Keith, Manuel; Haase, Karsten M; Schwarz-Schampera, Ulrich; Klemd, Reiner; Petersen, Sven; Bach, Wolfgang (2020): Electron microprobe data of hydrothermal sphalerite from submarine vent systems [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.921752
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Abstract:
Experimental studies have shown that temperature, pressure, sulfur fugacity ( fS2), and oxygen fugacity ( fO2) influence the Fe content of sphalerite. We present compositional in situ data on sphalerite from submarine volcanic-hosted massive sulfide (VHMS) ores of hydrothermal vents from different plate tectonic settings and with variable host-rock compositions. Sphalerite from sediment-hosted vents has systematically higher S contents and Fe/Zn ratios than those of the sediment-starved vents, reflecting an influence of fS2 and fO2 on Fe partitioning between fluid and sphalerite. The Fe/Zn ratios of sphalerite from sediment-starved vent systems apparently increase systematically with the fluid temperatures of the corresponding vents. We conclude that the composition of sphalerite can be used to (1) distinguish between sediment-hosted and sediment-starved hydrothermal processes, and (2) estimate minimum fluid temperatures of sphalerite precipitation from inactive sediment-starved hydrothermal vent sites and fossil VHMS deposits.
Related to:
Keith, Manuel; Haase, Karsten M; Schwarz-Schampera, Ulrich; Klemd, Reiner; Petersen, S; Bach, Wolfgang (2014): Effects of temperature, sulfur, and oxygen fugacity on the composition of sphalerite from submarine hydrothermal vents. Geology, 42(8), 699-702, https://doi.org/10.1130/G35655.1
Coverage:
Median Latitude: -3.335041 * Median Longitude: -167.678541 * South-bound Latitude: -25.316670 * West-bound Longitude: 69.233330 * North-bound Latitude: 27.266670 * East-bound Longitude: -12.371500
Date/Time Start: 2005-04-14T00:00:00 * Date/Time End: 2011-07-11T10:00:00
Minimum Elevation: -2993.0 m * Maximum Elevation: -548.0 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Keith, Manuel | |||
| 2 | Latitude of event | Latitude | Keith, Manuel | |||
| 3 | Longitude of event | Longitude | Keith, Manuel | |||
| 4 | Station label | Station | Keith, Manuel | |||
| 5 | Sample ID | Sample ID | Keith, Manuel | |||
| 6 | Area/locality | Area | Keith, Manuel | |||
| 7 | Copper | Cu | % | Keith, Manuel | Electron microprobe JEOL JXA-8200 | wt% |
| 8 | Iron | Fe | % | Keith, Manuel | Electron microprobe JEOL JXA-8200 | wt% |
| 9 | Sulfur | S | % | Keith, Manuel | Electron microprobe JEOL JXA-8200 | wt% |
| 10 | Zinc | Zn | % | Keith, Manuel | Electron microprobe JEOL JXA-8200 | wt% |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
1400 data points