January 27, 2017 Abrasion Banded Iron Formation. basin discovery environmental erosion evaporite field work geologic time geological structures geological time scale Ocean floor Sea floor sedimentary rock stratigraphy Banded-iron formations (BIFs) - Evidence of Oxygen in Early Atmosphere Our knowledge about the rise of oxygen gas in Earth’s atmosphere comes from multiple lines of evidence in the rock record, including the age...
January 07, 2017 Abrasion discovery erosion field work geological structures geological time scale geology James Hutton rocks sedimentary rock sedimentary structure sediments stratigraphy stress structure unconformity Siccar Point - the world's most important geological site and the birthplace of modern geology Siccar Point is world-famous as the most important unconformity described by J ames Hutton (1726-1797) in support of his world-changin...