254 | 19,201 | 2,799 | -62 | 65 | 119.9 | G2 Lens |
WNDD0043 | 9,159 | 19,248 | 2,795 | -60 | 35 | 196.1 | G Lens middle |
WNDD0044 | 9,134 | 19,409 | 2,791 | -65 | 96 | 140.1 | H Lens down dip |
WNDD0045 | 9,235 | 19,232 | 2,798 | -73 | 92 | 78.5 | G2 Lens |
WNDD0046 | 8926 | 19396 | 2793 | -59 | 78 | 451.1 | Kate Lens north |
WNDD0047 | 9182 | 19412 | 2793 | -59 | 90 | 116 | H Lens north |
WNDD0048 | 9145 | 19410 | 2793 | -70 | 78 | 135.6 | H Lens |
WNDD0049 | 9146 | 19410 | 2793 | -55 | 92 | 145.2 | H Lens middle |
WNDD0050 | 9146 | 19410 | 2793 | -61 | 99 | 130.4 | H Lens middle |
WNDD0051 | 9144 | 19410 | 2793 | -67 | 117 | 140.1 | H Lens middle |
WNDD0052 | 9145 | 19410 | 2792 | -56 | 110 | 135.4 | H Lens upper south |
WNDD0053 | 8879 | 19380 | 2793 | -58 | 71 | 501 | Kate Lens north |
WNDD0054 | 9240 | 19140 | 2800 | -65 | 80 | 207.9 | Southern portal target |
WNDD0055 | 9246 | 19278 | 2798 | -69 | 60 | 120 | G Lens |
WNDD0056 | 9248 | 19279 | 2798 | -60 | 65 | 110.2 | G Lens |
WNDD0057 | 9293 | 19308 | 2800 | -60 | 65 | 87.5 | G Lens |
WNDD0058 | 9292 | 19308 | 2800 | -80 | 48 | 87.8 | G Lens |
WNDD0059 | 9299 | 19260 | 2801 | -58 | 54 | 165.7 | E Lens |
WNDD0060 | 8976 | 19589 | 2792 | -61 | 125 | 463.4 | H Lens and Kate Lens |
WNDD0061 | 9299 | 19261 | 2800 | -63 | 79 | 201.9 | E Lens |
WNDD0062 | 9333 | 19242 | 2804 | -65 | 50 | 171.7 | E Lens |
WNDD0063 | 9025 | 19333 | 2790 | -74 | 80 | 211.4 | Kate Lens down dip |
WNDD0064 | 9262 | 19320 | 2798 | -69 | 80 | 90.8 | G Lens |
WNDD0065 | 9262 | 19320 | 2798 | -55 | 65 | 81.4 | G Lens |
WNDD0066 | 9255 | 19202 | 2799 | -72 | 42 | 115 | G2 Lens |
WNDD0067 | 9255 | 19202 | 2799 | -55 | 51 | 103.3 | G2 Lens |
WNDD0068 | 9255 | 19202 | 2799 | -66 | 105 | 123 | G2 Lens |
WNDD0069 | 9266 | 19196 | 2799 | -50 | 64 | 95 | G2 Lens |
WNDD0070 | 9255 | 19202 | 2799 | -52 | 102 | 99.2 | G2 Lens |
WNDD0071 | 9025 | 19333 | 2790 | -70 | 64 | 436.4 | K Lens lower infill |
WNDD0073 | 9050 | 19297 | 2790 | -62 | 66 | 420.6 | K Lens upper infill |
Notes: WMG = Woodlawn Mine Grid
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 |
WNDD0033* | 316.7 | 319.3 | 2.6 | 2.1 | 1.2 | 0.7 | 1.4 | 0.8 | 76.5 |
WNDD0033* | 326.0 | 346.7 | 20.7 | 16.6 | 14.1 | 1.0 | 4.7 | 1.4 | 120.4 |
WNDD0033* | 351.1 | 360.0 | 8.9 | 7.1 | 5.8 | 1.9 | 2.6 | 2.7 | 90.1 |
WNDD0035* | 389.7 | 413 | 23.3 | 18.64 | 0.3 | 1.9 | 0 | 0.5 | 6.3 |
WNDD0037* | 347.5 | 383 | 35.5 | 28.4 | 5.1 | 0.8 | 1.3 | 0.9 | 61.7 |
WNDD0038* | 376.3 | 396.05 | 19.8 | 15.84 | 0.7 | 2.6 | 0.2 | 0.7 | 8 |
WNDD0039 | 351.35 | 356.77 | 5.4 | 4.32 | 15.1 | 1.5 | 6.0 | 1.0 | 70.3 |
WNDD0042 | 77.55 | 83.25 | 5.7 | 4.56 | 5.9 | 0.2 | 3.9 | 0.4 | 73.3 |
WNDD0044 | 116.78 | 117.85 | 1.1 | 0.88 | 24 | 4.3 | 12.9 | 1.5 | 97.2 |
WNDD0045 | 94.65 | 97.23 | 2.6 | 2.08 | 3.6 | 0.1 | 2.4 | 0.2 | 49.6 |
WNDD0045 | 108 | 114.45 | 6.4 | 5.12 | 2.2 | 0.1 | 1.7 | 0.3 | 20.5 |
WNDD0050 | 103.1 | 108.45 | 5.3 | 4.24 | 1.4 | 1.6 | 0.9 | 1.3 | 62.7 |
WNDD0052 | 101.9 | 106.8 | 4.9 | 3.92 | 1.9 | 0.2 | 1.0 | 0.3 | 20.4 |
Notes: True width is an estimate of the actual thickness of the intercept based on interpreted lens orientation (approximately 80% to 90% of downhole width, with 80% used in this table as a general guide); 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.
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/heron09202015.pdf
Source: Heron Resources Ltd. (TSX:HER, ASX:HRR) http://www.triausmin.com/
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