ORIENTAL INTERSECTS 441 METRES OF 0.10% MOS2 BENEATH 177 METRES OF 0.16% WO3 AT SANGDONG
Vancouver, BC December 14, 2007
FSC / Press Release
ORIENTAL INTERSECTS 441 METRES OF 0.10% MOS2 BENEATH 177 METRES OF 0.16% WO3 AT SANGDONG
Vancouver, British Columbia CANADA, December 14, 2007 /FSC/ - Oriental Minerals Inc. (TSX - VX: OTL, FWB: OZ4, OTCBB_Pink_Sheets: OMNLF), is pleased to announce further results from the Phase 2 drill program at the Sangdong tungsten-molybdenum project in South Korea. Drilling continues with several drill assays pending whilst a partial resource estimate is anticipated by the end of the year.
Willie McLucas, President and CEO of Oriental Minerals states, "These are some of the most significant results we have received to date. While assays continue to show that the deposit continues to grow richer and thicker as we move northward - we have now started to intersect a significantly thick and rich molybdenum zone that lies beneath the northern portion of the tungsten-rich skarn. The significance of today's results is the possibility of a poly-metallic, multi-zone deposit."
Highlights from diamond drilling results include:
* SD-20, 177 metres @ 0.16% WO3, and 441 metres @ 0.10 MoS2 including:
o 52 metres @ 0.23% WO3 (232m-284m) o 21 metres @ 0.36% WO3 (299m-320m) o 54 metres @ 0.18% MoS2 (303m-357m)
* SD-22, 141 metres @ 0.07% WO3, including:
o 11 metres @ 0.25% WO3 (38m-49m)
* SD-23, 183 metres @ 0.12% WO3 (41m-223m) including
o 28 metres @ 0.28% WO3 (80m-108m) o 7 metres @ 0.59% WO3 (126m-133m)
Waste Dump RC Assays: * SD-25, 16 metres @ 0.13% WO3 (4m-20m)
* SD-27, 16 metres @ 0.18% WO3 (1m-17m)
o 9 metres @ 0.15% MoS2 (1m-10m)
Four diamond rigs and 1 Reverse Circulation rig are currently operating as drilling continues to trace a relatively flat-lying, mineralized skarn covering an area of 1200 metres by 600 metres and 150-200 metres thick.
As at the end of November 2007, a total of 40 holes have been drilled with further assays pending.
This Phase 2 drilling is anticipated to be complete between April and May of 2008, depending on progress during the winter season. The first resource estimate is expected to be completed by the end of December.
SANGDONG PROJECT DRILLING
Results from the seven holes announced today are tabulated below based on a cut-off grade of 0.05% WO3.
SD-20 (Diamond hole) - 177m @ 0.16% WO3 (from 121m to 388m) including
-***-
From To Interval WO3 MoS2 Rock Type Hole (m) (m) (m) (%) (%) (Formation) -------------------------------------------------- Sedimentary Breccia / SD-20 232 284 52 0.23 Skarn (Myobong Slate) -------------------------------------------------- Sedimentary Breccia / SD-20 250 267 17 0.08 Skarn (Myobong Slate) -------------------------------------------------- SD-20 281 292 11 0.16 Skarn (Myobong Slate) -------------------------------------------------- SD-20 299 320 21 0.36 Skarn (Myobong Slate) -------------------------------------------------- SD-20 303 357 54 0.18 Skarn (Myobong Slate) -------------------------------------------------- SD-20 349 364 15 0.30 Skarn (Myobong Slate) -------------------------------------------------- SD-20 378 398 20 0.17 Skarn (Myobong Slate) -------------------------------------------------- SD-20 380 412 32 0.12 Skarn (Myobong Slate) -------------------------------------------------- SD-20 418 437 19 0.11 Quartzite (Jangsan) -------------------------------------------------- SD-20 443 471 28 0.15 Quartzite (Jangsan) -------------------------------------------------- SD-20 477 548 71 0.10 Quartzite (Jangsan) -------------------------------------------------- SD-20 557 590 33 0.08 Quartzite (Jangsan) -------------------------------------------------- SD-20 598 621 23 0.08 Quartzite (Jangsan) -------------------------------------------------- SD-20 634 674 40 0.12 Quartzite (Jangsan) -------------------------------------------------- SD-20 680 691 11 0.30 Quartzite (Jangsan) --------------------------------------------------
-****-
SD-20 also has Au, Ag & Cu intersections as follows
-***-
From To Interval Au Ag Cu Rock Type Hole (m) (m) (m) (g/t) (g/t) (%) (Formation) -------------------------------------------------- SD-20 12 19 7 23 0.23 Limestone (Pungchon) -------------------------------------------------- SD-20 60 74 14 86 0.91 Limestone (Pungchon) -------------------------------------------------- SD-20 301 311 10 0.36 Skarn (Myobong Slate) --------------------------------------------------
-****-
SD-22 (Diamond hole) - 141m @ 0.07% WO3 (from 0m to 141m) including
-***-
From To Interval WO3 MoS2 Rock Type Hole (m) (m) (m) (%) (%) (Formation) -------------------------------------------------- SD-22 0 5 5 0.25 Skarn (Myobong Slate) -------------------------------------------------- SD-22 38 49 11 0.25 Skarn (Myobong Slate) -------------------------------------------------- SD-22 79 119 40 0.09 Skarn (Myobong Slate) -------------------------------------------------- Skarn (Myobong Slate)/ SD-22 130 141 11 0.10 Quartzite (Jangsan) --------------------------------------------------
-****-
SD-23 (Diamond hole) - 182m @ 0.12% WO3 (from 41m to 233m) including
-***-
From To Interval WO3 MoS2 Rock Type Hole (m) (m) (m) (%) (%) (Formation) -------------------------------------------------- SD-23 41 53 12 0.19 Skarn (Myobong Slate) -------------------------------------------------- SD-23 58 71 13 0.11 Skarn (Myobong Slate) -------------------------------------------------- SD-23 80 108 28 0.28 Skarn (Myobong Slate) -------------------------------------------------- SD-23 95 105 10 0.13 Skarn (Myobong Slate) -------------------------------------------------- SD-23 126 133 7 0.59 Skarn (Myobong Slate) -------------------------------------------------- SD-23 143 148 5 0.11 Skarn (Myobong Slate) -------------------------------------------------- SD-23 168 181 13 0.17 Skarn (Myobong Slate) -------------------------------------------------- SD-23 234 247 13 0.09 Quartzite (Jangsan) -------------------------------------------------- SD-23 317 323 6 0.21 Quartzite (Jangsan) -------------------------------------------------- SD-23 401 409 8 0.30 Quartzite (Jangsan) --------------------------------------------------
-****-
SD-24 (RC Hole) - 109m @ 0.08% WO3 (from 37m to 146m) including
-***-
From To Interval WO3 MoS2 Rock Type Hole (m) (m) (m) (%) (%) (Formation) -------------------------------------------------- SD-24 37 53 16 0.15 Skarn (Myobong Slate) -------------------------------------------------- Skarn (Myobong Slate)/ SD-24 37 146 109 0.08 Quartzite (Jangsan) -------------------------------------------------- SD-24 67 77 10 0.24 Skarn (Myobong Slate) -------------------------------------------------- SD-24 86 92 6 0.10 Skarn (Myobong Slate) -------------------------------------------------- Skarn (Myobong Slate)/ SD-24 110 146 36 0.07 Quartzite (Jangsan) -------------------------------------------------- SD-24 179 184 5 0.13 Quartzite (Jangsan) -------------------------------------------------- SD-24 212 218 6 0.08 Quartzite (Jangsan) --------------------------------------------------
-****-
SD-25 (RC hole)
-***-
From To Interval WO3 MoS2 Rock Type Hole (m) (m) (m) (%) (%) (Formation) -------------------------------------------------- Mine Dump - Skarn SD-25 4 20 16 0.13 (Myobong Slate) --------------------------------------------------
-****-
SD-27 (RC hole)
-***-
From To Interval WO3 MoS2 Rock Type Hole (m) (m) (m) (%) (%) (Formation) -------------------------------------------------- Mine Dump - Skarn SD-27 1 10 9 0.15 (Myobong Slate) -------------------------------------------------- Mine Dump - Skarn SD-27 1 17 16 0.18 (Myobong Slate) --------------------------------------------------
-****-
Current Drill Status:
As at the end of November 2007, a total of 40 holes have been drilled
Currently, 4 diamond rigs and 1 Reverse Circulation rig are operational. The status of drilling, as at the end of November 2007, is listed below.
SD-29 Currently drilling at 781 m SD-38 Completed at 270 m SD-39 Currently drilling at 70 m SD-40 RC Completed at 40m SD-41 RC Completed at 91m SD-42 Currently drilling at 98m SD-43 Completed at 155m SD-44 Currently drilling at 70m SD-45 RC Completed at 143m SD-46 RC Currently drilling at 80m
Analytical results are awaited from the completed holes.
Updated Drill Program Map
To view an updated Drill Program Map, please go to: http://www.orientalminerals.com/s/MapPhotos.asp?ReportID=274062
QA/QC
Drill samples are 1-metre split PQ, HQ or NQ core or 1-metre split RC. The samples were prepared at the on-site preparation facility and pulps were submitted to ALS Chemex laboratory in Brisbane, Australia and analyzed by Ore Grade Method XRF-ME05, Au-AA21, ME-ICP41s and Ag-OG46.
Quality Control: Blanks, Standards and Coarse and Pulp Duplicates samples were routinely inserted with the drill samples at random intervals. Blank samples were clean, indicating no cross contamination in the samples. All results confirm analysis of Standards and Coarse Duplicates are within the normal bounds of acceptable error of +/- 5%. Pulp Duplicate samples processed by another independent laboratory are also within the normal bounds of acceptable error of +/- 5%.
QUALIFIED PERSON
This Press Release has been prepared by Oriental Minerals' Senior Geologist, Mr. Heyward Bates. Mr. Neil McLean, a member of the AusIMM with over twenty-five years' relevant experience, is the Qualified Person for the purposes of this release.
On behalf of the Board of Directors, Willie McLucas President, CEO and Director + 44 7881 816 980
For More Information Contact:
Spiro Kletas Investor Relations 1-604-681-5755
www.orientalminerals.com
Statements in this news release, other than purely historical information, including statements relating to the Company's future plans and objectives or expected results, constitute Forward-looking statements. Such statements are based on numerous assumptions and are subject to all the risks and uncertainties inherent in the Company's business, including risks related to mineral exploration and development. Consequently, actual results may vary materially from those described in the forward-looking statements.
The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.
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