SELECTIVE DEPTH ANALYSES OF THE ALTERATION PRODUCTS OF BORNITE, CHALCOPYRITE AND PYRITE PERFORMED BY XPS, AES, RBS
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dc.contributor.author | Pratesi G. | |
dc.contributor.author | Cipriani C. | |
dc.date.accessioned | 2021-02-03T02:20:26Z | |
dc.date.available | 2021-02-03T02:20:26Z | |
dc.date.issued | 2000 | |
dc.identifier | https://elibrary.ru/item.asp?id=31927271 | |
dc.identifier.citation | European Journal of Mineralogy, 2000, 12, 2, 397-409 | |
dc.identifier.issn | 0935-1221 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/24475 | |
dc.description.abstract | The comparative application of three complementary surface analytical techniques allows us to investigate the alteration process and to probe selectively, as a function of depth, the oxidation products of bornite, chalcopyrite and pyrite. Starting from a pristine surface, the samples have been studied at different stages of alteration up to a strongly oxidized state after two years of air exposure. In spite of their different compositions, some similarities exist in their oxidation: iron sulfates seem to be mainly responsible for the increase of alteration whereas copper sulfide layers, due to iron depletion from the subsurface area, act as a barrier to the progress of alteration. | |
dc.title | SELECTIVE DEPTH ANALYSES OF THE ALTERATION PRODUCTS OF BORNITE, CHALCOPYRITE AND PYRITE PERFORMED BY XPS, AES, RBS | |
dc.type | Статья |
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