Fig. 5: Map of the Taba-Ba’astakh cliffs and Lena River bank with locations of sites where the speleothems were collected. | Nature Communications

Fig. 5: Map of the Taba-Ba’astakh cliffs and Lena River bank with locations of sites where the speleothems were collected.

From: Arctic speleothems reveal nearly permafrost-free Northern Hemisphere in the late Miocene

Fig. 5

The moss-grass-shrub tundra is marked by green, the Lena River is in the black area, and thin blue lines in the green area represent small inlet streams. Black contour lines of 50, 100 and 150 m show the elevation above sea level. The cliffs are shown in brown-beige, the sites with in-situ speleothems are shown by circles, including the STBB-4 site. Two sections of the riverbank where speleothem fragments were collected, STBB-I and STBB-II, are shown by yellow and pink, respectively, with the ship mooring site in between.

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