17.0 m Grading 17.95 g/t Gold, 20.5 g/t Silver, 0.12 % Copper and 2.75% Zinc
VANCOUVER, BRITISH COLUMBIA--(Marketwired - June 3, 2013) - Calibre Mining Corp. (TSX VENTURE:CXB) (the "Company" or "Calibre") is pleased to provide a further update on the Company's exploration activities and recent discoveries at the 100% owned high grade Montes de Oro gold project on the Borosi Concessions, northeast Nicaragua.
Highlights
President and CEO, Greg Smith stated, "Calibre's on-going exploration in the 100% owned Siuna Gold District continues to return impressive results. Trenching at the Montes de Oro gold project has returned some of the highest gold values ever reported in this historic mining district. Calibre plans to conduct additional trenching to assist in delineating high grade gold mineralization at Montes de Oro which occurs within a strong, coincident gold, copper, lead, zinc soil anomaly measuring 400 metres by 650 metres."
Trench MTR13-019 is located approximately 25 metres southwest of trench MTR13-009 and is an extension of the previously released Pit #11 which returned a 2.00 metres channel sample grading 27.18 g/t Au. Gold assays within the high grade 17.0 metre intercept in trench MTR13-009 are distributed continuously over the intercept ranging between 3.89 and 45.4 g/t Au averaging 17.95 g/t Au and the high grade gold zone remains open for further expansion (see table below).
The Montes de Oro gold project was discovered by Calibre through prospecting, stream sediment sampling and a soil survey which delineated a strong coincident Gold-Silver-Copper-Lead-Zinc anomaly over a 400 metre by 650 metre area which remains open. Detailed mapping and excavation of trenches and pits has defined a variably shaped diorite body intruding porphyritic andesite as well as minor siltstone and limestone which is similar geology as found at the 2.3 million ounce past producing La Luz gold mine. A strong, steeply dipping northeast oriented fault system bounds the prospect to the south and appears to have concentrated fluids resulting in extensive propylitic and skarn-style alteration and the development of a 200 metre by 500 metre northeast oriented gossan zone containing areas of massive sulphides.
Montes de Oro Project - Trench Results for MTR13-009 and MTR13-019
Trench ID | Trench (m | ) | From (m | ) | To (m | ) | m | Au (g/t | ) | Ag (g/t | ) | Cu (% | ) | Zn (% | ) | |
MTR13-009 | 0.0 | 26.2 | 26.2 | 12.54 | 15.63 | 0.097 | 2.32 | |||||||||
26.2 | 0.0 | 17.0 | 17.0 | 17.95 | 20.51 | 0.124 | 2.75 | |||||||||
2.0 | 11.0 | 9.0 | 23.31 | 21.88 | 0.120 | 0.224 | ||||||||||
MTR13-019 | 2.5 | 22.0 | 19.5 | 3.91 | 7.12 | 0.048 | 0.224 | |||||||||
22.0 | 4.8 | 21.0 | 16.2 | 4.68 | 6.85 | 0.050 | 0.221 | |||||||||
9.0 | 15.0 | 6.0 | 10.14 | 9.06 | 0.049 | 0.198 |
The 100% Calibre owned Cerro Aeropuerto Deposit hosts a NI 43-101 compliant Inferred resource of;
Tonnes | Grade (Au g/t |
) | Grade (Ag g/t |
) | Grade (Aueq g/t |
) | Contained Au (ounces | ) | Contained Ag (ounces | ) | Contained Aueq (ounces | ) |
6,052,000 | 3.64 | 16.16 | 3.89 | 707,750 | 3,144,500 | 757,000 |
Updated maps detailing the result of the current exploration programs will be posted on the Company's web site at www.Calibremining.com.
Quality assurance and quality control procedures include the systematic insertion of blanks, standards and duplicates into the rock sample strings. Samples are placed in sealed bags and shipped directly to Acme Labs in Managua, Nicaragua for sample preparation and then to Acme Labs in Vancouver, Canada for gold fire assay and ICP multi element analyses. The technical content in this news release was read and approved by Gregory Smith, P.Geo, President and CEO of the Company who is the Qualified Person as defined by NI 43-101.
About Calibre Mining Corp.
Calibre controls a 100% interest in 429 km2 of mineral concessions and additionally, Calibre has joint venture exploration programs underway with B2Gold Corp. on 322.3 km 2 of concessions which include the Primavera gold-copper porphyry discovery and Alder Resources Ltd. on the 33.6 km2 Rosita gold-copper-silver project. Major shareholders of Calibre include gold producer B2Gold and investment fund Sun Valley Gold.
Calibre Mining Corp.
Greg Smith, P.Geo., President and CEO
Individual Sample Assay Results Trench MTR13-019 Montes de Oro Gold Project
Trench ID | From_m | To_m | m | Au_g/t | Ag_g/t | Cu_ppm | Fe_% | Zn_ppm | |||||||
MTR13-009 | 0.00 | 1.00 | 1.0 | 6.71 | 5.8 | 1254 | 30.73 | 247 | |||||||
MTR13-009 | 1.00 | 2.00 | 1.0 | 9.77 | 16.4 | 1329 | 28.72 | 250 | |||||||
MTR13-009 | 2.00 | 3.00 | 1.0 | 25.20 | 39.5 | 1674 | 30.63 | 428 | |||||||
MTR13-009 | 3.00 | 4.00 | 1.0 | 19.60 | 33.7 | 962 | 26.74 | 346 | |||||||
MTR13-009 | 4.00 | 5.00 | 1.0 | 17.40 | 27.4 | 911 | 29.23 | 410 | |||||||
MTR13-009 | 5.00 | 6.00 | 1.0 | 16.50 | 11.7 | 735 | 27.12 | 334 | |||||||
MTR13-009 | 6.00 | 7.00 | 1.0 | 25.90 | 12.4 | 1233 | 23.09 | 193 | |||||||
MTR13-009 | 7.00 | 8.00 | 1.0 | 45.40 | 19.5 | 1599 | 24.70 | 1124 | |||||||
MTR13-009 | 8.00 | 9.00 | 1.0 | 26.20 | 20.1 | 1539 | 26.30 | 467 | |||||||
MTR13-009 | 9.00 | 10.00 | 1.0 | 20.40 | 17.4 | 755 | 36.52 | 870 | |||||||
MTR13-009 | 10.00 | 11.00 | 1.0 | 13.20 | 15.2 | 1382 | 28.17 | 16000 | |||||||
MTR13-009 | 11.00 | 12.00 | 1.0 | 3.89 | 14.1 | 759 | 23.70 | 63700 | |||||||
MTR13-009 | 12.00 | 13.00 | 1.0 | 10.90 | 28.1 | 1560 | 30.87 | 15500 | |||||||
MTR13-009 | 13.00 | 14.00 | 1.0 | 8.19 | 16.3 | 1173 | 27.53 | 68800 | |||||||
MTR13-009 | 14.00 | 15.00 | 1.0 | 11.10 | 19.1 | 1388 | 27.42 | 102800 | |||||||
MTR13-009 | 15.00 | 16.00 | 1.0 | 37.40 | 37.4 | 1294 | 26.62 | 125300 | |||||||
MTR13-009 | 16.00 | 17.00 | 1.0 | 7.39 | 14.6 | 1554 | 26.96 | 70100 | |||||||
MTR13-009 | 17.00 | 18.00 | 1.0 | 2.58 | 10.8 | 1126 | 21.58 | 54900 | |||||||
MTR13-009 | 18.00 | 19.00 | 1.0 | 2.16 | 11.2 | 259 | 18.40 | 10500 | |||||||
MTR13-009 | 19.00 | 20.00 | 1.0 | 0.52 | 4.0 | 116 | 8.81 | 4157 | |||||||
MTR13-009 | 20.00 | 21.00 | 1.0 | 0.63 | 2.0 | 280 | 15.67 | 4995 | |||||||
MTR13-009 | 21.00 | 22.00 | 1.0 | 5.84 | 9.3 | 505 | 21.82 | 18900 | |||||||
MTR13-009 | 22.00 | 23.00 | 1.0 | 6.67 | 6.8 | 442 | 21.95 | 18600 | |||||||
MTR13-009 | 23.00 | 24.00 | 1.0 | 1.58 | 3.8 | 565 | 23.84 | 23400 | |||||||
MTR13-009 | 24.00 | 25.00 | 1.0 | 0.89 | 2.6 | 307 | 25.58 | 4167 | |||||||
MTR13-009 | 25.00 | 26.20 | 1.2 | 2.14 | 8.5 | 576 | 19.03 | 618 |
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Contact Information: