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Heron’s Regional Exploration Drilling Returns 42m at 0.20g/t Au and 0.26% Cu from 4m to End of Hole

/EIN News/ -- Sydney, Australia, June 20, 2017 (GLOBE NEWSWIRE) -- Heron Resources Limited (ASX:HRR TSX:HER, “Heron” or the “Company”) is pleased to report the results of a reconnaissance rotary airblast (RAB) drilling program at the Crosby prospect within its wholly-owned Kangiara Project (EL8400), located 200km south-west of Sydney, New South Wales, Australia.

Results for first pass RAB drilling at the Crosby Prospect have returned:

  • 42m @ 0.20 g/t Au and 0.26% Cu from 4m to end of hole (CRRB027)
  • 3m 0.77 g/t Au from 33m depth to end of hole (CRRB008)
  • Several supporting anomalous results indicative of a broad mineralised system, strong sericite and pyrite alteration logged
  • Hosted within Silurian dacitic rocks - intrusive-related copper/gold mineralising model.

Kangiara (EL8400) RAB Program

The Kangiara Project is located 90km NW of Woodlawn and 26km NNW of the town of Yass, and is a historical copper mine where previous explorers (to 2014) have delineated a small, low-grade, gold, silver, copper, lead, zinc deposit (non JORC).  The geology comprises felsic volcanic and related sedimentary rocks of the Silurian Douro Group (Figure1). 

At the Crosby Prospect (named after the nearby survey point) 5km to the NE of the Kangiara mine, previous explorers outlined a strong gold anomaly (up to 2.3g/t Au in rock chips and 0.17g/t Au in soils) within a 2.5km NW-trending zone of anomalous geochemistry (Au, As, Zn, Pb, Cu; Bi, Mo, Sb).  Heron conducted check sampling which confirmed the soil geochemistry, with levels above 150ppb Au being returned and rock-chips up to 4g/t from an area northwest of the soil anomaly.  The geological setting is similar to the McPhillamys gold deposit (approximately 2.2Moz Au as reported by Regis Resources Ltd http://www.regisresources.com.au/ ) located 130km to the NNE.

A program of 33 rotary air-blast (RAB) holes for 743m was completed in May 2017 providing a first pass test of the soil geochemical anomalies (Figure 2).  The majority of the drilling was focused on the Crosby Main target plus 2 lines to the north providing coverage of the northern geochemical anomalies, and was conducted with the RAB hammer which provided dry and relatively contamination free penetration into the weathered and altered rocks.

The drill holes encountered a thin residual regolith cover before penetrating the Silurian sequence of dacitic intrusive rocks with lesser intercalated breccias and shales.  Pervasive sericite alteration and fine grained disseminated pyrite (phyllic alteration) was observed in many of the holes, with lesser biotite and some fine-grained base metal sulphides.  Where alteration was strong, the rig was able to penetrate deeper; the deepest intercept was in strong alteration from surface to a depth of 64m (CRRB024) which was close to the capacity of the rig (Figure 3).

Samples were collected on 4m, 2m or 1m intervals depending on the degree of alteration, and assayed using an aqua-regia digest and ICP finish for gold and other elements.  Some check fire assays are being conducted to check the gold results as it may be reporting slightly low if the mineralisation is of a refractory nature.  The drill logs and assays confirmed a broad zone of phyllic alteration within the Silurian sequence at both the Crosby Main and Central areas. 

Better results include:

10m @ 0.11g/t Au, from 30m to end of hole (CRRB007)

3m @ 0.77 g/t Au, from 33m depth to end of hole (CRRB008)

4m @ 0.96% Zn, 0.36% Pb and 0.07g/t Au, from 54m (CRRB024)

42m @ 0.20 g/t Au and 0.26% Cu from 4m to end of hole (CRRB027)

4m @ 0.25% Cu from 24m to end of hole (CRRB029)

The results from the Crosby Main area (CRRB007, -008 and -024) are associated with strong sericite and fine grained disseminated pyrite alteration and elevated zinc and lead similar to the McPhillamys style of mineralisation. 

The results from the very limited drilling in the Crosby Central area (CRRB027 and 029) is consistent with an intrusive-related or porphyry style of mineralisation, and the thick intercept in CRRB0027 suggests the potential for the presence of a significant mineralising system.  Of note in the drill assays for the central area is depletion in both Cu and Au in the top 4 metres indicating the broad and relatively weak soil geochemical anomaly in this area may be more significant than first thought. Strongly anomalous silver (Ag), molybdenum (Mo), arsenic (As) levels associated with these copper/gold results (see Appendix 1) is encouraging and supports an intrusive-related model for the mineralisation. 

Forward Program

This first-pass reconnaissance drilling program has successfully identified the potential for a significant, intrusive-related copper/gold mineralised system.  The fine disseminated nature of the sulphides in the dacitic rocks can most likely be mapped with IP geophysical methods to help target future drilling programs.

About Heron Resources Limited:

Heron’s primary focus is the development of its 100% owned, high grade Woodlawn Zinc-Copper Project located 250km southwest of Sydney, New South Wales, Australia.  In addition, the Company holds a significant high quality, gold and base metal tenement holding in central and eastern New South Wales.

Figure 1: Location of the Kangiara Project and Crosby Prospect in relation to Woodlawn and other major deposits. Refer to link below:

http://www.heronresources.com/tsximages/20170620/20170620_Fig1.jpg  

Figure 2:  Crosby Prospect showing distribution of drilling and anomalous holes with key results highlighted. Refer to link below:

http://www.heronresources.com/tsximages/20170620/20170620_Fig2.jpg

Figure 3:  Kangiara Project, Crosby Prospect RAB drilling rig at hole CRRB024 drilled to 64m (deepest hole of program) showing broad zone of sericite/pyrite alteration. Refer to link below:

http://www.heronresources.com/tsximages/20170620/20170620_Fig3.jpg  


Compliance Statement (JORC 2012 and NI43-101)

The technical information in this report relating to the exploration results 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 Limited and has sufficient experience, which is relevant to the style of mineralisation 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 approved the scientific and technical disclosure in the news release.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING INFORMATION

This report 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 report. 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 report 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 report.

Appendix 1

Table 1: Drill hole details for RAB holes completed

Hole No. MGA

East (m)
MGA

North (m)
RL (m)

(approx.)
Dip Azimuth

(approx.)
EOH

Depth (m)
Target
CRRB001 665100 6171720 620 -60 270 22 Crosby Main
CRRB002 665140 6171720 620 -60 270 30 Crosby Main
CRRB003 665180 6171720 620 -60 270 35 Crosby Main
CRRB004 665220 6171720 620 -60 270 13 Crosby Main
CRRB005 665260 6171720 620 -60 270 10 Crosby Main
CRRB006 665080 6171800 620 -60 270 13 Crosby Main
CRRB007 665120 6171800 620 -60 270 40 Crosby Main
CRRB008 665160 6171800 620 -60 270 35 Crosby Main
CRRB009 665200 6171800 620 -60 270 22 Crosby Main
CRRB010 665240 6171800 620 -60 270 4 Crosby Main
CRRB011 665060 6171720 620 -60 270 13 Crosby Main
CRRB012 665120 6171640 620 -60 270 13 Crosby Main
CRRB013 665160 6171635 620 -60 270 14 Crosby Main
CRRB014 665200 6171640 620 -60 270 16 Crosby Main
CRRB015 665240 6171640 620 -60 270 13 Crosby Main
CRRB016 665140 6171555 620 -60 270 16 Crosby Main
CRRB017 665180 6171560 620 -60 270 14 Crosby Main
CRRB018 665140 6171760 620 -60 270 28 Crosby Main
CRRB019 665065 6171880 620 -60 270 28 Crosby Main
CRRB020 665020 6171880 620 -60 270 28 Crosby Main
CRRB021 664980 6171880 620 -60 270 37 Crosby Main
CRRB022 664960 6171800 620 -60 270 4 Crosby Main
CRRB023 665000 6171800 620 -60 270 19 Crosby Main
CRRB024 665020 6171800 620 -60 270 64 Crosby Main
CRRB025 665020 6171720 620 -60 270 11 Crosby Main
CRRB026 664960 6171880 620 -60 270 25 Crosby Main
CRRB027 664572 6172672 620 -60 270 46 Crosby Central
CRRB028 664540 6172680 620 -60 270 11 Crosby Central
CRRB029 664590 6172671 620 -60 270 28 Crosby Central
CRRB030 664020 6172993 620 -60 270 25 Crosby North
CRRB031 664065 6173002 620 -60 270 25 Crosby North
CRRB032 664086 6173016 620 -60 270 19 Crosby North
CRRB033 664005 6172986 620 -60 270 22 Crosby North

 

Table 2: Selected assay results for the RAB program – holes not included contained no significant assay results

Hole ID From To  Au ppm Cu ppm Pb ppm Zn ppm Ag ppm As ppm Mo ppm
CRRB002 0 4   0.031 58.1 191.5 389 0.2 11.1 2
CRRB002 4 8   0.007 38.3 61.2 443 0.2 8.2 0.7
CRRB002 8 12   0.005 32.3 84.9 396 0.3 9.5 0.9
CRRB002 12 16   0.008 94.4 547 445 0.6 63.6 3.3
CRRB002 16 20   0.005 29.1 393 772 0.4 29 1.7
CRRB002 20 24   0.005 65 369 552 0.6 22.7 1.6
CRRB002 24 28   0.026 156.5 905 656 1.9 34.5 19.3
CRRB002 28 30   0.063 78.7 654 649 1.4 31.3 14.8
CRRB005 4 8   0.004 20.8 24.3 118 0.1 30.6 <0.5
CRRB005 8 10   0.006 16.4 14.9 130 0.1 32.6 <0.5
CRRB006 0 4   0.016 41.9 1645 652 3 41 2.7
CRRB006 4 8   0.015 35.9 870 671 7.7 23.9 2.2
CRRB006 8 12   0.014 30.5 309 886 2.1 13.2 1.8
CRRB006 12 13   0.006 32.9 267 575 0.8 11.7 1
CRRB007 0 4   0.020 57.9 977 518 0.6 15.6 2.7
CRRB007 4 8   0.012 38.7 684 807 0.5 11.9 1.9
CRRB007 8 12   0.015 29.6 794 1165 0.8 11.7 1.9
CRRB007 12 16   0.041 64.6 1715 1220 4.2 19.3 11.2
Hole ID From To  Au ppm Cu ppm Pb ppm Zn ppm Ag ppm As ppm Mo ppm
CRRB007 16 20   0.055 39.4 1255 1000 7 26.5 6.1
CRRB007 20 24   0.069 57.2 1145 1960 3.7 15.9 7.5
CRRB007 24 28   0.048 10.3 1125 1490 0.6 22.9 4
CRRB007 27 28   0.012 12.4 918 856 1 24.3 1.7
CRRB007 28 29   0.042 12.2 478 764 0.5 16.6 1.5
CRRB007 29 30   0.013 6.6 222 570 0.5 10.4 1.3
CRRB007 30 31   0.020 13.4 1445 1060 1.7 35.9 8.2
CRRB007 31 32   0.122 37.4 2080 3220 5.2 200 109.5
CRRB007 32 33   0.361 162.5 6200 4240 9.1 164 224
CRRB007 32 36   0.332 163 6130 4110 9.5 144.5 295
CRRB007 33 34   0.021 17.3 649 1130 0.8 24.7 12
CRRB007 34 35   0.076 34 391 882 1.4 56.6 12.4
CRRB007 35 36   0.067 81 341 1000 1.1 27.5 9
CRRB007 36 37   0.161 321 1015 2880 2.6 55.9 29.5
CRRB007 36 40   0.143 395 879 2300 2.5 51.7 22.4
CRRB007 37 38   0.159 562 837 2360 2.7 48.6 16.9
CRRB007 38 39   0.058 197 923 1430 1.7 54.8 12.1
CRRB007 39 40   0.061 169 950 1805 2.3 81.4 17.8
CRRB008 0 4   0.154 35.6 756 454 0.6 31 7.2
CRRB008 4 8   0.035 24.9 631 906 0.8 31.6 2.9
CRRB008 8 12   0.033 47 514 1295 1.4 18.9 2
CRRB008 12 16   0.141 32.6 972 1050 2.5 40.3 4.9
CRRB008 16 20   0.013 36.5 470 1110 0.3 10.2 1.5
CRRB008 20 24   0.165 69.9 947 866 1.3 23.4 9.9
CRRB008 24 25   0.023 34.9 1080 1120 0.4 13.6 1.6
CRRB008 25 26   0.035 29.1 841 1080 0.8 19.5 2.5
CRRB008 26 27   0.020 27.3 623 2070 2.4 41.6 3.3
CRRB008 27 28   0.031 28.9 638 423 1.9 89.3 9.9
CRRB008 28 29   0.026 29.6 133 440 1.7 116.5 4.4
CRRB008 29 30   0.045 109.5 557 1120 4.3 284 4.3
CRRB008 30 31   0.048 167 554 1130 4.1 213 4.8
CRRB008 31 32   0.024 215 670 1510 2.3 32 2.1
CRRB008 32 33   0.523 189.5 486 1120 3.1 28.8 5.5
CRRB008 33 34   1.230 143 474 1220 3.4 55.5 13.7
CRRB008 34 35   0.541 46 389 1020 1.7 41.6 8.2
CRRB012 0 2   0.004 17.4 123 35 0.1 65.7 <0.5
CRRB012 2 4   0.012 24.7 592 44 0.4 98.8 <0.5
CRRB012 4 6   0.011 79.3 2150 60 1.3 54.9 0.5
CRRB012 6 8   0.009 32.4 991 130 0.5 53.8 0.6
CRRB012 8 10   0.020 80.6 1365 112 1.5 61.5 <0.5
CRRB012 10 12   0.009 172.5 4200 177 3.2 68.5 <0.5
CRRB012 12 13   0.007 45.4 1810 192 2.3 50.8 <0.5
CRRB013 0 2   0.006 14.5 147.5 69 0.1 121 0.8
CRRB013 2 4   0.016 24.6 288 128 0.3 82.6 1.6
CRRB013 4 6   0.024 21.9 442 73 0.8 91.2 3.5
CRRB013 6 8   0.015 21.8 162 83 1.3 206 3.4
CRRB013 8 10   0.015 11 29.8 178 0.9 119 1.7
CRRB013 10 12   0.007 12 13 231 0.3 25.6 0.8
CRRB013 12 14   0.006 24.6 14.6 337 0.3 23.4 0.8
CRRB014 0 2   0.030 41.1 201 149 0.1 18.6 3.6
CRRB014 2 4   0.020 42.7 171.5 199 0.1 28.6 5.2
CRRB014 4 6   0.024 65.7 593 295 0.3 26.9 4.2
CRRB014 6 8   0.086 134 2290 573 2.5 33.5 25.6
CRRB014 8 10   0.038 117 1855 734 1.3 46.5 25.2
CRRB014 10 12   0.022 79 933 266 1.4 60.6 3.7
CRRB014 12 14   0.013 135.5 353 253 1.1 59.7 2.6
CRRB014 14 16   0.040 154 149.5 408 1.8 26.8 4
Hole ID From To  Au ppm Cu ppm Pb ppm Zn ppm Ag ppm As ppm Mo ppm
CRRB018 0 4   0.033 39.8 389 432 0.4 21.4 3.2
CRRB018 4 8   0.004 4.7 109.5 516 0.3 11.2 <0.5
CRRB018 8 12   0.002 2.6 9 270 -0.1 1.5 <0.5
CRRB018 12 16   0.003 4.9 29.8 423 0.2 10.4 0.7
CRRB018 16 20   0.003 13 69 982 0.2 10.1 0.6
CRRB018 20 22   0.086 21.3 232 754 0.3 6.1 1.1
CRRB018 22 24   0.111 20 155.5 979 0.3 5.7 1
CRRB018 24 26   0.078 20.5 97 999 0.4 33.5 1
CRRB018 26 28   0.016 32.6 579 851 0.8 39.4 0.9
CRRB019 0 4   0.079 28.5 153 111 0.1 14.8 0.9
CRRB019 4 8   0.006 40.5 148 224 0.1 17.5 1.2
CRRB019 8 12   0.006 46.2 138 276 0.2 9.8 1.1
CRRB019 12 16   0.009 17 58.9 223 0.3 4.1 <0.5
CRRB019 16 20   0.005 18 50.4 208 0.1 8.5 1
CRRB019 20 22   0.002 15.2 56.6 507 0.2 7.9 0.9
CRRB019 22 24   0.002 22.6 83 842 0.2 6.7 1
CRRB019 24 26   0.195 194 759 822 1.3 93.8 5.1
CRRB019 26 28   0.073 16.2 146.5 749 0.3 28.5 1.8
CRRB020 0 4   0.006 24 247 395 0.1 12.9 0.6
CRRB020 4 8   0.090 13.8 273 408 0.1 19.8 <0.5
CRRB020 8 12   0.015 8.3 107 482 0.2 29.8 0.6
CRRB020 12 16   0.005 38.4 134 511 0.2 5.8 0.6
CRRB020 16 20   0.004 20.9 576 469 0.3 14.1 0.8
CRRB020 20 22   0.003 19.9 734 664 0.3 7.5 <0.5
CRRB020 22 24   0.005 16.5 233 434 0.2 7.5 <0.5
CRRB020 24 26   0.004 14.3 205 393 0.2 8.7 0.5
CRRB020 26 28   0.006 17.9 521 725 0.2 10.7 0.7
CRRB021 0 4   0.739 154.5 819 190 0.5 61 8.1
CRRB021 4 8   0.072 139.5 1180 350 0.5 24 6.3
CRRB021 8 12   0.026 110.5 520 236 0.4 38.1 6.4
CRRB021 12 16   0.058 28.7 177.5 454 0.2 38.1 2.1
CRRB021 16 20   0.005 13 198.5 627 0.1 9.5 0.7
CRRB021 20 21   0.008 7.4 37.6 428 0.1 20.6 6.1
CRRB021 21 22   0.014 87.7 124.5 1090 0.2 20.5 19.9
CRRB021 22 23   0.013 3.5 32.6 703 0.1 27.3 11.5
CRRB021 23 24   0.022 2.3 48.7 329 0.2 56.3 8.2
CRRB021 24 25   0.005 1.8 13.1 257 0.1 15.4 2.6
CRRB021 25 26   0.005 1.3 18.9 454 0.1 16.8 5
CRRB021 26 27   0.003 4 8.9 472 0.1 11.9 1.5
CRRB021 27 28   0.040 1.6 10 267 0.1 15.5 1.9
CRRB021 28 29   0.025 7.7 38.6 494 0.3 28.2 6.4
CRRB021 29 30   0.013 5.2 50 568 1.2 23.9 10.4
CRRB021 30 31   0.006 2.3 19.8 373 0.2 3.6 0.7
CRRB021 31 32   0.029 4.4 29.4 294 0.8 18.4 2.9
CRRB021 32 33   0.057 5.4 34.3 326 0.4 25.2 6.3
CRRB021 33 34   0.027 4.7 59.1 273 0.8 31.4 13.2
CRRB021 34 35   0.030 10.9 109.5 264 0.7 30.8 9.2
CRRB021 35 36   0.030 7.1 60.8 250 0.8 33.1 4.4
CRRB021 36 37   0.031 30.6 47.2 198 0.4 16.5 3.8
CRRB022 0 1   0.048 90.6 19 17 -0.1 2.5 <0.5
CRRB022 1 2   0.002 116.5 9.3 16 -0.1 1.8 <0.5
CRRB022 2 3   0.003 67.3 8.8 19 -0.1 2.2 0.5
CRRB022 3 4   0.049 154 57.5 19 0.1 0.7 <0.5
CRRB023 0 2   0.008 73.8 138.5 236 0.1 21.8 1.5
CRRB023 2 4   0.007 108 215 343 0.1 16.4 1.4
CRRB023 4 6   0.006 80 135.5 305 0.3 14.9 0.9
CRRB023 6 8   0.010 321 183 393 0.8 37.8 1.3
Hole ID From To  Au ppm Cu ppm Pb ppm Zn ppm Ag ppm As ppm Mo ppm
CRRB023 8 10   0.041 218 376 299 0.9 37.3 3.1
CRRB023 10 12   0.042 181 739 343 1 24.6 2.2
CRRB023 12 14   0.036 181.5 213 345 0.6 17.2 2.1
CRRB023 14 16   0.030 190.5 169 439 0.8 26.5 1.7
CRRB023 16 18   0.105 35.5 199.5 350 0.5 34.6 8
CRRB023 18 19   0.162 17.6 127 431 0.2 23.6 5.3
CRRB024 0 4   0.023 147.5 224 215 0.3 59.1 2
CRRB024 4 8   0.102 290 115 319 0.9 37.6 3.4
CRRB024 8 12   0.011 189 83.1 281 0.2 45.7 3.8
CRRB024 12 16   0.023 332 125.5 394 0.3 36.2 8.8
CRRB024 16 20   0.008 30.7 46 279 0.2 34.4 12.6
CRRB024 20 24   0.087 72 125 209 0.3 31.7 5.8
CRRB024 24 28   0.015 34.3 61.7 600 0.1 57.4 4.7
CRRB024 28 30   0.029 167.5 180 1105 0.4 177.5 4.3
CRRB024 30 32   0.045 190.5 105 494 1.6 447 3.3
CRRB024 32 34   0.038 519 62.6 373 2.3 147 2.9
CRRB024 34 36   0.036 1355 60.7 563 5 92.6 3.9
CRRB024 36 38   0.017 471 72.4 454 2.1 57.2 0.9
CRRB024 38 40   0.014 69.2 157 541 0.8 52 0.5
CRRB024 40 42   0.009 52 188 1260 1 28.1 0.7
CRRB024 42 44   0.006 69.1 89 546 0.7 32.3 0.7
CRRB024 44 46   0.021 91.6 23.4 921 1.3 79.8 0.8
CRRB024 46 48   0.023 19.1 41.7 557 0.5 232 1.1
CRRB024 48 50   0.020 15.1 28.1 412 0.2 50 1.5
CRRB024 50 52   0.005 6.8 107.5 448 0.4 27 1.6
CRRB024 52 54   0.009 294 721 2940 2.5 56.4 7.3
CRRB024 54 56   0.026 310 3630 9490 8.1 40.2 14.5
CRRB024 56 58   0.117 185.5 5380 9800 7.9 53 7.8
CRRB024 58 60   0.013 90.5 536 1390 1.3 31.3 6.6
CRRB024 60 62   0.009 172.5 216 609 0.9 24.3 2.1
CRRB024 62 64   0.012 31.8 106 411 0.3 31.5 1.3
CRRB027 0 2   0.032 1350 468 192 0.4 50.1 7.4
CRRB027 2 4   0.013 1950 408 198 0.6 19.8 2.3
CRRB027 4 6   0.256 2960 920 223 1.5 203 16
CRRB027 6 8   0.215 3780 1045 229 1.2 83 16.4
CRRB027 8 10   0.230 2860 874 197 3.2 87.9 18
CRRB027 10 12   0.065 2430 769 273 1.6 60.3 8.4
CRRB027 12 14   0.095 2820 521 172 2.3 42.5 12.8
CRRB027 14 16   0.090 1575 1030 372 1.9 54.3 10.4
CRRB027 16 18   0.344 3290 1305 243 3.6 107.5 18.1
CRRB027 18 20   0.100 2810 655 216 2.4 67.5 10.4
CRRB027 20 22   0.055 1565 1210 213 1.6 47.3 10
CRRB027 22 24   0.175 7000 1590 263 6 78.3 16.3
CRRB027 24 26   0.053 2250 746 390 1.8 88.8 7
CRRB027 26 28   0.684 8460 2030 1030 9.8 160 21.4
CRRB027 28 30   0.228 2140 1015 733 1.2 38.3 14.7
CRRB027 30 32   0.455 1945 1135 474 2.4 118 14.3
CRRB027 32 34   0.157 1485 834 650 1.3 51 10.8
CRRB027 34 36   0.073 2100 1470 354 1.2 36.8 10.4
CRRB027 36 38   0.135 1175 1420 772 0.9 43.1 9.8
CRRB027 38 40   0.216 1100 1355 754 0.9 41.1 9.2
CRRB027 40 42   0.264 878 189 307 0.5 20.6 7.4
CRRB027 42 44   0.214 698 85 346 0.6 27.3 12.2
CRRB027 44 46   0.078 955 100.5 573 0.9 83.6 8.3
CRRB028 0 4   0.007 75 674 79 0.3 13.9 2.2
CRRB028 4 8   0.012 132.5 827 68 0.6 35.1 5.8
CRRB028 8 11   0.077 198.5 1455 133 1.1 35.1 10.8
Hole ID From To  Au ppm Cu ppm Pb ppm Zn ppm Ag ppm As ppm Mo ppm
CRRB029 0 4   0.014 242 46.7 96 0.1 72.9 5.4
CRRB029 4 8   0.013 137 21.8 104 0.1 24.3 1.2
CRRB029 8 12   0.017 405 18.5 108 0.1 34.5 2.6
CRRB029 12 16   0.010 740 16.9 97 0.2 23 2.4
CRRB029 16 20   0.006 245 7.8 108 0.2 19.9 1.8
CRRB029 20 22   0.007 232 9.7 99 0.3 17.3 3.4
CRRB029 22 24   0.004 277 10.2 102 0.2 12.9 4.5
CRRB029 24 26   0.010 3440 16.1 81 1.1 16.6 3.9
CRRB029 26 28   0.009 1565 13.6 88 0.4 14.6 3.8


 

JORC 2012 Table 1

Section 1 Sampling Techniques and Data 

(Criteria in this section applies to all succeeding sections)

Criteria JORC Code explanation  
Sampling techniques ·  Nature and quality of sampling (eg cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma sondes, or handheld XRF instruments, etc). These examples should not be taken as limiting the broad meaning of sampling.

·  Include reference to measures taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used.

·  Aspects of the determination of mineralisation that are Material to the Public Report.

 
·  Samples for analysis were taken from rotary airblast (RAB) drill cuttings.  The majority (~90%) of the drill cutting were produced from the RAB hammer which provided better penetration into the harder bedrock materials.  The samples were essentially all dry with little or no ground water being encountered. All drill cuttings were collected via a cyclone using manual choke or collected at the top of the collar and placed on the ground in separate 1m piles. Samples were taken as mostly 4m scoop composite samples with potentially mineralised intervals samples at either 2m or 1m intervals. Samples were collected from the 1m piles on an equal volume basis to approximately 2.5kg of total sample size per numbered calico bag.

·  One quality control sample (alternating between assay standards, blank assay material and field duplicates) was inserted on a nominal 10 sample basis.
Drilling techniques ·  Drill type (eg core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc) and details. ·  The drilling was undertaken by a rotary airblast (RAB) system, mostly employing the hammer to achieve penetration in bedrock materials.

·  The drilling rig was Mole Pioneer 160 rig with 600cfm and 200psi compressor, with a maximum depth to 100m.

·  A 4.5 inch bit was used for the drilling and holes were drilled to target depth.

·  All holes were drilled under geological supervision.
Drill sample recovery ·  Method of recording and assessing core and chip sample recoveries and results assessed. ·  A geologist supervised the drilling and sampling of the holes and recorded the lithologies intersected.

·  There were no issues with either sample recovery or sample condition in the drilling program and ground conditions were generally good for the drilling method employed. 
Logging ·  Whether core and chip samples have been geologically and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies. ·  All drill holes were geologically logged at the time they were drilled by the supervising geologist using the Heron Geological Legend. Selected drill chips were collected for each hole and stored in chip trays for future reference.
Sub-sampling techniques and sample preparation ·  For all sample types, the nature, quality and appropriateness of the sample preparation technique.

 
·  All samples weighed, dried and reconciled against company submission.

·  All samples pulverised in a ring pulveriser (LM5) to a nominal 85% passing 75 micron.
Quality of assay data and laboratory tests ·  The nature, quality and appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total.

·  Nature of quality control procedures adopted (eg standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (ie lack of bias) and precision have been established.
·  Sample preparation and assaying was conducted through ALS Laboratories in Orange NSW

·  Gold determined by aqua-regia digestion with ICP-AES analysis to 1ppb LLD.

·  Other elements by aqua-regia digestion followed by ICP-AES analysis. 

·  Laboratory quality control standards (blanks, standards and duplicates) are inserted at a rate of 5 per 35 samples.
Verification of sampling and assaying ·  The verification of significant intersections by either independent or alternative company personnel.

·  Documentation of primary data, data entry procedures, data verification, data storage (physical and electronic) protocols.

·  Discuss any adjustment to assay data.
·  An internal review of results was undertaken by company personnel.  No independent verification was undertaken at this stage.

·  All field and laboratory data is in the process of being entered into an industry standard database using a contract database administrator (DBA).  In-house validation of both the field and laboratory data is undertaken prior to final acceptance and reporting of the data.

·  Quality control samples from both the Company and the Laboratory are assessed by the DBA and reported to the Company geologists for verification.  All assay data must pass this data verification and quality control process before being reported.
Location of data points ·  Accuracy and quality of surveys used to locate drill holes (collar and down-hole surveys), trenches, mine workings and other locations used in Mineral Resource estimation. ·  All sample points located with handheld GPS, with accuracy of about 5m.  This is considered appropriate at this early stage of exploration.  Elevations for collars are not determined at this stage and a nominal elevation is used.
Data spacing and distribution ·  Data spacing for reporting of Exploration Results.

·  Whether the data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for the Mineral Resource and Ore Reserve estimation procedure(s) and classifications applied.

·  Whether sample compositing has been applied.
·  Drilling was performed on a nominal 80m spaced east-west lines and 40m along the line with some closer spaced holes in places.  All holes were angled at 60 degrees to the west.

·  Sampling and compositing was appropriate for the early stage of exploration.
Orientation of data in relation to geological structure ·  Whether the orientation of sampling achieves unbiased sampling of possible structures and the extent to which this is known, considering the deposit type. ·  Sampling orientation was appropriate for the early stage of exploration and was not designed to take into account specific structures.
Sample security ·  The measures taken to ensure sample security. ·  Samples were secured in green plastic bags and transported to the laboratory by company employed personnel.  Beyond this there were no specific security measures.
Audits or reviews ·  The results of any audits or reviews of sampling techniques and data. ·  No audits or reviews were undertaken due to the early stage of exploration.

 

Section 2                             Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section.)

Criteria JORC Code explanation  
Mineral tenement and land tenure status ·  Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings.

·  The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area.
·  All work was undertaken on granted exploration licences EL8400 in the name of Ochre Resources Pty Ltd which is a wholly owned subsidiary of Heron Resources Ltd.  The tenement is in good standing

·  The Kangiara Project area is on privately owned farm land and the Company has entered into compensation agreements with the landowners to access their properties.

·  There are no known specific environmental or heritage impediments for the current phase of exploration.
Exploration done by other parties ·  Acknowledgment and appraisal of exploration by other parties. ·  Previous exploration at the Crosby Prospect appears to have been limited with no previous drilling of the geochemical had been undertaken.

·  The soil geochemical anomaly was first outlined in the mid 1970s (Esso Exploration) and then better defined (including gold analysis) by Oakland Resources Ltd in 2013.
Geology ·  Deposit type, geological setting and style of mineralization. ·  The Crosby Prospect is underlain by rocks of the in felsic-intermediate Silurian volcanics of the Douro Group.

·  The drilling intersected the Silurian sequence of dacitic intrusive and breccia rocks with minor intercalated shale and other fine-grained sediments.  Pervasive sericite and fine grained disseminated pyrite (phyllic alteration) was observed in many of the holes with lesser biotite and some fine grained base metal sulphides.

·  The style/model of mineralisation is McPhillamy’s (Orogenic) or intrusive related (including porphyry style) styles.
Drill hole Information A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes: ·  Drilling location information is provided in Table 1 and collars shown in Figure 2.

·  The drilling was designed to provide information as to the source of the strong surface geochemical anomaly and provide guidance for deeper drilling.
Data aggregation methods ·  In reporting Exploration Results, weighting averaging techniques, maximum and/or minimum grade truncations (eg cutting of high grades) and cut-off grades are usually Material and should be stated.

·  Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail.
·  Assays results for the various programs are reported in summary form only, which is considered appropriate for this early stage of exploration. 

·  Only relevant elements are reported here, however, a larger suite of elements were assayed for.
Relationship between mineralization widths and intercept lengths ·  These relationships are particularly important in the reporting of Exploration Results.

·  If the geometry of the mineralisation with respect to the drill hole angle is known, its nature should be reported.
·  See comments above – at this stage, actual mineralised intercepts are not considered relevant to the report.
Diagrams ·  Appropriate maps and sections (with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drill hole collar locations and appropriate sectional views. ·  Maps relevant for current phase of exploration are included in the release.
Balanced reporting ·  Where comprehensive reporting of all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Results. ·  The reporting is considered to be balanced and all relevant/material results have been disclosed for this current phase of exploration.
Other substantive exploration data ·  Other exploration data, if meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; geochemical survey results; bulk samples – size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious or contaminating substances. ·  Open-file aeromagnetic data, geological maps, and other geological datasets have been used to guide the drilling program and the interpretation of the results.
Further work ·  The nature and scale of planned further work (eg tests for lateral extensions or depth extensions or large-scale step-out drilling).

 
·  Gold by fire assay determination of selected anomalous intervals will be undertaken to check if gold is potentially refractory and may lead to slightly higher reportable gold levels.

·  Further deeper and step out drilling is being considered given these initial results, however, a full review will be undertaken prior to commitment of a follow-up program.

 

 

 



 

For further information, please visit www.heronresources.com.au or contact:
Australia:
Mr Wayne Taylor
Managing Director and Chief Executive Officer
Tel: +61 2 9119 8111 or +61 8 6500 9200	
Email: heron@heronresources.com.au

Jon Snowball
FTI Consulting
+61 2 8298 6100
jon.snowball@fticonsulting.com

Canada:
Tel: +1 647 862 1157 (Toronto)

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