Mikrofossils from marine sediments consisting of radiolaria (spheres), sponge spicules (needles), planktic foraminifera (small white shells) and benthic foraminifera (large white shell in the middle and yellowish shells build from sand grains); mean diameter of spheres 0.5 mm. Sample separated from bulk sediment by washing through a 125 µm sieve. Sediment is from the Antarctic continental margin, Eastern Weddell Sea.
<a href="//commons.wikimedia.org/wiki/User:Hgrobe" title="User:Hgrobe">Hannes Grobe</a> 20:52, 12 November 2006 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>