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Evidence for postentrapment diffusion of hydrogen into peak metamorphic fluid inclusions from the massive sulfide deposits at Ducktown, Tennessee
| Content Provider | Semantic Scholar |
|---|---|
| Author | Na, Ronnnr J. Bou |
| Copyright Year | 1991 |
| Abstract | The Ducktown, Tennessee, mining district contains some of the largest metamorphosed pyrrhotite-pyrite-rich massive sulfide bodies in the Appalachian-Caledonian orogen. The ore bodies attained middle amphibolite grade (525-550'C, 6-7 kbar) during the Taconic orogeny (-480 Ma). Theoretical calculations of C-O-H-S fluid speciation srrggest that HrO and CO, generally comprised 94-100 molo/o of the molecular species in the peak metamorphic fluid over the entire rcrrye of for-f", conditions indicated by silicate * sulfide + oxide + graphite equilibria in the massive sulfide deposits and country rocks. Other significant species were CHo ( |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.minsocam.org/ammin/AM76/AM76_1344.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
