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Oxidation rate of pyrite in acid sulfate soils: in situ measurements and modelling.
Australian Journal of Soil Research; 9/1/2004; Cook, F.J. Dobos, S.K. Carlin, G.D. Millar, G.E.; 787 words
; ... studies on the oxidation of iron sulfides but mainly to study ... pyrite (Fe[S.sub.2]) to ferrous iron ([Fe.sup.2+]) and sulfate ... 1970; Stumm and Morgan 1981; White et al. 1993): (1) [MATHEMATICAL ... and g is gaseous. The ferrous iron produced in this reaction can be further oxidised to ferric ...
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Canasil Geological Mapping Outlines Large Copper Gold Porphyry Drill Target on the Brenda Project, Toodoggone District, BC, Canada
CCNMatthews Newswire; 8/8/2006; 787 words
; ... immediately to the northeast of the previously drilled main White Pass copper gold porphyry area. The zone trends north-south ... alteration is characterized by strong clay (illite) alteration with iron oxides after pyrite, pyrite, minor secondary copper minerals ... zone adjacent to the best previous drill ...
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Effects of Bauxsol[TM] on the immobilisation of soluble acid and environmentally significant metals in acid sulfate soils.
Australian Journal of Soil Research; 9/1/2002; Lin, Chuxia Clark, Malcolm W. McConchie, David M. Lancaster, Graham Ward, Nick; 787 words
; ... of acid sulfate soils have been well recognised (Dent 1986; White et al. 1997). Acid sulfate soils contain metal sulfides (mainly ... the colour, which is due to the presence of abundant oxidised iron compounds. Because raw red mud contains large amounts of sodium ...
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Genius who put us on the map; He was scorned by his peers, jailed for debts and abandoned by his nymphomaniac wife. But William Smith's geological map helped transform Britain into the world's first industrial superpower.
The Daily Mail (London, England); 6/30/2001; Hudson, Christopher; 787 words
; ... drilling for oil and gas, and mining for iron, tin, diamonds, platinum and silver ... attention on the Oxfordshire landscape: the white chalk, too soft to sharpen his knife; the crystals of fool's gold (iron pyrites) found by workmen draining the village ...
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Delightful range of festive reading
Western Morning News, The Plymouth (UK); 12/22/2007; 787 words
; ... Votre Passion, Monsieur with foreword by John Martin (White Lane Press, pounds20), is about another Cornish artist ... its inventor, Christopher Pinchbeck in 1720. Cut steel, iron pyrites, faux pearls, ivory, coloured glass and wire work are ...
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Science: A pit's poisoned legacy An old mining village has made good its polluted past.
The Independent - London; 3/26/1999; Simon Hadlington; 742 words
; ... two large black iron tubs, once used ... with very high iron, aluminium and ... floating masses of white froth with the ... and coal contains iron disulphide, commonly known as iron pyrites. "When these minerals ... acid and soluble iron salts. This resulting ... aluminium salts." ...
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The response of partially oxidised acid sulfate soil materials to anoxia.
Australian Journal of Soil Research; 9/1/2004; Ward, Nicholas J. Sullivan, Leigh A. Bush, Richard T.; 787 words
; ... sulfate soils (ASS) contain iron sulfides (principally ... of sulfide oxidation (White and Melville 1996). Unoxidised ... of oxidation by ferric iron ([Fe.sup.3+]) formed during ... in the soil solution (White et al. 1997), and although ... from the reduction of iron(III) oxides, sulfates ... content ...
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The process of sulfide oxidation in some acid sulfate soil materials.
Australian Journal of Soil Research; 7/1/2004; Ward, N.J. Sullivan, L.A. Fyfe, D.M. Bush, R.T. Ferguson, A.J.P.; 787 words
; ... sulfate soil (ASS) contains iron sulfides or the products of sulfide oxidation (White and Melville 1996). Pyrite ... and Bush 1997; Bush 2000) and iron monosulfides [i.e. amorphous ... Singer and Stumm 1970). Iron-oxidising bacteria (i.e. mostly ... Bloomfield 1972; Arkesteyn 1980). Iron ...
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DVD REVIEW
Boise Weekly; 7/2/2008; Estvold, Travis; 493 words
; FOOL'S GOLD Iron pyrite looks similar to the stuff they make wedding rings out ... sources, it's a race to see who can unearth the dig first. Like iron pyrite, Fool's Gold looks pretty on the exterior. Two of the ... Gondry has directed some of my favorite music videos by The White Stripes, Daft Punk and The ...
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Sulfide oxidation and acidification of acid sulfate soil materials treated with CaC[O.sub.3] and seawater-neutralised bauxite refinery residue.
Australian Journal of Soil Research; 11/1/2002; Ward, Nicholas J. Sullivan, Leigh A. Bush, Richard T.; 787 words
; ... areas of Australia (White and Melville 1996). ASS contain iron sulfides (principally ... of sulfide oxidation (White and Melville 1996) and ... once formed, ferric iron ([Fe.sup.3+]) becomes ... Singer and Stumm 1970). Iron-oxidising bacteria ...
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