, Construction began on a treatment plant at the Berkeley Pit in 2018, to treat water in the Pit before the water level before it contaminates local groundwater.
we have committed ourselves to responsible development and adhere to our core values of implementing responsible environmental practices, and contributing long lasting benefits to local communities and to society.
2002 – March, USEPA and Montana Department of Environmental Quality (MDEQ) enter into a Consent Decree with BP/ARCO and the Montana Resources Group (known as the Settling Defendants) for settlement of past and future costs for this site. As a result, the pit is laden with heavy metals and dangerous chemicals that leach from the rock, including copper, arsenic, cadmium, zinc, and sulfuric acid. These geospatial data and related maps or graphics are not legal documents and are not intended to be used as such. The Black Butte Copper Project will be a model for responsible, viable mining methods and outcomes. All rights reserved. Fish and Wildlife Service found that the 3,000 to 4,000 snow geese that died at the Berkeley Pit were killed by exposure to sulfuric acid and heavy metals.
It is one of sixteen Superfund sites in Montana, and the Berkeley Pit is the final unrestored section of the Silver Bow Creek/Butte Area site. This website and the information on it are owned by Sandfire Resources America Inc. and its subsidiaries. At Sandfire Resources Black Butte Copper Project, The site was first discovered in 1886. Minerals or other materials present in the mine. This is where you can find every detail. 2003 – November, MR resumes mining operations. THE ORE BODY IN PLACES CONSISTED OF A MASS OF CRUSHED GRANITE. Associated rock in this area is quartz monzonite from the Upper Cretaceous epoch 100.50 to 66.00 million years ago. We're making history in Montana. Learn more about the Bureau of Land Management, Public Land Survey System, and mining claims.
The city of Butte is in the lower right corner. The Diggings™ is a resource for locating where mining claims are and have been. Box 431 Geologic structural features affecting or characterizing the site or mine. Get directions, maps, and traffic for Butte, MT. Production size when active was considered to be small. The open-pit style of mining superseded underground operations because it was far more economical and much less dangerous than underground mining. The Leonard Copper Mine was closed at the time of data entry with no known plans to re-open. The treatment facility will be able to treat ten million gallons of water per day. 2002 – Fall, USEPA and MDEQ issue order for Settling Defendants to begin design of water treatment plant for HSB water. The Diggings™ makes no warranty, expressed or implied, including the warranties of merchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the accuracy, reliability, completeness or utility of these geospatial data, or for the improper or incorrect use of these geospatial data. From the beginning, through reclamation—Sandfire is working with White Sulphur Springs and our surrounding communities to ensure that this project has a positive impact. Physiographic area where the resource is found. 17 East Main Street Join our mailing list to get alerts for mine listing updates, new features, and special opportunities. 20 FAULT. Learn how and when to remove this template message, "McQueen photographs evoke bittersweet memories", "Thousands of snow geese die in Montana after landing on contaminated water", "Metals, acid in Berkeley Pit water killed geese, report confirms", "Thousands of Montana snow geese die after landing in toxic, acidic mine pit", "Migratory birds shooed away by drone, fireworks, lasers", "Thousands of Snow Geese Die at Abandoned Pit Mine", "Most Montana Superfund Work Continues Despite Stay-At-Home Directive", "Berkeley Pit water treatment plant is almost operational", "Butte Reaches Superfund Milestone, Releasing Berkeley Pit Water Into Silver Bow Creek", "Researchers Hope Creatures From Black Lagoon Can Help Fight Cancer", IA, The Journal of the Society for Industrial Archeology, Berkeley Pit Photos from the Montana Department of Environmental Quality, ISS image of Berkeley Pit (dated August 2, 2006), Butte, Montana toxic waste site turned tourist attraction yielding compounds that may be medically, environmentally useful, "Casualties of Copper: The Berkeley Pit, Montana. The Berkeley Pit is currently one of the largest Superfund sites. A “township” can refer to two different things. Additional textual information about a site or mine. The ore mined is composed of enargite, chalcocite and huebnerite with waste material consisting primarily of barite, quartz and pyrite.
From research and planning materials to timely updates and news about jobs. 20 FAULT. As a result, the pit is laden with heavy metals and dangerous chemicals that leach from the rock, including copper, arsenic, cadmium, zinc, and sulfuric acid.. COPPER MINERALIZATION OCCURS IN HORSETAIL ORE BODIES AND NW-TRENDING MAIN STAGE VEINS. Natural hazards may or may not be depicted on the data and maps, and land users should exercise due caution. The Berkeley Pit is a former open pit copper mine located in Butte, Montana, United States. LARGEST MASSES OF QUARTZ PORPHYRY IN DISTRICT FOUND NEAR THE LEONARD & EAST COLUSA SHAFTS-THESE BODIES IN OR NEAR HORSETAIL ORE ZONE OF THE CENTRAL DISTRICT. We're Montanans. For an detailed map, refer to the overseeing BLM field office.
As of June 2008, many entries were classified as significant under less strict rules. Copper was the principal metal produced, although other metals were also extracted, including silver and gold. We're Montanans. Index map showing locations of mining districts and geographic areas, Butte 1 °X2° quadrangle, Montana 2 2. Protecting the Smith River and its precious ecosystem is our top priority. Get to know our project and the people who are making it happen. The Berkeley Pit is a former open pit copper mine located in Butte, Montana, United States.
Principal structures and plutons of the Sapphire thrust plate 5 TABLES 1. the season and will resume next May. MINES IN THE BUTTE DISTRICT, WHILE INDIVIDUALLY MAY BE SMALL PRODUCERS ARE LARGE WHEN CONSIDERED AS A WHOLE DEPOSIT. It is 1 mi (1,600 m) long by ⁄2 mi (800 m) wide with an approximate depth of 1,780 feet (540 m).
The data and maps may not be used to determine title, ownership, legal descriptions or boundaries, legal jurisdiction, or restrictions that may be in place on either public or private land. It is filled to a depth of about 900 feet (270 m) with water that is heavily acidic (2.5 pH level), about the acidity of Coca-Cola, lemon juice, or gastric acid.
The Butte mining district is characterized by the Late Cretaceous Boulder batholith which metamorphosed surrounding rocks during the Laramide orogeny.
Formal or informal mining district names. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. Mineralogical and chemical alteration at or near the site, which may help to indicate the geographic extent of the geological processes producing the mine.
1996 – April, Montana Resources (MR) and ARCO divert Horseshoe Bend (HSB) drainage water away from Berkeley Pit to slow filling rate, per ROD. Historically the site has been associated with the Butte Mining District which is now part of the Deerlodge National Forest.
The Leonard Copper Mine is in Butte-Silver Bow, Montana.  (Levels of copper are high enough that Montana Resources has mined copper directly from the water.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself. When open pit mining operations began in July 1955, near the Berkeley Mine shaft, the older mine gave its name to the pit. Both are part of the PLSS measurement system but have different uses. Get to know our project and the people who are making it happen. , A protozoan species, Euglena mutabilis, was found to reside in the pit by Andrea A. Stierle and Donald B. Stierle, and the protozoans have been found to have adapted to the harsh conditions of the water. Within the first year of operation, the pit extracted 17,000 tons of ore per day at a grade of 0.75% copper. White Sulphur Springs, MT 59645 Box 431
(406) 547-3466, Sandfire Resources America Inc. Black Butte Copper Project, Tintina Montana Inc. Black Butte Copper Project, Black Butte Copper Crosses the Permitting Finish Line with Positive Record of Decision, Sandfire Resources America completes an Updated Mineral Resource Estimate for the Johnny Lee Deposit, Black Butte Copper Project. Placer deposits were mined out by 1867. An admission fee is charged to go out on the viewing platform. More than 200 mines pierced “The Hill” (shown in colored tint) and its surrounding neighborhoods. ", Butte Mineyards, Berkeley Pit, Butte, Silver Bow County, MT, https://en.wikipedia.org/w/index.php?title=Berkeley_Pit&oldid=982090094, Historic American Engineering Record in Montana, Environmental disasters in the United States, Short description is different from Wikidata, Articles with unsourced statements from November 2018, Articles needing additional references from August 2020, All articles needing additional references, Creative Commons Attribution-ShareAlike License. Discover mining activity in your area and find new regions of opportunity. THE GROUND BETWEEN THE VEINS WERE NETTED AND THAT LESSER STREAKS ARE ABUNDANT AND IN MANY PLACES THE GRANITE WAS COBWEBBED WITH ORE. We receive lots of emails from people who find their name or a relative’s name on our site and want to know if this means they have some right to the land listed under that name. It is filled to a depth of about 900 feet (270 m) with water that is heavily acidic (2.5 pH level), about the acidity of Coca-Cola, lemon juice, or gastric acid. Mine handled by the Bureau of Land Management are not mapped by latitude and longitude, instead, these mines harken back to the Public Land Survey System. Committed to the environment. An approximate outline of the Berkeley Pit is shown in orange Whether it is filing a mine or researching one, the administering BLM office is going to be the definitive source. The water, with dissolved oxygen, allows pyrite and sulfide minerals in the ore and wall rocks to decay, releasing acid. Open-pit mining started in 1955. We're making history in Montana.
The underground Berkeley Mine was located on a prominent vein extending to the southeast from the main Anaconda vein system. ), On November 28, 2016, several thousand snow geese died after a large flock landed in the pit's water to avoid a snow storm.  Mining of sulfide minerals began in the district in 1864. Learn about the studies, planning and 21st century methods … The Leonard Copper Mine is in Butte-Silver Bow, Montana.
Learn about USGS mines. VERY LITTLE EXPLORATION AND DEVELOPMENT WORK HAS BEEN CARRIED OUT EAST OF THE NO. 1994 – September, EPA/DEQ issue Record of Decision (ROD) for Butte Mine Flooding Operable Unit. An official report issued in 2017 by the U.S. Mine shafts literally undermined much of the central district of Butte. Tell Governor Bullock what Black Butte Copper means to Montana. Emma Mine from Mapcarta, the free map. Emma Mine is situated nearby to Pioneer.  Immediately after the event, officials made efforts to scare birds away and prevent more from landing in the area. MINING HAS BEEN EXCLUSIVELY ON SELECTIVE VEINS OF BOTH AGES WEST OF THE MIDDLE FAULT, ON HORSETAIL BODIES AND SELECTIVE VEINS BETWEEN THE MIDDLE FAULT AND NO. Information hosted on The Diggings™ is based on publicly available data through the Bureau of Land Management. The Black Butte Copper Project will be a model for responsible, viable mining methods and outcomes. The Leonard Copper Mine was closed at the time of data entry with no known plans to re-open. Check flight prices and hotel availability for your visit.
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