Mr. J. Frank Callaghan reports
BARKERVILLE GOLD MINES REPORTS WHOLE HOLE METALLIC SCREEN FIRE ASSAY RESULTS OF THIRTY SEVEN DIAMOND DRILL HOLES CONDUCTED ON COW MOUNTAIN
Barkerville Gold Mines Ltd. has provided results from complete hole metallic screen fire assay results of 37 diamond drill holes conducted on Cow Mountain in 2011.
As recommended in the company's NI 43-101 report dated Dec. 31, 2012 (see news release dated June 19, 2013), and mentioned in the news release dated Dec. 9, 2013, all reject samples from drill core that was originally analyzed in 2011 with standard fire assays and unassayed infill core samples from those same holes collected in 2013 have been sent for 1,000-gram metallic screen fire assay. Considering coarse-grained gold is common in the area it has been determined that the original 30 g standard fire assay method possibly undervalued gold grade. Once all drill data have been received, the company will provide a comparative analysis between new and original drill data. The company will also provide an updated NI 43-101 resource estimate.
Metallic screen fire assay results of 37 drill holes have been received and significant intercepts are listed in the attached table. Highlights include the following.
CM11-83
- 12.2 metres (40.0 feet) of 9.46 grams per tonne g/t (0.276 ounce per ton) gold between 224.6 and 236.8 metres (737.0 and 777.0 feet):
- including 9.1 metres (30.0 feet) of 12.49 g/t (0.364 ounce per ton) gold between 224.6 and 233.8 metres (737.0 and 767.0 feet);
- including 6.1 metres (20.0 feet) of 18.11 g/t (0.528 ounce per ton) gold between 224.6 and 230.7 metres (737.0 and 757.0 feet).
- 2.4 metres (7.9 feet) of 47.03 g/t (1.372 ounces per ton) gold between 261.9 and 264.3 metres (859.1 and 867.0 feet);
- 2.6 metres (8.5 feet) of 11.51 g/t (0.336 ounce per ton) gold between 269.7 and 272.3 metres (884.7 and 893.2 feet);
- 4.9 metres (16.2 feet) of 19.72 g/t (0.575 ounce per ton) gold between 316.8 and 321.8 metres (1,039.4 and 1,055.6 feet):
- including 3.2 metres (10.6 feet) of 30.00 g/t (0.875 ounce per ton) gold between 316.8 and 320.0 metres (1,039.4 and 1,050.0 feet).
CM11-59C
- 2.2 metres (6.7 feet) of 10.31 g/t (0.301 ounce per ton) gold between 88.8 and 90.8 metres (291.2 and 297.9 feet);
- 1.1 metres (3.6 feet) of 15.51 g/t (0.452 ounce per ton) gold between 103.1 and 104.2 metres (338.1 and 341.7 feet).
CM11-29
- 3.8 metres (12.4 feet) of 21.75 g/t (0.634 ounce per ton) gold between 44.5 and 48.3 metres (146.0 and 158.4 feet);
- 1.7 metres (5.6 feet) of 9.33 g/t (0.272 ounce per ton) gold between 75.4 and 77.1 metres (247.4 and 253.0 feet).
CM11-28B
- 1.2 metres (4.1 feet) of 52.41 g/t (1.529 ounce per ton) gold between 86.7 and 87.9 metres (284.4 and 288.5 feet).
CM11-23
- 5.8 metres (19.0 feet) of 20.95 g/t (0.611 ounce per ton) gold between 2.4 and 8.2 metres (8.0 and 27.0 feet).
CM11-21
- 2.3 metres (7.5 feet) of 5.64 g/t (0.164 ounce per ton) gold between 51.1 and 53.3 metres (167.5 and 175.0 feet);
- including 1.1 metres (3.7 feet) of 10.96 g/t (0.320 ounce per ton) gold between 52.2 and 53.3 metres (171.3 and 175.0 feet).
CM11-20
- 1.4 metres (4.7 feet) of 27.31 g/t (0.797 ounce per ton) gold between 17.8 and 19.2 metres (58.3 and 63.0 feet).
CM11-14
- 1.0 metre (3.3 feet) of 12.43 g/t (0.363 ounce per ton) gold between 60.4 and 61.4 metres (198.0 and 201.3 feet).
CM11-09
- 1.5 metres (5.0 feet) of 12.14 g/t (0.354 ounce per ton) gold between 48.8 and 50.3 metres (160.0 and 165.0 feet).
CM11-05
- 1.2 metres (4.0 feet) of 22.71 g/t (0.662 ounce per ton) gold between 89.6 and 90.8 metres (294.0 and 298.0 feet).
CM11-03
- 3.6 metres (11.8 feet) of 31.40 g/t (0.916 ounce per ton) gold between 64.5 and 68.1 metres (211.5 and 223.3 feet):
- including 1.2 metres (4.0 feet) of 91.19 g/t (2.660 ounces per ton) gold between 65.5 and 66.8 metres (215.0 and 219.0 feet).
CM11-01
- 1.5 metres (4.8 feet) of 15.45 g/t (0.451 ounce per ton) gold between 57.8 and 59.2 metres (189.5 and 194.3 feet).
SIGNIFICANT INTERCEPTS OF THE WHOLE HOLE
Metallic screen fire assays of both reject and infill core samples
of drill holes conducted on Cow Mountain in 2011
Hole ID Core sampling interval Metallic fire assay
From To Width
feet metre Au (g/t) Au (oz./t)
CM11-01 189.5 222.0 32.5 9.9 2.60* 0.076*
including
189.5 194.3 4.8 1.5 15.45 0.451
232.0 239.7 7.7 2.3 1.28 0.037
CM11-02 155.8 158.2 2.4 0.7 1.98 0.058
178.9 182.9 4.0 1.2 2.02 0.059
202.0 213.7 11.7 3.6 1.75* 0.051*
191.8 202.8 11.0 3.4 1.12* 0.033*
215.5 220.5 5.0 1.5 8.76* 0.255*
225.0 245.0 20.0 6.1 1.18* 0.034*
CM11-03 211.5 223.3 11.8 3.6 31.40* 0.916*
including
215.0 219.0 4.0 1.2 91.19 2.660
CM11-04 191.8 202.8 11.0 3.4 1.12* 0.057*
215.5 220.5 5.0 1.5 8.76* 0.255*
225.0 245.0 20.0 6.1 1.18* 0.034*
CM11-05 294.0 298.0 4.0 1.2 22.71 0.662
353.5 358.8 5.3 1.6 1.26 0.037
CM11-07 No significant (less than 0.40 g/t Au) intercept
CM11-09 65.0 72.0 7.0 2.1 1.25 0.036
160.0 165.0 5.0 1.5 12.14 0.354
187.0 195.0 8.0 2.4 1.09* 0.032*
238.5 240.6 2.1 0.6 9.32 0.272
249.0 259.0 10.0 3.0 1.27* 0.037*
CM11-10 61.0 63.9 2.9 0.9 2.10 0.061
152.5 157.5 5.0 1.5 2.04 0.059
241.6 243.6 2.0 0.6 1.52 0.044
CM11-11 No significant (less than 0.40 g/t Au) intercept
CM11-12 215.0 222.1 7.1 2.2 0.55 0.016
CM11-13 205.0 226.3 21.3 6.5 1.11* 0.032*
CM11-14 195.0 215.0 20.0 6.1 3.02* 0.088*
including
198.0 201.3 3.3 1.0 12.43 0.363
CM11-15 No significant (less than 0.40 g/t Au) intercept
CM11-17 76.0 77.2 1.2 0.4 1.94 0.057
316.0 317.5 1.5 0.5 6.39 0.186
CM11-18 66.0 69.0 3.0 0.9 2.43 0.071
109.1 115.0 5.9 1.8 1.69 0.049
129.6 136.0 6.4 2.0 5.05* 0.147*
156.0 162.0 6.0 1.8 6.51 0.190
636.0 647.7 11.7 3.6 3.05* 0.089*
CM11-19 127.0 134.0 7.0 2.1 3.40 0.099
332.0 337.0 5.0 1.5 1.02 0.030
882.0 917.0 35.0 10.7 3.17* 0.093*
CM11-20 58.3 63.0 4.7 1.4 27.31 0.797
862.0 866.0 4.0 1.2 1.33 0.039
1191.0 1196.4 5.4 1.6 1.13 0.033
1223.0 1230.2 7.2 2.2 1.86 0.054
CM11-21 95.0 99.7 4.7 1.4 1.61 0.047
167.5 175.0 7.5 2.3 5.64* 0.164*
including
171.3 175.0 3.7 1.1 10.96 0.320
197.1 203.7 6.6 2.0 3.32 0.097
279.4 283.7 4.3 1.3 1.22 0.036
295.0 299.6 4.6 1.4 1.80 0.052
557.6 565.0 7.4 2.3 4.64 0.135
575.0 578.3 3.3 1.0 1.07 0.031
853.0 862.7 9.7 3.0 1.51* 0.044*
CM11-22 380.8 395.0 14.2 4.3 1.23* 0.036*
CM11-23 8.0 27.0 19.0 5.8 20.95 0.611
CM11-24 No significant (less than 0.40 g/t Au) intercept
CM11-26 No significant (less than 0.40 g/t Au) intercept
CM11-28B 75.8 76.8 1.0 0.3 6.08 0.177
123.7 132.6 8.9 2.7 4.79 0.140
171.2 172.5 1.3 0.4 15.14 0.442
284.4 288.5 4.1 1.2 52.41 1.529
454.0 456.6 2.6 0.8 30.10 0.878
498.5 499.5 1.0 0.3 4.03 0.118
528.6 541.6 13.0 4.0 1.78* 0.052*
583.9 584.9 1.0 0.3 1.49 0.043
743.3 747.1 3.8 1.2 3.04 0.089
926.6 931.5 4.9 1.5 1.10 0.032
1115.4 1116.5 1.1 0.3 1.48 0.043
1216.4 1219.6 3.2 1.0 1.50 0.044
1291.3 1292.7 1.4 0.4 2.92 0.085
CM11-29 146.0 158.4 12.4 3.8 21.75* 0.634
including
156.4 157.7 1.3 0.4 52.61 1.534
247.4 253.0 5.6 1.7 9.33 0.272
290.9 292.0 1.1 0.3 17.34 0.506
313.0 315.6 2.6 0.8 1.31 0.038
547.3 552.0 4.7 1.4 1.15* 0.034*
600.5 605.6 5.1 1.6 1.90 0.055
879.0 886.5 7.5 2.3 2.93* 0.085*
1113.2 1114.4 1.2 0.4 3.23 0.094
1178.0 1183.7 5.7 1.7 1.86 0.054
CM11-49 45.6 51.6 6.0 1.8 3.10* 0.090*
79.7 122.0 42.3 12.9 1.70* 0.050*
327.6 329.0 1.4 0.4 5.42 0.158
342.6 344.4 1.8 0.5 4.64 0.135
423.3 432.7 9.4 2.9 2.90* 0.085*
783.0 784.8 1.8 0.5 4.08 0.119
791.6 794.2 2.6 0.8 1.15 0.034
811.6 812.6 1.0 0.3 4.35 0.127
868.3 873.3 5.0 1.5 1.50 0.044
989.0 992.2 3.2 1.0 2.15 0.063
1069.5 1080.7 11.2 3.4 1.68* 0.049*
1212.6 1214.2 1.6 0.5 48.88 1.426
1232.0 1252.6 20.6 6.3 2.65* 0.077*
CM11-50 167.4 173.9 6.5 2.0 0.45 0.013
CM11-51 82.7 91.2 8.5 2.6 1.20 0.035
99.6 116.5 16.9 5.2 1.47* 0.043*
171.5 192.0 20.5 6.2 3.28* 0.096*
208.0 209.3 1.3 0.4 3.51 0.102
CM11-54 533.7 538.4 4.7 1.4 1.06 0.031
1047.3 1048.5 1.2 0.4 1.86 0.054
1109.3 1117.0 7.7 2.3 2.21* 0.065*
1166.3 1171.6 5.3 1.6 1.40* 0.041*
CM11-55 1100.0 1107.2 7.2 2.2 1.26 0.037
1110.3 1116.3 6.0 1.8 1.87 0.055
CM11-56 No significant (less than 0.40 g/t Au) intercept
CM11-57 404.7 413.2 8.5 2.6 1.26 0.037
786.9 790.7 3.8 1.2 1.37 0.040
814.5 816.0 1.5 0.5 3.59 0.105
823.2 839.6 16.4 5.0 1.09* 0.032*
CM11-58 472.5 479.0 6.5 2.0 1.14 0.033
679.8 687.9 8.1 2.5 1.70 0.050
CM11-59C 247.2 253.9 6.7 2.0 2.02 0.059
291.2 297.9 6.7 2.0 10.31* 0.301*
338.1 341.7 3.6 1.1 15.51 0.452
588.6 589.6 1.0 0.3 1.07 0.031
617.8 619.0 1.2 0.4 1.60 0.047
CM11-61 No significant (less than 0.40 g/t Au) intercept
CM11-73 No significant (less than 0.40 g/t Au) intercept
CM11-75 441.3 449.8 8.5 2.6 1.28* 0.037*
CM11-83 341.9 344.7 2.8 0.9 2.83 0.083
361.8 362.8 1.0 0.3 20.72 0.604
737.0 777.0 40.0 12.2 9.46* 0.276*
including
737.0 767.0 30.0 9.1 12.49* 0.364*
and including
737.0 757.0 20.0 6.1 18.11* 0.528*
and including
751.4 757.0 5.6 1.7 40.03 1.168
793.4 795.7 2.3 0.7 49.33 1.439
859.1 867.0 7.9 2.4 47.03 1.372
884.7 893.2 8.5 2.6 11.51 0.336
1039.4 1055.6 16.2 4.9 19.72* 0.575*
including
1039.4 1050.0 10.6 3.2 30.00* 0.875*
Note: Uncut and uncapped grade
* weighted grade
All the significant intercepts in CM11 drill holes described above and in the table may not be the true width. Due to the complexity of analyzing three types of quartz veins; namely, strike, diagonal and orthogonal veins, the true width will be determined after the company's 3-D geological model is updated.
The standard fire assay technique was conducted on a relatively small (30 g) aliquot of sample material that may or may not be truly representative of the gold content of the sample as a whole, particularly if coarse gold or visible gold is present that is notoriously difficult to homogenize within a sample pulp. The metallic screen technique utilized in the company's double assay program effectively evaluates 1,000 grams of pulverized material for each sample and was specifically developed by laboratories to measure coarse or visible gold within pulverized sample materials to provide a more representative estimate of overall gold content.
The collection of reject samples, infill core sampling and core sample cutting of 239 Cow Mt. drill holes conducted in 2007, 2009, 2010 and 2011 have been completed. News on complete holes that include metallic screen fire assay results of reject samples and lead collection fire assay results of previously unassayed infill core samples will be published as they become available. The company is in the process of utilizing this information to update the drill hole database.
Drill core processing included descriptive logging and sampling for geochemical analyses. The NQ-size drill core was cut/split in two halves using saws at the company's Lowhee Creek compound in Wells-Barkerville, central British Columbia. One-half of the core is put in a sample bag. After all the samples are placed in the rice bags at the mine site, they are transported by BGM's personnel to a shipping company in Quesnel for trans-shipment to ACME Analytical Laboratories Ltd. in Vancouver, which is under the Bureau Veritas Group Company, for analysis. Sample preparation and geochemical assaying are done at ACME, following its own internal standards for quality control and verification. The gold assaying method uses a 1,000-gram metallic screen gold assay and 50 g lead collection fire assay. ACME is certified under the Assayers Certification Program of B.C.
The information contained in this news release has been reviewed and approved by the company's chief geologist Jim Yin, PhD, a qualified person as defined by National Instrument 43-101 standards of disclosure for mineral projects.
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