Environmental Impact (2)
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1
Where do waste materials go?
- Major portion of the waste rock is
- disposed of in piles at the source
- removed from the preparation plant
- disposed of in large piles or banks
- disposed of in piles at the source
- removed from the preparation plant
- disposed of in large piles or banks
2
can be reused in the construction of impoundments and haul roads
Mine waste material
3
can be used as granular base/subbase, flowable fill aggregate or fill, engineered fill or embankment, asphalt aggregate.
Certain tailing waste
4
Problems of mining techniques
land-use change and negative impacts on environments including Deforestation, Erosion, Contamination, Alteration of soil profiles, Contamination of local streams and wetlands, Noise pollution
5
Possible Environmental Impacts of Irresponsible Mining (5)
1. Flooding
2. Erosion
3. Subsidence
4. Water & Air Pollution
5. Damage to wildlife & habitat
2. Erosion
3. Subsidence
4. Water & Air Pollution
5. Damage to wildlife & habitat
6
Measures to prevent or mitigate the harmful effects of irresponsible Mining
- Topsoil replacement using uncontaminated soil
- Reintroduction of flora and fauna**
- Neutralizing acidic waters
- Backfilling and sealing of abandoned underground mines
- Stabilizing of slope of impacted area to reduce erosion
- Use new, alternative low-impact mining techniques
- Reusing Mining Waste
- Reintroduction of flora and fauna**
- Neutralizing acidic waters
- Backfilling and sealing of abandoned underground mines
- Stabilizing of slope of impacted area to reduce erosion
- Use new, alternative low-impact mining techniques
- Reusing Mining Waste
7
Government/Organizations in the Implementation of Environmental Programs
Mines and Geo-sciences Bureau (MGB) & Philippine Mine Safety and Environment
8
a government agency of the Philippines under Department of Environment and Natural Resources (DENR)
Mines and Geo-sciences Bureau (MGB)
9
responsible for the conservation, management, development and use of the country's mineral resources, including those in reservations and public lands
Mines and Geo-sciences Bureau (MGB)
10
the forerunnerin the promotion of occupational safety and health, sound environmental management and socialresponsibility in the Minerals Industry.
Philippine Mine Safety and Environment
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