Mining Rights and State Control: Resolving Disputes in the Diwalwal Gold Rush Area

The Diwalwal Gold Rush Area in Mt. Diwata, Mindanao, has been a source of conflict since the mid-1980s. Competing claims between large-scale mining corporations and small-scale miners, coupled with environmental and peace-and-order concerns, created a legal tangle that reached the Supreme Court. In Moncayo Integrated Small-Scale Miners Association, Inc. v. Southeast Mindanao Gold Mining Corp. (G.R. No. 149638, December 10, 2014), the Court resolved the dispute by declaring the cases moot due to supervening events, while clarifying the legal framework governing mining rights and state control over the country's mineral resources.

The Facts of the Case

The controversy centered on a 729-hectare portion within the Agusan-Davao-Surigao Forest Reserve. In 1985, Marcopper Mining Corporation obtained a prospecting permit covering 4,941 hectares, followed by an exploration permit (EP 133) in 1986. In 1994, Marcopper assigned EP 133 to Southeast Mindanao Gold Mining Corporation (SMGMC), which later applied for a Mineral Production Sharing Agreement (MPSA).

Meanwhile, DENR Administrative Order No. 66 (1991) declared 729 hectares of the forest reserve as open for small-scale mining. The Mines Adjudication Board (MAB) excluded this area from SMGMC's MPSA application, and the Provincial Mining Regulatory Board (PMRB) later declared it a People's Small Scale Mining Area. The DENR Secretary affirmed this with modifications, dividing the area into blocks for different mining groups.

The Issue

The central question was whether the DENR Secretary acted within his authority in modifying the PMRB's decision, and whether the Court of Appeals erred in setting aside the DENR Secretary's ruling. However, before the Supreme Court could decide these issues, significant developments occurred that changed the legal landscape entirely.

The Ruling: Moot and Academic

The Supreme Court declared the petitions moot and academic. Two key developments rendered the cases moot:

First, in Apex Mining v. SMGMC (G.R. Nos. 152613, 152628, 152619-20, 152870-71, June 23, 2006), the Court declared that EP 133 had expired and its transfer to SMGMC was void. The Court also affirmed that DAO No. 66 was illegal for having been issued in excess of the DENR Secretary's authority. This meant SMGMC had no basis to claim rights over the disputed area, and the PMRB and DENR Secretary's decisions lacked legal foundation.

Second, President Macapagal-Arroyo issued Proclamation No. 297 (November 25, 2002), excluding 8,100 hectares from the forest reserve and declaring it a mineral reservation and environmentally critical area. This was followed by DENR Administrative Order No. 2002-18, which declared an emergency and stopped all mining operations in the area.

The Legal Framework for Mining Disputes

Although the cases were mooted, the Court took the opportunity to clarify the roles of different agencies in mining regulation:

Mines Adjudication Board (MAB) – Under Section 77 of the Philippine Mining Act of 1995 (RA 7942), the MAB has exclusive original jurisdiction over disputes involving rights to mining areas, mineral agreements, and permits. Its jurisdiction is quasi-judicial in nature.

Provincial Mining Regulatory Board (PMRB) – Created under the People's Small-Scale Mining Act of 1991 (RA 7076), the PMRB exercises executive functions, including declaring and segregating gold-rich areas for small-scale mining. Under Section 24 of RA 7076, it operates under the "direct supervision and control" of the DENR Secretary.

DENR Secretary – Section 26 of RA 7076 gives the Secretary direct supervision and control over the small-scale mining program. The Court distinguished "supervision" from "control": supervision means overseeing that subordinate officers perform their duties, while control means the power to alter, modify, or nullify what a subordinate officer has done and to substitute the superior's judgment. Since the DENR Secretary has control, he had the power to affirm with modification the PMRB's decision.

The Executive Department – The Constitution mandates that the exploration, development, and utilization of natural resources shall be under the full control and supervision of the State. The President may establish mineral reservations when national interest requires, as was done through Proclamation No. 297.

Practical Takeaways

• The State retains control over mineral resources. Mining rights are not absolute; they are subject to the State's constitutional mandate to control and supervise natural resource utilization.

• A permit's validity matters. An expired or improperly transferred exploration permit confers no rights. In this case, EP 133's expiration and void transfer meant SMGMC had no claim over the area.

• Agency powers are distinct. The MAB settles mining disputes, while the PMRB declares and segregates small-scale mining areas. The DENR Secretary exercises control over the PMRB's decisions.

• Supervening events can moot cases. Government actions, such as proclamations declaring mineral reservations, can render ongoing disputes moot.

• Small-scale mining is regulated, not unrestricted. Areas for small-scale mining must be properly declared, and miners must comply with RA 7076 and applicable regulations.

This article is general information and not legal advice. For your specific situation, consult a lawyer or ask ASG Legal AI.