Gold Mine Tailings Nova Scotia
Nova Scotia Mine Tailings Database | novascotia.ca
The Nova Scotia Department of Energy and Mines (NSDEM) has identified 219 historical mineral processing sites throughout the Province which likely contain mine tailings.The ore processed at most of the sites (194) was gold, but other commodities include base metals, barite, tin, tungsten, strontium and antimony.
N.S. plans to close 2 sites contaminated by old gold mines
People flocked to Nova Scotia in three gold rushes dating back to the 1860s. High levels of arsenic and mercury remain at some of those sites to this day. Now the government wants to clean them up.
Mineralogy and spectral reflectance of soils and tailings …
Gold was mined in 64 districts in southern Nova Scotia between 1861 and the early 1940s, followed by limited, intermittent production up to the present. There is extensive dispersion of arsenic- and mercury-bearing mine tailings in the receiving ...
Province testing discoloured substance spotted at gold mine tailings
Environmental groups fear there was a tailings pond leak at Atlantic Gold's Moose River, N.S., gold mine, but the company says its systems are operating normally.
Biological effects of gold mine tailings on the intertidal …
The field studies confirmed that most of those sites contain large volumes of unconfined tailings and that gold mine tailings throughout Nova Scotia contain elevated concentrations of mercury and arsenic, which were widely dispersed in local sediments and surface waters. Based on the Natural Resources Canada findings, Environment Canada ...
(PDF) Environmental geochemistry of tailings, sediments …
From 1861 to the mid-1940s, stamp milling at orogenic lode gold mines in Nova Scotia generated more than 3,000,000 tonnes of tailings. Most of the mined gold was recovered using mercury (Hg ...
Historical gold mining increased metal(loid) concentrations …
Historical gold mining operations between the 1860s and 1940s have left substantial quantities of arsenic- and mercury-rich tailings near abandoned mines in …
Who benefits from Atlantic Gold's Nova Scotia operations?
In mid-May, Laird Brownlie, head of external affairs for Australia's St Barbara Ltd that acquired Atlantic Gold and its mining operations in Nova Scotia in 2019 for $722 million, sent out an email — a "special bulletin" — about the company's proposed modifications at its Touquoy open pit gold mine in Moose River. Brownlie's message […]
Touquoy Gold Project Site Modifications | Environmental …
The purpose of the proposed undertaking is to support the existing operations at the Touquoy Gold Mine located in Moose River, Nova Scotia, 63km Northeast of Halifax and 19 km southeast of Middle Musquodoboit. ... The Proponent must provide information regarding in-pit mine tailings disposal, ground and surface water, fish and fish habitat ...
Biological effects of gold mine tailings on the intertidal …
From 1861 to the 1940s, gold was produced from 64 mining districts in Nova Scotia, where mercury amalgamation was the dominant method for the extraction of gold from ore until the 1880s. As a result, wastes (tailings) from the milling process were contaminated by mercury and were high in naturally o …
Arsenic in Historic Gold Mine Tailings
Nova Scotia have elevated arsenic levels, not just the gold mine tailing sites. How did arsenic get into the environment at old gold mines? When gold was mined in Nova Scotia in the late 1800s and early 1900s, the gold-
Critics worry more tailings pond waste at gold mine could …
A pending decision from Nova Scotia's environment ministry could allow a contentious gold mine to pump more wastewater into its tailing ponds, raising alarm …
Public paying the price to clean up old gold mines
According to a landmark 2012 report by Mike Parsons et al, mining in the Upper Seal Harbour gold district produced 400,516 tonnes of crushed rock, generating …
Mineralogical characterization of arsenic in gold mine tailings …
A case study of arsenic-bearing gold mine tailings from Nova Scotia is presented to demonstrate the application of mineralogical techniques to improve human health risk assessment and the long ...
Historic Gold Mine Tailings in Nova Scotia G E O S C I E …
Open File Report ME 2015-004 1 Review of the Environmental Impacts of Historic Gold Mine Tailings in Nova Scotia J. Drage Introduction Historic gold mining in Nova Scotia produced over 3 million tonnes (t) of tailings (Parsons et al., 2012).
Effect of particle size on arsenic bioaccessibility in gold mine
Tailings samples from the Goldenville and Montague abandoned gold mines in Nova Scotia, Canada were subjected to bioaccessibility tests to examine the effects of the choice of particle size fraction on the bioaccessibility of arsenic.
Arsenic and Mercury Contamination from Historical …
Historical stamp milling and Hg amalgamation activities at lode-gold mines in southern Nova Scotia have generated more than 3 million tonnes of tailings. From 1861 to the mid-1940s, gold was mined in 64 districts
Mercury in Historic Gold Mine Tailings
Mercury in Historic Gold Mine Tailings FAQ What is mercury? Mercury in its 'elemental' form is a dense, silver-white metal which is liquid at room ... How did mercury get into the environment at gold mines? When gold was mined in Nova Scotia in the late 1800s and early 1900s, crushed rock was spread over liquid mercury. Gold particles stick ...
Anaconda Mining joins the gold rush on Nova Scotia's …
Gold exploration and mining companies are lining up to get at Nova Scotia's gold, as the province undergoes a fourth gold rush. In 2017, Atlantic Gold opened the province's first-ever open pit gold mine in Moose River, with plans to open three more along the Eastern Shore, in what it peddled to investors as its […]
Nova Scotia Mine Tailings | novascotia.ca
The Nova Scotia Department of Natural Resources and Renewables (NRR) has identified 219 historical mineral processing sites throughout the province which likely contain mine …
Critics worry more tailings pond waste at gold mine could …
A pending decision from Nova Scotia's environment ministry could allow a contentious gold mine to pump more wastewater into its tailing ponds, raising alarm bells over what some critics call a lack of environmental scrutiny in the approval process.
[PDF] Mineralogical characterization of arsenic in gold mine tailings
ABSTRACT Chronic exposure to high concentrations of arsenic (As) in windblown and vehicle-raised dust from tailings sites in Nova Scotia poses a potential health risk to recreational users of these areas and to nearby residents. The exposure may involve inhalation of dust, as well as oral ingestion of particles. It is important to …
Dispersion and toxicity of metals from abandoned gold mine tailings …
An investigation of the tailing and rock dumps at the gold mines of Nova Scotia with a view of the past mining and milling methods, the present status of the gold industry in the province, and some suggestions for the revival of the industry.
Mineralogy and spectral reflectance of soils and tailings …
Mineralogy and spectral reflectance of soils and tailings from historical gold mines, Nova Scotia J.B. Percival; J.B. Percival * 1. Geological Survey of Canada-Ottawa, Natural Resources Canada, 601 Booth St., Ottawa, ON, Canada K1A 0E8 ... There is extensive dispersion of arsenic- and mercury-bearing mine tailings in the receiving …
Historic Gold Mine Tailings | Contaminated Sites
Tailings are a sand-like material. There are usually no rocks mixed in, but sometimes there are. The colour can vary between light brown to dark grey. They often look like a beach with fine sand but they are located inland without water. If your property is located in an old gold mine district …
Biological effects of gold mine tailings on the intertidal …
The field studies confirmed that most of those sites contain large volumes of unconfined tailings and that gold mine tailings throughout Nova Scotia contain elevated concentrations of mercury and arsenic, which were widely dispersed in …
N.S. wants to clean up a contaminated former gold mine — …
The Nova Scotia government wants to acquire one of the province's two most contaminated historical gold mines so it can clean it up. The Goldenville site, located near Sherbrooke on the Eastern ...
Biological effects of gold mine tailings on the intertidal …
Highlights • From 1861 to the 1940s, gold was mined in 64 districts in Nova Scotia. • Mine tailings had elevated concentrations of mercury and arsenic. • Sediment …
St Barbara wants to raise tailings dam at Touquoy gold mine in Nova Scotia
St Barbara could be forced to suspend its Touquoy mine soon should it fail to receive government approval for a proposed tailings capacity expansion.
Mineralogy and spectral reflectance of soils and tailings …
Gold was mined in 64 districts in southern Nova Scotia between 1861 and the early 1940s, followed by limited, intermittent production up to the present. There is extensive dispersion of arsenic- and mercury-bearing mine tailings in the receiving environment downstream from many of these sites. Elevated mercury concentrations, …
5 more old gold mines to be studied for cleanup | CBC News
The tailings site at the former Montague gold mine near Dartmouth, N.S. ... to assess and clean up dozens of sites that were potentially contaminated by gold mining over 100 years ago. Build Nova ...