What creations were the first? The universe in its expansion seemed to be a gigantic playground worthy of an incredibly mighty and unlimited being. The powerful, pulsating energy of a star, the fragile richness of stellar nebulae, the majestic „grandeur“ of a planet revolving around its own axis, the immeasurable darkness of space.
The process of becoming and passing, condensing and dissolving was nothing more but a mutation of forms in itself. Nothing disappears because everything is contained in Divine Consciousness. The Lord apparently lost in His unintentional play with Himself. It stretched over unimaginable periods compared to human life. And yet it was only a short prelude to the Supreme Who revealed Himself.
Then time had come: A special world was emerging. We later gave her the name "earth". Mother regarded her as representative:
„… the earth is symbolic, representative – symbolic of concentrated universal action allowing divine forces to incarnate and work concretely.“ (Mother's Agenda, 2 August 1961) Thus, we may regard it as a privilege to be incarnated on earth.
Small sparks of the Divine floated into the inhospitable depths of the young earth. In this huge construction kit of water, earth, stone and metals where something very special had to be worked out. Still the small dot was not conscious and tried to unfold and express itself. In its infinitely creative power it struggled to use the material and explore its laws. Not tied to this it could move freely in it.
Even in the mineral kingdom there are phenomena that reveal a hidden consciousness, such as certain crystals. When one looks at the precision, with what accuracy and harmony they are formed, if one only is in the least open, one feels inevitably that there is a consciousness behind it, that cannot be the result of unconscious coincidence. (from: Sri Aurobindo, Die Mutter und andere Autoren. „Flüstern der Natur.“ iBooks., p. 32)
Asked about the nature of metals the following statement is interesting in regard to the "golden dust" of the Supramental Consciousness in a later chapter:
"Ah, it's completely different from the stone, at least the gold. It's cold down the spine. –It's as if it were very fluid, very light, as flooded with light. I feel it in relation to the sun – it’s like liquid sun." 
Mr. Reiter felt metals as the blood of the earth which has something to do with forces. For him the stone represented the bones. These descriptions give the impression of a spirit that had created an approximate layout to refine itself more and more according to this model.
At some point the little consciousness began his first attempts to create something stable with all the material. A first shell like that of unicellar organisms? A first tiny form of life?
"There are infinitely many of them. The round one is preferred, with cones on it, and then there is something that is elongated ... They seem to be arbitrarily large, can be reduced and enlarged arbitrarily. – They are not correct in color or form, they glow somehow whitish. Grooved with tiny little cones on the surface or like a stick or squiggled like a knot ... The things look like bacteria. " (Note: The simple language reflects the dullness of this stage of consciousness) 
Both these first micro-organisms as well as the later plankton Mr. Reiter regarded as "a rather dull thing", a "very diffuse stage". This coincides with the statement of Sri Aurobindo that the point consciousness was not yet aware of himself. Mother made the same experience a few years later when she immersed herself deeper and deeper into the matter and came across the global unconscious.
For a long time the planet Earth was mainly covered by water. The single cells survived many thousands of years in this nutrient medium. They formed the first organic structures which can be considered the basis for all further life.
... one can even say that forms are generally the result of the effort of love to bring consciousness into matter. … There would be nothing, neither stone, nor metal, nor any arrangement of atoms without this presence of Divine love.
 Dr Peter Reiter in „Der Wiederverkörperungsweg eines Menschen durch die Jahrtausende, Werner J. Meinhold, AURUM Publishing House, Freiburg im Breisgau, 1989, p. 249
 a.a.O. , p. 243