Bottom sediments and pore waters near a hydrothermal vent in Lake Baikal (Frolikha Bay)
Russian Geology and Geophysics
By: L.Z. Granina, J. Klerkx, E. Callender, M. Leermakers, and L.P. Golobokova
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Abstract
We discuss the redox environments and the compositions of bottom sediments and sedimentary pore waters in the region of a hydrothermal vent in Frolikha Bay, Lake Baikal. According to our results, the submarine vent and its companion nearby spring on land originate from a common source. The most convincing evidence for their relation comes from the proximity of stable oxygen and hydrogen isotope compositions in pore waters and in the spring water. The isotope composition indicates a meteoric origin of pore waters, but their major- and minor-element chemistry bears imprint of deep water which may seep through permeable faulted crust. Although pore waters near the submarine vent have a specific enrichment in major and minor constituents, hydrothermal discharge at the Baikal bottom causes a minor impact on the lake water chemistry, unlike the case of freshwater geothermal lakes in the East-African Rift and North America. ?? 2007.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Bottom sediments and pore waters near a hydrothermal vent in Lake Baikal (Frolikha Bay) |
| Series title | Russian Geology and Geophysics |
| DOI | 10.1016/j.rgg.2006.04.001 |
| Volume | 48 |
| Issue | 3 |
| Year Published | 2007 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Russian Geology and Geophysics |
| First page | 237 |
| Last page | 246 |
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