fig08.htm

Figure 8. Variations of He isotope composition in fluids and rocks (top) and of the heat flow (bottom, after [Lysak, 1988]) along the strike of the Baikal (Baikal Khubsugul) rift zone. The black rhombs show the R values at sites inside the rift zone, open rhombs, the values for the Adjacent areas (for example, in the Bargusin and Bauntovo basins). The data for the rocks are shown by shaded rectangles in accordance with the range of the R values reported in [Drubetskoi and Grachev, 1987] (see the text for the explanation). The wavy lines show the R values in the gases dissolved in the water of lake baikal. For comparison, the horizontal line shows the R values for a MORB reservoir.


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