pictures from Reinhard Nitze, Barsinghausen, Lower Saxony, Germany
of the puddles (except
the “big” one) looked like this. You can see the rusty colour
This colour originates from products of decomposition which already had
the fringe of the puddle
there is the decomposinggrain
saturated with water. It is covered by a thin blueish-white cover of
which has a shine of metal. This cover is missing where the water is
the grains are beneath the surface. There the water has an intensively
colour caused by unicellular algae.
a smaller puddle a
relatively thick layer of bacteria has formed. The surface had been
slightly and thus torn apart the orginal film of bacteria. In the gaps
fissures, a new generation of bacteria has formed a new film of a
Extremely bright colours in
the “big” puddle. I do not know why the colours are especially bright
colours were confined to a small area on the “eastern shore”. There was
direct sunlight necessary to see the colours. I could even see it
better in the
scattered light when there were clouds hiding the sun.
this part of the puddle,
water had evaporized and oozed away lowering the colourful film onto
and gravel which originally had been under water. As a result, the film
bacteria had crumpled and in parts formed structures with radial rays.
On the “north shore” of the
“big” puddle, the film of bacteria had been pushed together by the
structures somehow remind of the surface of Jupiter. Almost all of the
points are insects. Many of them could walk around on the film of
without sinking in, but there were also some victims...
The same place as shown in
picture 6, but now seen against the light. The reflected sun has a long
shape on the film of bacteria pushed together by the wind, similar to a