Some of our area's unique geological features and the processes that occurred to form them are: The fossil content of local limestone shows the diversity of life in the late Ordovician period.

John Wesley Powell A professor of geology at Illinois Wesleyan ... leaving behind the layers named Kaibab Limestone, Toroweap Formation, and Hermit Shale. The Coconino Sandstone layer was ...

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...

Limestone, made from calcium carbonate, takes millions of years to form. These sedimentary rocks are born from the decay and fossilization of marine organisms — think coral and clams.

Unusual structures of unknown origin discovered in desert rocks have been documented in a new study. In the desert regions of ...

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

were discovered in marble and limestone of these desert regions. The paper is published in the Geomicrobiology Journal. "We were surprised because these tubes are clearly not the result of a ...

were discovered in marble and limestone of these desert regions. "We were surprised because these tubes are clearly not the result of a geological process," said Professor Cees Passchier from ...

Pets, drones, alcohol and the collection of plants, animals, limestone rocks and other natural resources are prohibited.

In the vast and arid landscapes of Namibia, Oman, and Saudi Arabia, a team of researchers has identified a series of peculiar ...

His research focuses on the geological reconstruction of Precambrian ... during field work in Oman and in Saudi Arabia—in Oman in limestone, while in the Saudi Arabian desert they were in ...