268
I Me conlenlln Ice mfted
sedlmenl « 2~m)
Land-Ocean Systems in the Siberian Arctic: Dynamics and History
I .
s.n.ctde COO\enlln IC8 mfted
secimenl « 211m)
Clinopyroxene contenlln ICe •
rafted Iedoment (I 25-63i1m)
I ...
Figure 3: Heavy- and clay mineral data in sea-ice sediments in the Laptev Sea and the central Arctic Ocean (clay
data from Wollenburg, 1993; Niirnberg et aI., 1994; BG = Beaufort Gyre).
1991). Because an exact identification of these minerals is not possible using a polarisation
microscope, they are grouped into "detrital carbonate".
To show the average error depending on the amount of counted grains, a calculation of
confidence intervals (after Boenigk, 1983) is listed in Table I.
I Me conlenlln Ice mfted
sedlmenl « 2~m)
Land-Ocean Systems in the Siberian Arctic: Dynamics and History
I .
s.n.ctde COO\enlln IC8 mfted
secimenl « 211m)
Clinopyroxene contenlln ICe •
rafted Iedoment (I 25-63i1m)
I ...
Figure 3: Heavy- and clay mineral data in sea-ice sediments in the Laptev Sea and the central Arctic Ocean (clay
data from Wollenburg, 1993; Niirnberg et aI., 1994; BG = Beaufort Gyre).
1991). Because an exact identification of these minerals is not possible using a polarisation
microscope, they are grouped into "detrital carbonate".
To show the average error depending on the amount of counted grains, a calculation of
confidence intervals (after Boenigk, 1983) is listed in Table I.