In addition, there is growing recognition of abiotic organic synthesis in various geological materials. |
It happened 252 million years ago, at the boundary of the Permian and Triassic geological ages. |
We concentrate on phosphorus as the nutrient that is biolimiting on geological time scales and potentially leaves a complete geological record. |
The geological history of Archaean greenstone belts is controversial and, to date, no tectonic model for their evolution has been agreed upon. |
It may be on geological fault lines, and there is always a risk of surface rockslides, especially in Peru's rainy season. |
This morning we heard about the geological history of Mars, especially as it was influenced by the presence of water. |