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Message: First 2009 Drill Results Continue to Expand Sabodala Gold Deposits
| April 14, 2009 | |||||
| Oromin Explorations Ltd.: First 2009 Drill Results Continue to Expand Sabodala Gold Deposits-Wide-Spread High-Grade Assays Reported at Kerekounda Deposit | |||||
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VANCOUVER, BRITISH COLUMBIA--(Marketwire - April 14, 2009) - Oromin Explorations Ltd. (TSX:OLE)(OTCBB:OLEPF) - HIGHLIGHTS - FIVE DRILLS CONTINUE WORKING AT SEVERAL OJVG GOLD DEPOSITS - SRK'S PRE-FEASIBILITY STUDY CONTINUES ON SCHEDULE TOWARDS Q3 COMPLETION - SUCCESSFUL DEEP DRILLING RESULTS RETURNED FROM GOLOUMA SOUTH, GOLOUMA WEST AND KEREKOUNDA DEPOSITS - OXIDE POTENTIAL EXPANDS AT MASATO AND MAKI MEDINA DEPOSITS - LATEST DRILLING RESULTS INCLUDE: -- 13 metres of 10.2 g/t gold in DH-426 at Kerekounda -- 10 metres of 8.52 g/t gold in DH-414 at Kerekounda -- 14 metres of 11.23 g/t gold in RC-521 at Kerekounda -- 12 metres of 15.33 g/t gold in RC-535 at Kerekounda -- 9 metres of 12.79 g/t gold in RC-555 at Golouma South -- 10 metres of 8.59 g/t gold in DH-429 at Golouma West -- 5 metres of 46.90 g/t gold in DH-430 at Golouma West -- 9 metres of 13.39 g/t gold in DH-434 at Golouma West -- 15 metres of 2.17 g/t gold in RC-505 at Masato -- 13 metres of 1.53 g/t gold and 16 metres of 1.76 g/t gold at Masato -- 22 metres of 1.44 g/t gold at Maki Medina Oromin Explorations Ltd. ("Oromin"), on behalf of the Oromin Joint Venture Group ("OJVG"), is pleased to announce additional results from the ongoing step-out and in-fill drilling program at its Sabodala Gold Project in eastern Senegal. The majority of 2009 drilling to date has focused on the lateral and vertical expansion to the high-grade Kerekounda gold deposit, as well as resource expansion drilling at each of the Golouma West, Golouma South and Masato gold deposits. Drilling at the Maki Medina gold deposit continues to delineate a near surface, oxidized zone of gold mineralization. Favourable results at each of these deposits will expand the previously announced inferred mineral resource estimate of 2.26 million ounces of gold (see February 27, 2009 press release) calculated for the Masato, Golouma South, Golouma West and Kerekounda deposits. Our 2009 Pre-Feasibility Study being undertaken by SRK Consulting is proceeding on schedule with metallurgical, hydrological, geotechnical, resource evaluation, infrastructure/site development and environmental programs under way and ongoing. KEREKOUNDA DEPOSIT As the following table indicates, favourable widths and high-grade results continue at the Kerekounda gold deposit, a continuous shear-hosted vein system for which significant results are now available over a minimum 300-metre strike extent and a minimum down-dip extent of 300-metres, as established by DH-426 and DH-428. Oromin management continues to be encouraged by this early-stage drilling success at Kerekounda. Based on the present geometry, continuity and high-grade nature of results received to-date, Oromin considers Kerekounda to be an attractive, early-stage combined open pit and underground mining opportunity that will enhance and complement previously announced preliminary resources at the Masato, Golouma West and Golouma South gold deposits. The following table outlines the significant drilling results recently received from Kerekounda, which include numerous highly encouraging high-grade values: --------------------------------------------------------------------------
Grid Azimuth/ From - To Interval Gold
Drill Hole Co-ordinate Dip (m) (m) (g/t)
--------------------------------------------------------------------------
DH-413 54639N/5474E 060/-60 67-69 2 47.10
incl.68-69 1 92.40
--------------------------------------------------------------------------
DH-414 54593N/5409E 060/-60 150-160 10 8.52
incl.156-159 3 21.29
--------------------------------------------------------------------------
DH-415 54616N/5441E 060/-60 116-121 5 12.22
incl.119-120 1 34.36
--------------------------------------------------------------------------
DH-416 54566N/5381E 060/-60 146-148 2 3.40
181-191 10 4.45
incl.183-184 1 17.58
200-201 1 10.48
225-227 2 7.99
--------------------------------------------------------------------------
DH-417 54711N/5430E 060/-60 83-85 2 35.32
incl.83-84 1 68.09
--------------------------------------------------------------------------
DH-418 54600N/5376E 060/-60 169-170 1 84.22
173-182 9 7.79
incl.178-179 1 40.79
--------------------------------------------------------------------------
DH-419 54692N/5395E 060/-60 119-123 4 7.97
incl.119-120 1 20.16
--------------------------------------------------------------------------
DH-421 54570N/5446E 060/-60 97-99 2 7.61
141-143 2 19.31
148-149 1 16.14
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DH-424 54655N/5415E 060/-60 112-116 4 14.89
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DH-425 54546N/5414E 060/-60 186-189 3 5.89
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DH-426 54588N/5255E 060/-60 287-300 13 10.12
--------------------------------------------------------------------------
DH-427 54550N/5289E 060/-60 285-292 7 10.75
--------------------------------------------------------------------------
DH-428 54622N/5236E 060/-60 296-301 5 6.26
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RC-513 54658N/5378E 060/-60 140-146 6 11.16
--------------------------------------------------------------------------
RC-514 54625N/5363E 060/-60 166-173 7 6.69
177-179 2 17.05
--------------------------------------------------------------------------
RC-515 54661N/5343E 060/-60 168-175 7 11.29
incl.168-169 1 65.72
--------------------------------------------------------------------------
RC-517 54632N/5425E 060/-60 221-223 2 10.82
incl.221-222 1 19.78
--------------------------------------------------------------------------
RC-519 54560N/5500E 060/-60 115-119 4 14.68
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RC-520 54560N/5500E 060/-60 91-96 5 22.62
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RC-521 54646N/5398E 060/-60 137-151 14 11.23
incl.147-151 4 25.54
--------------------------------------------------------------------------
RC-525 54685N/5468E 060/-60 48-60 12 6.47
incl.49-52 3 16.97
--------------------------------------------------------------------------
RC-529 54559N/5500E 060/-60 54-57 3 4.47
--------------------------------------------------------------------------
RC-531 54610N/5425E 060/-60 133-140 7 18.92
incl.135-136 1 94.44
--------------------------------------------------------------------------
RC-532 54580N/5395E 060/-60 167-170 3 6.55
incl.168-169 1 17.30
175-177 2 12.91
192-197 5 8.96
incl.193-195 2 19.03
--------------------------------------------------------------------------
RC-533 54615N/5510E 060/-60 24-26 2 8.79
53-56 3 4.59
60-65 5 3.24
incl.64-65 1 10.79
--------------------------------------------------------------------------
RC-534 54536N/5466E 060/-60 94-97 3 8.04
--------------------------------------------------------------------------
RC-535 54627N/5458E 060/-60 86-98 12 15.33
incl.93-97 4 33.90
--------------------------------------------------------------------------
RC-548 54450N/5505E 060/-50 58-60 2 3.95
--------------------------------------------------------------------------
RC-551 54484N/5490E 060/-60 91-93 2 7.86
--------------------------------------------------------------------------
RC-562 54667N/5314E 060/-65 207-217 10 3.91
incl.207-208 1 20.92
236-237 1 21.06
--------------------------------------------------------------------------
RC-563 54641N/5308E 060/-60 211-214 3 13.30
--------------------------------------------------------------------------
RC-564 54605N/5328E 060/-60 217-224 7 13.88
incl.222-223 1 52.67
--------------------------------------------------------------------------
RC-565 54588N/5338E 060/-60 200-203 3 11.51
216-221 5 11.29
incl.216-217 1 26.22
--------------------------------------------------------------------------
RC-566 54684N/5304E 060/-60 192-198 6 6.13
incl.192-193 1 28.28
--------------------------------------------------------------------------
Mineralized intervals are based on 1-metre composite samples utilizing a
1.0 g/t gold cut-off level with a maximum internal dilution of 2 metres.
The attitude of mineralized intervals varies and reported mineralized
intersections may not represent true widths.
Only three additional drill holes were completed at the Golouma South gold deposit in early 2009, as recommended by SRK Consulting in conjunction with the ongoing Pre-Feasibility Study. The following table outlines these drilling results, including the deepest mineralization intersected to date in RC-557: --------------------------------------------------------------------------
Grid Azimuth/ From - To Interval Gold
Drill Hole Co-ordinate Dip (m) (m) (g/t)
--------------------------------------------------------------------------
RC-555 52593N/4999E 110/-64 159-168 9 12.79
incl.159-160 1 40.16
--------------------------------------------------------------------------
RC-556 53002N/4985E 110/-61 123-125 2 1.73
208-211 3 6.11
--------------------------------------------------------------------------
RC-557 53058N/4955E 110/-59 248-265 17 3.50
incl.257-263 6 8.01
--------------------------------------------------------------------------
Mineralized intervals are based on 1-metre composite samples utilizing a
0.5 g/t gold cut-off level with a maximum internal dilution of 2 metres.
No cutting of gold assays has been employed for reported intervals. The
attitude of mineralized intervals varies and reported mineralized
intersections may not represent true widths.
A total of eight additional drill holes were completed at the Golouma West gold deposit in early 2009, as recommended by SRK Consulting in conjunction with the ongoing Pre-Feasibility Study. As at Golouma South, these holes represented some of the deepest mineralization intersected to date in the central portion of the Golouma West deposit. The following table outlines the significant drilling results from this limited drilling: --------------------------------------------------------------------------
Grid Azimuth/ From - To Interval Gold
Drill Hole Co-ordinate Dip (m) (m) (g/t)
--------------------------------------------------------------------------
DH-429 53328N/4639E 015/-58 262-272 10 8.59
incl.266-269 3 23.94
279-286 7 2.03
incl.279-181 2 5.09
--------------------------------------------------------------------------
DH-430 53299N/4673E 015/-60 283-288 5 46.90
incl.284-285 1 165.60
--------------------------------------------------------------------------
DH-431 53329N/4680E 015/-60 247-259 12 7.06
--------------------------------------------------------------------------
DH-434 53265N/4706E 015/-60 304-313 9 13.39
incl.304-305 1 35.00
--------------------------------------------------------------------------
RC-559 53261N/4786E 015/-59 245-248 3 2.65
--------------------------------------------------------------------------
Mineralized intervals are based on 1-metre composite samples utilizing a
0.5 g/t gold cut-off level with a maximum internal dilution of 2 metres.
No cutting of gold assays has been employed for reported intervals. The
attitude of mineralized intervals varies and reported mineralized
intersections may not represent true widths.
Seventeen drill holes recommended by SRK Consulting are currently under way at the Masato deposit as part of the ongoing Pre-Feasibility Study. Results are pending. Favourable results from two previous drill holes, RC-505 and RC-506, completed at the southern portion of the Masato deposit should expand and enhance the oxide mineralization component of this extensive deposit. Both of these recent holes intersect good thicknesses of oxide gold mineralization to considerable depth, as outlined in the following table: --------------------------------------------------------------------------
Grid Azimuth/ From - To Interval Gold
Drill Hole Co-ordinate Dip (m) (m) (g/t)
--------------------------------------------------------------------------
RC-505 58980N/4555E 110/-50 29-44 15 2.17
incl.30-38 8 3.62
57-66 9 1.24
--------------------------------------------------------------------------
RC-506 59055N/4585E 110/-50 1-6 5 1.10
12-25 13 1.53
incl.12-19 7 2.32
65-67 2 1.58
72-88 16 1.76
incl.72-79 7 2.83
96-100 4 1.59
--------------------------------------------------------------------------
Mineralized intervals are based on 1-metre composite samples utilizing a
0.25 g/t gold cut-off level with a maximum internal dilution of 2 metres.
No cutting of gold assays has been employed for reported intervals. The
attitude of mineralized intervals varies and reported mineralized
intersections may not represent true widths.
The Maki Medina deposit is coincident with a gold-in-soil geochemical anomaly covering approximately 1.2 kilometres in strike extent. To date, the northern 400 metres has returned the most favourable drill results. Previously released results from Maki Medina included 2.51 g/t gold over 13 metres in DH-394, 2.30 g/t gold over 11 metres in DH-395 and 1.85 g/t gold over 10 metres in RC-433. Much of the mineralization identified thus far at Maki Medina is oxide in nature, which is potentially heap leachable, similar to a significant portion of the Masato deposit mineralization. The following table outlines the significant results recently received from Maki Medina: --------------------------------------------------------------------------
Grid Azimuth/ From - To Interval Gold
Drill Hole Co-ordinate Dip (m) (m) (g/t)
--------------------------------------------------------------------------
DH-406 54101N/2075E 110/-50 8-15 7 2.43
49-55 6 4.39
--------------------------------------------------------------------------
RC-549 54177N/2098E 110/-50 50-61 11 1.22
incl.55-60 5 1.82
--------------------------------------------------------------------------
RC-550 54149N/2049E 110/-50 8-30 22 1.44
incl.8-16 8 2.69
--------------------------------------------------------------------------
RC-571 54149N/2049E 110/-70 65-71 6 1.12
--------------------------------------------------------------------------
RC-572 54111N/2036E 110/-50 64-66 2 1.55
79-84 5 2.24
--------------------------------------------------------------------------
Mineralized intervals are based on 1-metre composite samples utilizing a
0.25 g/t gold cut-off level with a maximum internal dilution of 2 metres.
No cutting of gold assays has been employed for reported intervals. The
attitude of mineralized intervals varies and reported mineralized
intersections may not represent true widths.
Oromin's further and ongoing 2009 drilling plans include an aggressive evaluation to expand the high-grade Kerekounda gold deposit, to outline and define oxide mineralization potential at various other known gold deposits, and to initiate the systematic evaluation of other structural-geochemical targets throughout the Golouma-Kerekounda region. Technical supervision Doug Turnbull, P. Geo., is a qualified person for the purposes of National Instrument 43-101, and has verified the data disclosed in this news release. William Bond, P. Geo., is also a qualified person for the purposes of National Instrument 43-101, and has supervised geologic field procedures. TSL Laboratories in Saskatoon carried out all assaying under industry-standard QA/QC procedures. To find out more about Oromin Explorations Ltd., visit www.oromin.com. Please refer to the maps which set out the Sabodala deposits and zones under "investor info/articles and reports" on the website, and our previous news releases, for additional project information. On behalf of the Board of Directors of OROMIN EXPLORATIONS LTD. Chet Idziszek, President |
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