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NE Mound, Daxi hydrothermal field, Carlsberg Ridge, Indian Oceani
| Regional Level Types | |
|---|---|
| NE Mound | Hydrothermal Vent |
| Daxi hydrothermal field | Hydrothermal Vent |
| Carlsberg Ridge | Mid-Ocean Ridge |
| Indian Ocean | Ocean |
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Latitude & Longitude (WGS84):
6° 48' 13'' North , 60° 10' 33'' East
Latitude & Longitude (decimal):
Type:
The inactive NE mound is characterized by chimneys composed almost entirely of amorphous silica. The NE mound occupies an area of ∼2400 m2 and is situated on the southeastern flank of the northern hill at a depth of 3425 m. This mound hosts an inactive, ∼2 m-high silica chimney and is draped by a thick layer (>20 cm) of tan, semi-lithified Fe–Mn oxides. These observations collectively indicate that the NE mound experienced hydrothermal activity in the past but has remained inactive for an extended period.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Opal | 4.DA.10 | SiO2 · nH2O |
| ⓘ | var. Opal-A | 4.DA.10 | SiO2 · nH2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Opal | SiO2 · nH2O |
| H | ⓘ Opal var. Opal-A | SiO2 · nH2O |
| O | Oxygen | |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Opal var. Opal-A | SiO2 · nH2O |
| Si | Silicon | |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Opal var. Opal-A | SiO2 · nH2O |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
Other Regions, Features and Areas containing this locality
Indian PlateTectonic Plate
- Indian BasinOceanic Crust
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References
[1]Yang, Ming; Wang, Yejian; Han, Xiqiu; Qiu, Zhongyan; Cai, Yiyang; Li, Honglin; Wang, Hanlin (2026) Structural controls on hydrothermal circulation at a segment end: Insights from a silica chimney of the Daxi Vent Field, Carlsberg Ridge. Ore Geology Reviews, 192. 107253 doi:10.1016/j.oregeorev.2026.107253
