Ground Truth Trekking

Resources tagged with "Pebble Mine"

Issues tagged Pebble Mine

Acid Mine Drainage: Acid Seep Acid Seep in Nevada source: Glenn Miller, copyright held by photographer. Summary Acid mine drainage (AMD) refers to the outflow of acidic water from a mining site. In most cases, this acid comes primarily from oxidation of iron sulfide ... [read-more]
Augustine Geothermal: Renewable Energy Articles Geothermal Augustine Geothermal Spurr Geothermal Wind Eva Creek Wind Fire Island Wind Hydroelectricity Chakachamna Hydro Chikuminuk Hydro Kogoluktuk Hydro Susitna-Watana Hydro Seismic Hazards at Susitna Other Tidal Power in Cook Inlet Yakutat Wave Energy Background The state ... [read-more]
Block Caving: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks Block caving is an underground hard rock mining method that involves undermining an ore body, ... [read-more]
Bristol Bay Fisheries: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks SummaryBristol Bay hosts the largest sockeye salmon fishery in the world, as well as several ... [read-more]
Climate Change on the Northern Pacific Coast: (Note: This article was written in 2007 and refers to our Journey on the Wild Coast) Melting GlaciersFirePermafrostMigrationEmissionsRefs and Links Our burning of fossil fuels is spewing CO2 into the atmosphere, increasing the greenhouse effect, and warming the planet. A ... [read-more]
Donlin Gold Project: SummaryThe Donlin Gold project is a proposed gold mine located in southwest Alaska.  This prospect is expected to produce around 1.5 million ounces of gold per year, and has an estimated resource base of around 34 million ounces (almost $56 ... [read-more]
Earthquake Risk at Pebble: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks A major earthquake could cause the collapse or failure of giant earthworks at the proposed ... [read-more]
Gold Cyanidation: Cyanide Vat Leaching Cyanide leach vats at Alaska's Fort Knox Mine source: Dave Chambers, CSP2 (2006). Copyright held by photographer. SummaryCyanide (CN), a single carbon atom triple-bonded to a nitrogen atom, has proved extremely useful in extracting gold from ore.  However, ... [read-more]
Kennecott Copper Mine: SummaryThe Kennecott Copper Mine, for a time the largest copper mine in the world, operated from 1911 to 1938 in what is now Wrangell St. Elias National Park.   The mine produced a total of around 4.6 million tons of ore, ... [read-more]
Keystone Center Dialogue on Pebble Mine: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks (Author's Note: Because relatively little information about the Keystone Center dialogue is available online, parts ... [read-more]
Mine Tailings: Basic Mining Terminology: An overview of basic mining terms and where various components of a mineral deposit end up. FULL FIGURE Mine tailings are the ore waste of mines, and are typically a mud-like material.Worldwide, the storage and handling of ... [read-more]
Mining Claims Near Pebble: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks  BackgroundThe controversial Pebble Mine prospect has provoked a large amount of press within Alaska due ... [read-more]
Natural Gas in Cook Inlet: datamooseCallbacks_M85Xh3jA7Erm.push(function(datamooseIframe){ $("#DatamooseDescriptionWrapper-data-output-embed-131-M85Xh3jA7Erm").css('display','block') $("#DatamooseDescriptionWrapper-data-output-embed-131-M85Xh3jA7Erm").width(datamooseIframe.style.width) }); Cook Inlet Natural Gas Production and Export: Production and Exports of Natural Gas in Cook Inlet (1958-2010) FULL FIGURE SummaryThe natural gas produced in Cook Inlet is the primary source of energy and heat for the ... [read-more]
Niblack Gold Prospect: SummaryThe Niblack Project is a copper-zinc-gold-silver deposit located on Prince of Wales Island, about 30 miles southwest of Ketchikan.  The current "indicated resource" consists of 2.6 million tons of ore, composed of 1.18% copper, 2.19% zinc 2.33 g/t gold, and ... [read-more]
Opposition to Pebble: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks Elders meet Native elders from Nondalton and Dillingham discuss areas where they hunt for caribou. ... [read-more]
Pebble Alternative Tailings Storage Options: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks At the proposed Pebble Mine, the mine developer intends to store the mine’s sulfide mine ... [read-more]
Pebble Mine (Copper/Gold Prospect): Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks Summary If built, the proposed Pebble Mine would be North America's largest gold and copper ... [read-more]
Pebble Tailings Management: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks The proposed Pebble Mine could produce up to 10.7 billion tons of tailings, a mud ... [read-more]
Pebble and Perpetuity: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks The life of a mine doesn’t end when the metal is gone. The primary environmental ... [read-more]
Powering Large Mines in Alaska: Power in AK Electrical intertie near Healy, AK GET PHOTO Background: Powering MinesMines are enormous consumers of power, and are often a driving force for adding new electrical generation capacity and fuel-transportation infrastructure to their local areas.  Mining energy demand ... [read-more]
Powering Pebble: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks Far from the Rail-belt Alaska's main electric grid, commonly called the 'rail belt,' is very ... [read-more]
Resource Extraction on Northern Pacific Coast: Author's Note (2010): This article was researched and written in 2007 as part of the preparation for our year-long Journey on the Wild Coast.  One of the goals of this trip was to see many of these issues for ourselves, ... [read-more]
Salmon: (Author's Note:  This article was written in 2007 by Erin McKittrick as part of our preparation for the Journey on the Wild Coast.  For up to date and more neutral articles on a variety of natural resource issues in Alaska ... [read-more]
Waste Storage 'In Perpetuity': Perpetual waste storage Toxic waste is an inevitable byproduct of many industries, from mines to power plants, nuclear reactors to municipal landfills. Therefore, we construct facilities to contain or treat these toxic byproducts. In many cases the mandate of these ... [read-more]
Water Management at Pebble Mine: Our Pebble Articles Overview Block Caving Water Management Nearby Mining Claims Keystone Dialogue Perpetual Maintenance Tailings Storage Alternative Tailings Storage Opposition Powering Pebble Earthquake Risks (Author's Note:  Much of the information about hydrology and water quality at the Pebble Mine ... [read-more]
Alaska Metals Mining: Background on Mining Acid Mine Drainage Gold Cyanidation Gold Mining Methods Mine Tailings Mining Taxes and Revenue in AK Perpetual Waste Storage Powering Large Mines in AK Rare Earth Elements (REEs) Active Mines in Alaska Fort Knox Gold Mine Greens ... [read-more]
Infrastructure in Alaska: Infrastructure Articles Drift River Oil TerminalPort MacKenzie Rail ExtensionPowering Large Mines in AK Project ChariotRailbelt Electrical Grid Road to UmiatSeward Coal Terminal At 663,000 square miles, Alaska is by far both the largest and least densely populated state in the ... [read-more]

Journeys tagged Pebble Mine

Mineral Resource Extraction on the Northern Pacific Coast: Author's Note (2010): This article was researched and written in 2007 as part of the preparation for our year-long Journey on the Wild Coast.  One of the goals of this trip was to see many of these issues for ourselves, ... [read-more]
Planned Alaska route: Author's Note (2010): This article was researched and written in 2007 as part of the preparation for our year-long Journey on the Wild Coast.  This map outlines a portion of our proposed route (which we more-or-less followed) and the text ... [read-more]
Where Threatened Waters Flow (2006): Nushagak River Islands in the Nushagak River, near the Mulchatna River confluence. GET PHOTO Anchorage, Alaska: As we tossed our hiking gear into the small, cargo-stuffed plane that would take us to Nondalton, I got a few last-minute pronunciation lessons ... [read-more]
Other Journeys: Winter gear A frosty ruff lines Hig's modified coat, packrafts trailing behind as makeshift sleds. GET PHOTO Follow these links for information on our current adventures in Alaska Coal Country or our recent Journey on the Wild Coast.Information on other ... [read-more]
Where the heck is Donlin?: (This journey was undertaken by Bjorn Olson and Kim McNett, with the support of Ground Truth Trekking in Winter and Spring 2011.  See the movie page for the status of the documentary)StatusCompleted in June 2011, with a documentary still to ... [read-more]

Photos tagged Pebble Mine

Mining Claims Near Pebble
Sharp mountain at sunset
Open tundra
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Ptarmigan
Pebble Prospect
Tailings area
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Mine Prospect Exploration
Pebble Prospect
Slurry discharge
Pebble Prospect
Pebble Prospect
Slurry discharge
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Tailings area
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Pebble Prospect
Open Lead
Open Lead
Open Lead
North Fork Koktuli Open Lead
Open Lead
Open Lead
Open Lead
Open Lead
Open Lead
Nushagak River
Mulchatna River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River Duckling
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River
Nushugak River

Nushugak River

Nushugak River
Nushugak River
Nushugak River
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna

Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Lake Iliamna
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Upper Talarik Creek
Kvichak River
Helicopter at Pebble Mine prospect
The hills near Pebble
Potential Mine Site and Tailings Lake
Drill rig slurry pipe
Frying Pan Lake
Groundhog Mountain Thunderstorm
Mine workers
Drill slurry outfall onto tundra
Frying Pan Lake
Abandoned drill site
Potential Mine Site and Tailings Lake
Potential Mine Site and Tailings Lake
Potential Mine Site and Tailings Lake
Potential Mine Site and Tailings Lake
Wild geranium
Beaver pond
Rock ptarmigan (Lagopus muta)
Blueberry tundra
Frying Pan Lake
Map of photo locations
Hazy sunset
Miners' equipment
Curious caribou
Sixmile Lake?
Dry creekbed
Ptarmigan flight
Frying Pan Lake
Pebble mine camp
Bog cranberries
Pebble mine camp
Crowberries
Frying Pan Lake panorama
Lingonberries (Vaccinium vitis-idaea)
Mining claim stake
Chilly Flowers
Lake Clark Fault
Liquefaction evidence
Tundra in Infrared
Pebble Boat Flag