AK High levels of mercury spell hazards for subsistence in Southeast
Hecla Greens Creek Mining Company proposes to extend the existing dry-stack tailings disposal facility and incorporate waste rock co-disposal techniques in a northward direction for additional tailings and waste rock storage capacity. Location Summary Greens Creek Mine, Admiralty Island, Alaska District: Admiralty Island National Monument
Location map for the Greens Creek Mine Download Scientific Diagram
The Greens Creek is a gold, zinc, and silver mine located in Alaska at an elevation of 1,348 feet. About the MRDS Data: All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy.
Save a Generator, Use a Dam
Alaska National Interest Land Claims Act (ANILCA) in 1980. Not only did this legislative act have a profound effect on the subsequent exploration of the district and eventual production of Greens Creek, ANILCA shaped the economic life of Alaska as a whole. Introduction. The Greens Creek mine (fig. 1) went from initial dis-
Added silver, protocols at Greens Creek North of 60 Mining News
The Greens Creek mine in the Admiralty mining district is the 5th largest silver producer in the world; gold is a byproduct. The mine is an underground operation, with surface disposal of tailings onto two 29-acre (120,000 m 2) sites.
Hawk Inlet Southeast Alaska Conservation Council
Greens Creek Mine is the 5th largest silver producer in the world, located on the eastern shore of Hawk Inlet on Admiralty Island, about 77 miles (124 km) north-northeast of Sitka and 18 miles (29 km) southwest of Juneau, Alaska. Admiralty Island is 96 miles (155 km) long and lies between Stephens Passage to the east and Chatham Strait to the west.
Greens Creek Alaska Hecla Mining
How Hecla Keeps Greens Creek Green. In: Responsible Mining. 9/29/2022. Alaska Business Magazine explains how Greens Creek keeps production up and environmental impact down. Learn more in their article, "Living Up to Its Name; How Hecla Mining keeps Greens Creek green.". Learn more about how Hecla keeps its Greens Creek Mine green.
Greens Creek Mine operator fined for violations concerning lead
Greenschist facies metamorphism during the Jurassic-Cretaceous accretion of the Alexander terrane to the continental margin resulted in recrystallization, remobilization, and significant upgrading of the Greens Creek orebody. Current ore-genetic models are inadequate to explain the diverse characteristics of the Greens Creek deposit.
Greens Creek Mine wins technology award
Hecla's Greens Creek Mine, located on Admiralty Island eighteen miles southwest of Juneau, is one of the largest silver mines in the world and the largest in the United States. In 2019 the underground mine processed 846,076 tons of ore to produce 9.9 million ounces of silver and more than 56,000 ounces of gold, 20,000 tons of lead, and 56,000.
Hecla Mining Demo Greens Creek Mine, Alaska YouTube
A new report proposing four alternatives for the Hecla Greens Creek Mine North Extension Project was released Thursday and is accepting public comment between Friday and May 8. Hecla is seeking to.
Greens Creek Alaska Hecla Mining
Hecla Greens Creek Mining Company Mining Juneau, Alaska 3,425 followers Hecla Greens Creek has demonstrated that its safety record and environmental stewardship are among the best in the world
Greens Creek Alaska Hecla Mining
The operator of Southeast Alaska's Greens Creek Mine, the nation's largest silver producer, has agreed to pay $143,124 and to take corrective action to settle a series of hazardous waste violations, the Environmental Protection Agency said on Wednesday.
Conozca las 10 minas de oro más grandes del mundo Mining Press
Greens Creek Mine is the most profitable silver producer in the U.S., and the largest producer of toxic waste in Southeast Alaska, according to the Toxic Waste Inventory. It has been allowed to increase its impact twice without demonstrating that it is not causing harm, and the mine is applying now for yet another expansion.
Greens Creek Mine In Juneau, Alaska The Diggings™
The Hecla Greens Creek Mining Company knows that training and hiring local talent is a win, win situation for everyone. Unfortunately, many local young people don't realize the opportunities they have in their own backyard. In 2011, Hecla decided to do something to change that, in a big way, by donating $300,000 to the UAS Center for Mine.
Greens Creek files plan to extend mine life Taku 105 KTKUFM
The Greens Creek Mine, located in Juneau, Alaska, is situated within the Admiralty Mining District, which is now part of the Tongass National Forest. The site was initially discovered in 1974 and has since become a prominent underground mining operation. Production at the mine began in 1989.
Greens Creek Alaska Hecla Mining
The mine is located in southeast Alaska, in the Tongass National Forest near Hawk Inlet on Admiralty Island National Monument, approximately 18 miles southwest of Juneau, on U.S. Forest Service and private patented land within the City and Borough of Juneau. Access to the mine is by sea and a 13-mile access road.
Greens Creek exceeds high expectations North of 60 Mining News
Hecla's Greens Creek Mine in southeast Alaska is one of the largest and lowest-cost primary silver mines in the world. Owners . Source: p. 47. Company Interest Ownership; Hecla Mining Company: 100 %: Indirect: The Project core claims at Big Sore are held in the name of Hecla Greens Creek Mining Company, a wholly-owned Hecla subsidiary.