Sentence examples for exposed tailings from inspiring English sources

Unreclaimed mine tailings sites are a worldwide problem, with thousands of unvegetated, exposed tailings piles presenting a source of contamination for nearby communities.

The global impact of such mine tailings disposal sites is enormous, as unreclaimed mining sites generally remain unvegetated for tens to hundreds of years, and exposed tailings can spread over tens of hectares via eolian dispersion and water erosion [ Gonzalez and Gonzalez-Chavez 2006; Morris et al. 2003; Munshower 1994; U.S. Environmental Protection Agency (U.S. EPA) 2004; Warhurst 2000].

Metamorphosis was delayed or never occurred in tadpoles raised in young tailings; those exposed to older tailings developed similarly to those in reference wetlands.

The tailings exposed to weathering are important sources of Acid Rock Drainage (ARD), which contaminates the environment with metals, non-metals and sulphate anions as a result of the sulphide oxidation and leaching process [2 7].

Lost Lake bottom sediment samples have Al values comparable to argillite-rich ore (6.3 wt%; n = 3), but subareally-exposed tailings are much lower (0.9 wt%; n = 3).

It constituted only 7±10%0% of the As in the 97-LCD1 ore specimen, but average values were 11±5%5% (n = 5) in submerged tailings, 12 ± 5% (n = 2) in sediments/tailings at the water-line, and 30% ± 4% in air-exposed tailings (n = 2).

For example, in research published in the 1 May 2008 issue of Aquatic Toxicology, Van Der Kraak and colleagues found that goldfish exposed to wastewater from tailings ponds had dramatically lower plasma levels of testosterone and 17β-estradiol than control fish.

Developing walleye embryos were exposed to increasing concentrations of two tailings pond sediments (collected in the Athabasca oil sands area) until the completion of yolk absorption in control fish.

Rocky valleys created by great heaps of raw red-brown rock look like untidy mine tailings but are completely natural, exposed on this ancient land for 2.5m years.

However, most studies related to Hg uptake by plants have considered plants exposed to only atmospheric Hg, whereas in the case of tailings dumps, plants are potentially exposed to both soil and atmospheric Hg.

He talked for a while about such fears, like the toxic mine tailings he knew his son and his friends had been exposed to, and as he spoke I felt a kinship with him that would have eluded me only four months earlier.