Western Australia has some unique sites to see: the Pinnacles in Nambung National Park formed from the remains of seashells; a pink lake in the Esperance area brought about by the acccumulation of alga producing the red pigment beta carotene; and the stromatolites on the outskirts of Cervantes.
In the town, all the names of the streets have Spanish connotations. We stayed in a small bed and breakfast that suited us in a street called Malaga. At one end, the road came to a halt and there began miles of white sand and igneous rocks that sparkled in the winter sun. As the sea roared in, I imagined we were on a desert island in the Indian Ocean.
A five minute drive took us to this peculiar lake containing the stromatolites. Around the lake are various boardwalks jutting out on to the lake. You can cicumambulate the lake in about 45 minutes.
The stromatolites are a kind of bacterial rock and they all sat in the shallows at the edge. Somehow, they evolved from rocks during an ancient period called the Archaean about 2,500 million years ago. Apparently, they were formed at some point during the first billion years of the earth's existence. Looking a bit like off-white sponges, if you stare long enough, you can see the odd bubble of oxygen emitted to rise to the surface of the water. This is the beginning of the process of photosynthesis.
After a geological while, the cynobacteria proliferated and produced CO2. I put my finger in the water and tasted it. It was so salty that I could still taste it hours later.
Some of the stromatolites were rather flat and shapeless while others were like large cauliflowers. (The word stromatolites comes from the Greek for matress.)
There they are, growing in the water as they must have been 2.5 billion years ago when they had become sticky and captured the dust and sand to for a 'rock' that was alive with bacteria.
The only animal we saw was a black swan sitting in the middle of the lake
Oh, and a man and woman did come along to see the stromatolites and I said to the him, "Say hello to your uncle!" But I don't think he knew what I was talking about, and he just smiled.
