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| Dekov, Vm; Damyanov, Zk; Kamenov, Gd; Bonev, Ik; Rajta, I; Grime, Gw. |
| A number of small, irregular-shaped and spherical shiny metallic particles have been found in the sediments from the Mir zone, Trans-Atlantic Geotraverse hydrothermal held (Mid-Atlantic Ridge, 26 degreesN). The phase variety of the particles examined is represented by metallic tin: tin-rich lead, and tin-copper phases. A detailed mineralogical study of these particles was carried out using optical microscopy, nuclear microscopy, scanning electron microscopy, electron microprobe, proton microprobe and X-ray diffraction analysis. Tin-lead grains have the typical eutectic microtexture of the metal components. Tin-copper grains are formed from single crystals of sorosite, eta -Cu6Sn5. The Sn-Pb-Cu complex grains are composed of fine stannoan lead... |
| Tipo: Text |
Palavras-chave: Zone hydrothermale; Dorsale médio-Atlantique; Étain et plomb natifs; Sorosite; Hydrothermal field; Mid-Atlantic Ridge; Native Sn and Pb; Sorosite. |
| Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/00322/43350/42876.pdf |
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