Our History

MMC started work at the Placer Project in the mid 1970's after taking over the former grounds of East Mindanao Mining Company (EMMC), Mapaso Goldfields and Surigao Suyoc Mines. EMMC started mining the property in 1936 with a 100-tpd straight cyanidization mill capacity, which increased to 200 tpd just prior to the outbreak of World War II. Operations ceased soon after. MMC took over in early the 1970's, producing, until 1982, a total of 82,683 tonnes of ore averaging 7.46 g/t gold. Mining method switched from underground to open- cut mining by late 1982.

The Placer Project is located in the municipality of Placer, province of Surigao del Norte, and lies at the center of the well-known Surigao Mineral District. The area may be reached from both Surigao City and Butuan City via some 32 and 102 km of concrete road respectively. Daily commercial flight to and from Manila is being serviced by the Philippine Airlines using Butuan airport. Surigao airport is another facility but is limited to light aircraft.

Both underground and open pit ores were initially treated in the mill employing the Carbon-In- Pulp (CIP) process at 250 tpd. This gradually increased to a maximum of 1500 tpd. Heap leaching was later adapted to process the lower grade ore in 1989. The original mill ceased commercial operation in early 1995 as operating costs increased, and a new mill was commissioned, designed for a 3000-tpd operation. The new mill reached a peak capacity of 10,000 tpd using CIP/CIL process to extract the gold. At this time, the major source of gold ore was the Heine pit supplemented by ore from the Ntina, Suyoc, Reno-Emma and other minor areas. Heine was a comparatively easy to extract open pit operation and the ore is metallurgically clean and ideal for the Carbon in Pulp (CIP) gold recovery process. Figure 1 charts MMC's 23-year extraction history while Table 1 shows the 23-year extraction statistics by pits.

MMC has contributed significant revenues to the national and local governments in the form of taxes, fees and duties. Excise taxes alone from 1975 to 2001 amounted to _ _ _.

On 25 July 2001, MMC shut down its Placer Project due to the expiration of the Temporary Authority to construct and operate Tailings Pond No.7 (TP-7) issued by the EMB-CARAGA. This has caused a reduction of manpower to less than a fifth of the total workforce of more than 500. Thereafter, activities have been limited to exploration and securing the Company's assets.

Manila Mining Corporation's 23-Year Extraction History & Statistics by Pits
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