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Selinsing mine, Malaysia

18th January 2013

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor

  

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Name: Selinsing mine.

Location: The Selinsing mine project is located in the Malaysian state of Pahang.

Controlling Company: Monument Mining.

Brief History: Mining at Selinsing began in the 1880s and was operated intermittently through to 1996. Underground and opencut mining, together with tailings treatment, produced about 85 000 oz of gold during this period. Monument Mining acquired the Selinsing property in June 2007. A preliminary assessment report was completed in November of the same year, with a construction decision on the project in October 2008. The mine achieved first gold pour from the gravity circuit in October 2009. The construction of a carbon-in-leach circuit was completed in June 2010 and commercial production was declared in September 2010. Expansion of the processing plant from 400 000 t/y to one-million tons a year was completed in June 2012. The tailings storage facility was also enlarged during fiscal 2012 to accommodate one million tons a year for a period of ten years.

Brief Description: Selinsing is located about two hours drive from Kuala Lumpur, the capital of Malaysia on a sealed highway in Pahang state, which is the largest gold producing state in Malaysia.

Mining Method: Openpit.

Major Infrastructure and Equipment: The Selinsing project is accessed by sealed roads from the regional centres of Kuala Lupis, 30 km to the east and Raub 65 km to the south. A 33kV national grid power line runs past the leases.

Besides a 1 200 t/d gold treatment plant; a tailings storage facility, with capacity to store a 16-month tailing discharge from the processing plant, a crusher, a primary ball mill, leach tanks, a gold room, a detox circuit, tailing pipelines and a pumping system, the site has office buildings, workshops and other miscellaneous heavy equipment.

Products: Gold.

Geology/Mineralisation: The Selinsing deposit occurs along the north striking Raub Bentong Suture, a major tectonic feature that runs through peninsular Malaysia. The deposit is hosted by a series of auriferous quartz veins and stock works of quartz veinlets in a package of sheared calcareous epiclastic sediments.

The area surrounding Selinsing has a rich endowment of gold mineralisation, with two nearby mines, Raub and Penjom, each both having production and resources of more than one-million ounces, indicating the regional potential of the Raub Bentong Suture.

Gold mineralisation is in the form of very fine gold particles commonly associated with pyrite and arsenopyrite and rarely with chalcopyrite. Coarse visible gold occurs in quartz veins within the shear zone and these can have gold grades of more than an ounce a ton. These high-grade quartz veins can be mote than a metre in true thickness and are quite continuous along strike and down-dip.

These veins have been traced up to 300 m along strike and more than 200 m downdip. Lower-grade gold mineralisation is found in the intensely deformed and crushed haloes around the quartz veins within the shear zone. Disseminated pyrite mineralisation in the crushed country rock in the shear zone is common and this mineral, along with the presence of euhedral arsenopyrite, is a good indicator of higher gold grades.

Resources: Total indicated mineral resources as at December 2006, were 4.82-million tons at 1.49 g/t gold, using a cutoff of 0.59 g/t gold. Total inferred mineral resources were 10.32-million tons at a grade of 1.17 g/t gold.

Prospects: An updated Selinsing resource is expected to be completed by December 2012. Drilling is ongoing.

Contact Person: Investor relations, Richard Cushing.

Contact Details:
Monument Mining
Tel +1 604 638 1661 (ext 102)
Fax +1 604 638 1663
Email rcushing@monumentmining.com
Website www.monumentmining.com

Edited by Tracy Klückow
Creamer Media Contributing Editor

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