Experimental determination of the reaction chalcopyrite + sulfur = pyrite + bornite from 350 to 500° C
Economic Geology
By: P. B. Barton Jr. and P. Toulmin III
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Abstract
The fugacity of sulfur along the curve representing the univariant equilibrium assemblage, chalcopyrite + bornite + pyrite + vapor, has been determined by the electrum tarnish method (1). The conditions of the equilibrium may be expressed by the equation (TP) - /°s 2 (T, 1 atm) = -50,730 + 56.95T (cal.) (350 - 500° C) (T in °K). With gentle curvature, the line may be extended upward to the invariant point at 568° C, which represents the assemblage chalcopyrite + bornite -j- pyrite + liquid + vapor (8).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Experimental determination of the reaction chalcopyrite + sulfur = pyrite + bornite from 350 to 500° C |
| Series title | Economic Geology |
| DOI | 10.2113/gsecongeo.59.5.747 |
| Volume | 59 |
| Issue | 5 |
| Publication Date | August 01, 1964 |
| Year Published | 1964 |
| Language | English |
| Publisher | Society of Economic Geologists |
| Description | 6 p. |
| First page | 747 |
| Last page | 752 |