Sentences with phrase «work in the shallow areas»

This research not only provides the first clear evidence that microorganisms were directly involved in the deposition of Earth's oldest iron formations; it also indicates that large populations of oxygen - producing cyanobacteria were at work in the shallow areas of the ancient oceans, while deeper water still reached by the light (the photic zone) tended to be populated by anoxyenic or micro-aerophilic iron - oxidizing bacteria which formed the iron deposits.

Not exact matches

Buildings used to be designed with the climate in mind with big opening windows to the exterior; shading and bris de soliel to the south; shallow working areas to maximize exposure to natural light.

Excited and bounding with energy, the child worked on some new moves for a few minutes and then she proceeded to dive again in the shallow area.