Mining Rocks & Minerals – Comprehensive Study Notes

Inspirational & Opening Messages

  • "Love and gratitude to You, source of life… In You, we are safe, AMEN."- Establishes a tone of reverence and gratitude.

  • Cartoon & meme slides ("KEEP MINING, BOYS… THERE’S GOTTA BE KARMA HERE SOMEWHERE")- Serve as light-hearted ice-breakers while hinting at ethical reflections on mining.

  • Poster-type reminders:- Speak even when your voice shakes – empowers stakeholder engagement.

    • You have the power to protect your peace – mental-health tie-in.

    • Slow progress is still progress – reinforces incremental learning.

    • "You shine bright like a diamond – Find your pace and start from there" – metaphor linking human potential to mineral value.

School Mantra: Nihil Sine Fide

  • Latin: “Nothing Without Faith.”- Implies that technical knowledge (e.g., geology, engineering) should be grounded on firm ethical & spiritual foundations.

Learning Objectives

  1. Describe how ore minerals are found, mined, & processed for human use.

  2. Draft a reaction paper to government actions that regulate mining.

  3. Appreciate youth participation in caring for creation via a video message addressed to mining companies.

“Watch & Learn” Video: Rio Tuba Nickel Mining (Palawan)

  • Safety cue: Workers wear reflectorized vests because visibility drops & massive haul trucks can’t easily spot ground crew.

  • Timeline- Deposit discovered: 1967.

    • Open-pit mining started: 1969.

  • Target zone for nickel: from the limonite zone → saprolite zone → bedrock (high-grade ore).- Diagram shows ~$12\text{ m}$ of overburden before limonite.

  • Everyday products requiring nickel:- Laptops, cellphones, cars, assorted household hardware, etc.

Quick-Recall Prompts (pre-lesson)

  • PH mineral wealth ranking?

  • Geological contributors to mineralization?

  • Government agency in charge?

  • Three major steps of the mining process (Discovery, Extraction, Processing)?

  • Focus of exploration stage?

Philippine Mineral Wealth Snapshot

  • Ranked 5th most mineral-rich country in the world.

  • Key metallics: gold, nickel, copper, chromite.

  • Non-metallics: limestone, marble, gravel, sand.

  • Romblon – “Marble Capital of the Philippines,” hosts the largest PH marble deposit.

  • Estimated untapped value: Php 41 trillion\text{Php }41\text{ trillion} (metallic + non-metallic).

Geologic Causes of Rich Deposits

  • Country sits on active convergent plate boundaries (Philippine, Pacific, & Eurasian plates).

  • Neighboring trenches: Philippine, Ryukyu, Kurile, Japan, Izu-Ogasawara, Marianas, Java-Sunda, Bougainville.

  • Subduction + volcanism → hydrothermal processes that concentrate metallic ores.

  • Famous arc volcanoes: Mt. Pinatubo, Mayon, Krakatoa (regional context).

Governing Agency: Mines & Geosciences Bureau (MGB)

  • A bureau of DENR.

  • Mandates:1. Manage & administer mineral lands.

    1. Grant or cancel mining permits.

    2. Enforce/monitor EWP (Environmental Work Program) and EPEP (Environmental Protection & Enhancement Program).

  • Larger economic backdrop: PH national debt ≥15.18 trillion PHP (Feb 2024)\ge 15.18\text{ trillion PHP (Feb 2024)}; mineral wealth is often cited as potential revenue source.

Metallic vs Non-Metallic Reserves (PH)

  • Metallic: gold, nickel, copper, chromite, iron.

  • Non-metallic: limestone, marble, gravel, sand.

The D-E-P Mining Process

1 Discovery of Mineral Ore

  • Mineral ore = naturally occurring material from which metals/elements can be profitably extracted.

  • Exploration C-E-V Framework- Concentrations: locate where ores accumulate.

    • Extent: map spatial boundaries & depth.

    • Value: estimate grade, tonnage, & economic feasibility.

2 Extraction Methods

  • Two primary categories:1. Surface (Open-Pit/Strip) Mining

    • Removes vegetation + overburden to expose ore seams.

    • Economical for shallow, widespread deposits.

    1. Underground Mining

    • Shafts, ramps, adits & tunnels to reach deep ore bodies.

    • Infrastructure components: shaft tower, ventilation chimneys, elevators, crushing stations.

3 Processing
Physical Processing

  • Crushing & grinding – reduce particle size.

  • Washing/Gravity separation – separate ore from gangue.

Chemical Processing

  • Smelting – heat/melt to separate metal.

  • Electrolysis – electric current pulls pure metal ions onto cathodes.

Environmental & Health Impacts

Land & Ecosystem

  • Landscape devastation, erosion, sinkholes, biodiversity loss, pollution.

Tailings

  • Residual slurry containing acids, cyanide (in Au extraction), heavy metals Pb & Hg.

  • Improper dumping → soil & water contamination.

  • Example: “Yellow boy” – ochre iron precipitate in acidic mine water.

Human Health

  • Lead poisoning – anemia, neurological & developmental delays.

  • Mercury poisoning – kidney, lung, & brain damage (linked to Au/Ag amalgamation).

  • Silicosis – scarring of lungs from silica dust.

  • Black lung (Coal Workers’ Pneumoconiosis) – coal dust inhalation.

  • Asbestosis – asbestos-fiber inhalation; may progress to mesothelioma.

  • Fun fact: Longest dictionary word: pneumonoultramicroscopicsilicovolcanoconiosis – a silica-dust lung disease.

Legal & Ethical Framework

Philippine Mining Act of 1995 (RA 7942)

  • Core legislation governing PH mining operations.

  • Emphasizes sustainable development principles.

Key Guidelines

  1. Best current environmental practices must guide all operations.

  2. Equal weight to economic, environmental, health, safety, social & cultural considerations.

  3. Must be “pro-people & pro-environment” – wealth creation shouldn’t compromise quality of life.

Sustainable Development Definition

  • “Meet present needs without compromising the ability of future generations to meet theirs.”

  • Visual reminder: balance of present vs future.

Youth & Civic Participation

  • Students tasked to produce videotaped messages addressing mining firms.

  • Goal: foster advocacy, accountability, and inter-generational stewardship.

Recap & Self-Test Prompts

  • Distinguish surface vs underground mining.

  • At which process stage are tailings generated?

  • Explain C-E-V in exploration.

  • List 3 health hazards linked to mining.

  • Cite 3 Philippine trenches influencing mineralization.

Practical / Ethical Reflection Ideas

  • Relate cartoons ("KEEP MINING, BOYS") to karma & corporate social responsibility.

  • Discuss how national debt figures are used to argue for or against accelerated mining.

  • Evaluate whether PH can balance economic gains vs environmental safeguards under RA 7942.

Connections to Previous & Real-World Context

  • Builds on prior lessons in plate tectonics, volcanology, environmental science & health.

  • Real-world incidents: Marinduque mine spill (1996), Padcal tailings leak (2012) for case comparisons.

  • Global parallel: Ok Tedi (PNG), Mount Polley (Canada) – illustrate universal risks of tailings mis-management.

Action Points for Students

  • Research local ordinances or DENR-MGB issuances affecting community mines.

  • Draft reaction papers critiquing policy efficacy.

  • Create advocacy videos: propose best practices, pose questions to mining CEOs, or highlight success stories of eco-rehabilitation.

  • Practice public speaking (“Speak even when your voice shakes”) to engage LGUs, NGOs, & companies.

Closing Motivational Echoes

  • "You have the power to protect your peace" – stay balanced amid contentious debates.

  • "Slow progress is still progress" – industry reform & environmental recovery are incremental but achievable.

  • "You shine bright like a diamond" – value yourself as much as the minerals you study, but remember that human dignity outshines any ore grade.