News

Eastmain Resources Drilling at Clearwater Continues to Confirm and Extend Mineralization

December 1, 2016

Toronto, Ontario, December 1, 2016 - Eastmain Resources Inc. (“Eastmain” or the “Company”- TSX:ER) is pleased to announce additional assay results from its ongoing, 63,300 m drill program at the Clearwater Project, which includes the Eau Claire deposit, in James Bay, Quebec (see FIGURES 1-4).

These results are from 23 holes (6,225 m) of drilling for a total of 32 holes (9,228) m to date. A summary of significant assay results and drilling data are presented in Tables 1, 2 and 3 below.

Highlights include:

  • Eau Claire infill drilling highlights:
    • 43.1 g/t Au over 2.0 m - ER16-606

including 96.8 g/t Au over 1.0 m

  • 15.8 g/t Au over 3.5 m - ER16-617

including 66.6 g/t Au over 0.7 m

  • 35.3 g/t Au over 0.7 m - ER16-602
  • Snake Lake drilling continues to intersect mineralization across the targeted area; multiple intercepts for hole ER16-599 are at an average vertical depth of 57 m

 

Claude Lemasson, Eastmain President and CEO commented, “Our ongoing drill programs continue to showcase encouraging results on a number of fronts. Firstly, our infill results continue to reinforce our existing mineral resource through tighter drill spacing which assists in modelling our mineralized structures. Meanwhile, step-out drilling to the east continues to return positive results indicating potential for future mineral resource growth. Lastly, our Snake Lake results demonstrate more near surface mineralization within 2 km of Eau Claire, and support our thesis for potential satellite deposits.”

DRILLING RESULTS - EAU CLAIRE

Eastmain is reporting on the second set of drilling results which includes 15 infill drill holes (4,353 m).  To date, a total of 23 holes (7,125 m) of drilling have been reported with assays pending on an additional 23 holes (7,950 m), within the planned 55,700 m (180 hole) Eau Claire drill program. See press release dated October 24, 2016 for initial results.

Drilling at Eau Claire continues to infill the current resource area while testing new targets beyond the known resource envelope. Infill drilling has focused on tightening nominal drill spacing to approximately 25 m within the resource area. This tighter drill spacing provides key information for future consideration of underground exploration and development. This increased information will also provide a foundation for the upcoming Preliminary Economic Assessment scheduled for completion in late 2017, on the back of an updated resource estimate in 2Q 2017.

A fourth drill is expected at Eau Claire by the end of the year, in order to accelerate the overall exploration program.

DRILLING RESULTS - SNAKE LAKE

Eastmain is reporting on the second set of drilling results which includes 8 exploration drill holes (1,872 m). A total of 9 holes (2,103 m) are now complete with assays pending on the final 11 drill holes (2,400 m) at the Snake Lake Target.

The Snake Lake Target is located 1.8 km east from the Eau Claire Deposit, along the Clearwater Deformation Zone. Drilling continues to return encouraging near-surface gold results, with similar quartz-tourmaline related gold mineralization to the Eau Claire deposit. Additionally, gold mineralization in altered basalt flows and interlayered tuffs with sulphide mineralization of up to 15% has been intersected in several holes. All drilling to date encountered mineralization within 169 m from surface, with the vast majority being in the first 100 m.

GOLD MINERALIZATION - EAU CLAIRE

Gold mineralization at the Eau Claire gold deposit is generally located within structurally-controlled, high-grade en-echelon quartz-tourmaline veins and adjacent altered rocks. The vein system is predominantly hosted within a thick sequence of massive and pillowed mafic volcanic flows, interbedded with narrow intervals of volcaniclastic sedimentary rocks. Both flows and sediments have been intruded by multiple phases of felsic and porphyry dykes. Host rocks have been folded and deformed (sheared) through several deformation events. The gold bearing veins may occur as thin fracture fill with tourmaline and develop along an easterly strike and a southerly dip (450W zone) into thick quartz-tourmaline veins with zoned tourmaline+/-actinolite+/-biotite+/-carbonate alteration halos which can measure up to several metres in thickness.

GOLD MINERALIZATION - SNAKE LAKE

Gold mineralization at the Snake Lake occurrence is similar to the Eau Claire deposit. Quartz tourmaline veins are hosted within a thick sequence of basalt flows, tuffs and interbedded metasedimentary rocks which have been intruded by felsic dykes. As at Eau Claire, the entire sequence has been heavily deformed and sheared resulting in development of a deformation zone with strong and extensive foliation and local shearing. Significant zones of sulphide mineralization (pyrite, pyrrhotite, +/- arsenopyrite +/- chalcopyrite) are also reporting gold mineralization within the deformation zone.

Table 1:  Eau Claire: Summary of Drilling Results

 

Drill Hole

From

To

Interval

Gold Assay

Vertical Depth(3)

Interpreted Zone

TYPE

 

 

m

m

m (1)

g/t Au(2)

m

 

Infill

ER16-591

227.7

229.2

1.5

1.14

193

450 W

232.0

234.1

2.1

2.83

197

450 W

incl. 233.1

234.1

1.0

4.97

 

450 W

Infill

ER16-593

242.1

246.5

4.4

2.03

200

450 W

incl. 245.5

246.5

1.0

4.08

 

450 W

269.5

270.0

0.5

15.2

220

450 W

271.5

276.0

4.5

0.96

228

450 W

incl.275.0

275.5

0.5

3.78

 

450 W

305.0

306.0

1.0

4.50

246

450 W

Infill

ER16-595

203.0

204.5

1.5

0.64

154

450 W

208.5

209.0

0.5

13.6

158

450 W

269.6

270.6

1.0

3.24

202

450 W

303.5

304.2

0.7

3.06

225

450 W

Infill

ER16-598

13.6

14.1

0.5

4.15

 9

450 W

196.3

198.0

1.7

1.17

137

450 W

Infill

ER16-601

42.4

44.5

2.1

0.91

36

450 W

Infill

ER16-602

110.8

113.8

3.0

1.09

92

450 W

221.5

222.2

0.7

35.3

182

450 W

270.0

271.9

1.9

2.95

221

450 W

incl. 270.0

270.5

0.5

7.22

 

450 W

Infill

ER16-605

209.5

210.0

0.5

2.14

159

450 W

 

 

 

 

 

 

 

 

Infill

ER16-606

156.6

158.6

2.0

2.90

135

450 W

166.6

167.1

0.5

1.29

143

450 W

219.6

221.9

2.3

43.1

188

450 W

incl. 220.2

221.2

1.0

96.8

   

224.0

225.0

1.0

3.56

192

450 W

248.0

248.7

0.7

2.34

211

450 W

273.2

273.7

0.5

1.57

233

450 W

275.6

276.2

0.6

1.41

235

450 W

Infill

ER16-608

190.6

193.6

3.0

6.36

164

450 W

incl. 192.1

192.6

1.0

26.4

 

450 W

197.1

197.6

0.5

2.04

168

450 W

Infill

ER16-609

184.0

185.0

1.0

1.50

142

450 W

Infill

ER16-610

51.3

51.8

0.5

7.11

48

450 W

61.3

61.8

0.5

4.10

57

450 W

142.0

144.0

2.0

1.05

132

450 W

149.0

150.0

1.0

1.37

138

450 W

187.0

187.5

0.5

4.65

172

450 W

Infill

ER16-613

203.5

205.1

1.6

2.03

183

450 W

216.0

216.5

0.5

1.13

194

450 W

240.4

245.0

4.6

4.02

218

450 W

incl. 240.4

241.4

1.0

7.93

 

450 W

Infill

ER16-614

144.0

146.6

2.6

2.78

115

450 W

incl. 144.5

145.5

1.0

4.13

 

450 W

Infill

ER16-616

103.5

104.2

0.7

3.21

75

450 W

128.3

130.0

1.7

2.15

92

450 W

Infill

ER16-617

78.3

78.8

0.5

1.18

66

450 W

111.9

117.5

5.5

1.12

97

450 W

152.0

152.5

0.5

2.84

128

450 W

202.1

205.6

3.5

15.8

171

450 W

incl. 204.8

205.6

0.8

66.6

 

450 W

211.2

211.7

0.5

8.90

178

450 W

223.2

224.2

1.0

8.50

189

450 W

260.8

261.8

1.0

2.70

220

450 W

 

Table 2: Snake Lake: Summary of Drilling Results

Drill Hole

From

To

Interval

Gold Assay

Vertical Depth(3)

Interpreted Zone

 

m

m

m (1)

g/t Au(2)

m

 

ER16-594

126.3

128.0

1.7

1.34

95

biotite, carbonate altered schist with quartz-tourmaline veining

ER16-596

57.0

58.5

1.5

1.14

39

foliated, altered basalt 5% sulphide

67.0

68.0

1.0

2.95

46

foliated, altered basalt tr. sulphide

80.6

81.6

1.0

6.38

55

biotite, carbonate altered basalt 5% sulphide

ER16-599

8.8

9.8

1.0

1.33

7

altered basalt 1-10% sulphide

29.0

33.0

4.0

1.45

21

quartz feldspar porphyry dyke in tuff 2-15% sulphide

incl. 29.0

30.0

1.0

3.74

 

41.3

41.8

0.5

5.14

29

sulphide mineralized tuff

46.8

48.8

2.0

1.01

33

sulphide mineralized tuff

66.9

67.9

1.0

4.02

47

mineralized basalt/tuff contact, 10% sulphide

163.5

166.0

2.5

2.45

113

quartz/tourmaline vein 5% sulphide

incl. 163.5

164.5

1.0

4.29

 

ER16-600

42.4

44.0

1.6

1.62

31

shear zone, 10% py.

ER16-607

85.5

86.5

1.0

2.30

61

quartz/tourmaline vein 5% sulphide

142.0

143.0

1.0

1.80

100

biotite/actinolite/tourmaline altered basalt

ER16-611

     

NSV

   

ER16-615

28.4

29.0

0.6

8.16

20

biotite, tourmaline altered schist, 15% sulphide

247.8

249.8

2.0

1.13

169

Altered basalt with quartz-epidote

ER16-622

     

NSV

   
  1. Intervals are presented in core length; true width will vary depending on the intersection angle of the hole with the targeted zone.  Holes are generally planned to intersect vein structures as close perpendicular as possible and true widths are estimated to be 75%-85% of downhole widths.
  2. For known mineralized zones, intervals are based on geological observations and limited compositing of veins.  Assays presented are not capped.  Intercepts occur within geological confines of major zones but have not been correlated to individual vein domains at this time.
  3. Vertical depth is measured from the surface to the mid-point of the reported interval.
 

Table 3: Hole Location Information

Target

Drill Hole

Azimuth

Inclin.

UTM Coordinates

Total Length

Elevation

Zone 18

 

Number

Deg.

Deg.

Easting

Northing

(m)

 

Eau Claire

ER16-591

355

-58

444891

5785064

297

305

Eau Claire

ER16-593

355

-56

444695

5784994

357

286

Eau Claire

ER16-595

355

-50

444913

5785043

324

301

Eau Claire

ER16-598

355

-45

444990

5785045

282

291

Eau Claire

ER16-601

355

-56

444966

5785069

393

295

Eau Claire

ER16-602

355

-55

444717

5785027

297

291

Eau Claire

ER16-605

355

-50

444938

5785122

249

304

Eau Claire

ER16-606

355

-60

444820

5785008

351

291

Eau Claire

ER16-608

355

-59

444845

5785004

375

291

Eau Claire

ER16-609

355

-52

444988

5785122

201

312

Eau Claire

ER16-610

355

-67

445023

5785049

249

301

Eau Claire

ER16-613

355

-65

445065

5785050

252

309

Eau Claire

ER16-614

355

-60

445066

5785076

201

314

Eau Claire

ER16-616

355

-46

445057

5785133

174

323

Eau Claire

ER16-617

355

-57

444897

5785008

351

291

Snake Lake

ER16-594

355

-50

446550

5785015

177

290

Snake Lake

ER16-596

355

-45

446664

5784944

225

294

Snake Lake

ER16-599

355

-45

446750

5785000

177

280

Snake Lake

ER16-600

355

-46

446850

5785000

201

280

Snake Lake

ER16-607

360

-45

447120

5784815

423

280

Snake Lake

ER16-611

360

-45

447419

5784823

216

280

Snake Lake

ER16-615

355

-45

447024

5784813

267

293

Snake Lake

ER16-622

355

-45

447195

5785040

186

265

 

The design of the Eastmain Resources’ drilling programs, Quality Assurance/Quality Control and interpretation of results is under the control of Eastmain’s geological staff, including qualified persons employing a strict QA/QC program consistent with NI 43-101 and industry best practices. The Clearwater project is supervised by Eastmain’s Project Geologist, Michel Leblanc P. Geo.

Drill core is logged and split with half-core samples packaged and delivered to ALS Minerals laboratory.  Samples are dried and subsequently crushed to 70% passing a 2 mm mesh screen. A 1000 gram subsample is pulverized to a nominal 85% passing 75 micron mesh screen. The remaining crushed sample (reject) and pulverized sample (pulp) are retained for further analysis and quality control. All samples are analysed by Fire Assay with an Atomic Absorption (AA) finish using a 50 gram aliquot of pulverized material. Assays exceeding 5 g/t Au are re?assayed by Fire Assay with a Gravimetric Finish. Eastmain regularly inserts 3rd party reference control samples and blank samples in the sample stream to monitor assay performance and performs duplicate sampling at a second certified laboratory. For 2016, approximately 10% of samples submitted are part of the Company’s laboratory sample control protocols.

This press release was compiled and approved by William McGuinty, P. Geo., Eastmain’s VP Exploration and Qualified Person under National Instrument 43?101.

About Eastmain Resources Inc. (TSX:ER)

Eastmain is a Canadian exploration company with 100% interest in the Eau Claire and Eastmain Mine gold deposits, both of which are located within the James Bay District of Quebec.  Clearwater, host of the Eau Claire deposit, is the Company’s core asset with access to superior infrastructure in a favourable mining jurisdiction.  Eastmain also holds a pipeline of exploration projects in this new Canadian mining district, including being a partner in the Éléonore South Joint Venture.

For more information: 

Claude Lemasson, President and CEO

+1 647-347-3765

lemasson@eastmain.com

 

Alison Dwoskin, Manager Investor Relations

+1 647-347-3735

dwoskin@eastmain.com

 

Forward- Looking Statements – Certain information set forth in this news release may contain forward-looking statements that involve substantial known and unknown risks and uncertainties. Forward-looking statements consist of statements that are not purely historical, including statements regarding beliefs, plans, expectations or timing of future plans, and include, but not limited to, statements with respect to the potential success of the Company’s future exploration and development strategies. These forward-looking statements are subject to numerous risks and uncertainties, certain of which are beyond the control of Eastmain, including, but not limited to the impact of general economic conditions, industry conditions, dependence upon regulatory approvals, the availability of financing, ‎timely completion of proposed studies and technical reports, and risks associated with the exploration, development and mining industry generally such as economic factors as they affect exploration, future commodity prices, changes in interest rates, safety and security, political, social or economic developments, environmental risks, insurance risks, capital expenditures, operating or technical difficulties in connection with development activities, personnel relations, the speculative nature of gold exploration and development, including the risks of diminishing quantities of grades of Mineral Resources, contests over property title, and changes in project parameters as plans continue to be refined. Readers are cautioned that the assumptions used in the preparation of such information, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, undue reliance should not be placed on forward-looking statements. The Company assumes no obligation to update