Mining in Alaska
description
Transcript of Mining in Alaska
Mining in Alaska
QuickTime™ and a decompressor
are needed to see this picture.
Present day mining sites in Alaska
Question: Where in Alaska is mining taking place?
Answer:
Seward Peninsula - Red Dog Mine & Rock Creek
Interior Alaska
Fort Knox
Pogo Mine
Usibelli Mine
Southeast Alaska - Greens Creek
Question: What are the major minerals mined in AK?
Answer:
Gold Copper
Silver Coal
Zinc
Here are some other desirable minerals sought after in Alaska…Hidden Treasures in Alaska - BLM
Different Mining Techniques
Surface mining Open-pit mining
Quarrying Strip mining Placer mining
Mountaintop removal
Sub-surface mining Drift mining Slope mining Shaft mining Hard rock mining Drift and Fill m
ining Borehole mining Long Hole Stope
mining Sublevel Caving Block Caving Shrinkage Stope
mining Room and pillar Longwall mining Retreat mining
Economic Value of Mineral Exports
Value of Alaska Mineral exports
Pebble Mine Where is it?
What is the issue?
What groups favor the development of Pebble Mine?
What groups are not in favor of Pebble Mine?
What potentially are the benefits to developing Pebble Mine?
What are the potential environmental hazards that could result from developing Pebble mine?
What’s next?
Location of Pebble Mine
QuickTime™ and a decompressor
are needed to see this picture.
Groups who support the development of Pebble Mine
Pebble Partnership
Nothern Dynasty
QuickTime™ and a decompressor
are needed to see this picture.
QuickTime™ and a decompressorare needed to see this picture.QuickTime™ and a decompressorare needed to see this picture.
Renewable Resources Coalition
Stop Pebble Mine
Fly Fisherman
Groups who oppose the development of Pebble Mine
Who are these groups and why do they oppose the development of Pebble Mine?
What are some of the environmental concerns that exist with the different types of mining?
QuickTime™ and a decompressor
are needed to see this picture.
Tailings Ponds
Air Pollution from dust caused from open pit mining.
Coal factories leads to smog and acid rain.
QuickTime™ and a decompressor
are needed to see this picture.