The oldest known rocks on Earth are 4.03 billion years old from the Acasta Gneiss in Canada. Other old rocks have been found in Greenland and Australia. Zircons from the Jack Hills in Australia are the oldest rocks at 4.4 billion years old and suggest the oceans may be older than previously thought. Only 7% […]
Sedimentary rocks are formed from layers of sediment and contain many fossils, including delicate features. As sediments are buried, they undergo pressurization and compaction, leading to the formation of fossils through mineralization and cementation. Fossils can also preserve footprints, tracks, and burrows. Most of the earth’s surface is covered in a type of rock called […]
Clastic rocks are formed from small fragments of other rocks, known as clasts, and can be sedimentary, igneous, or metamorphic. They provide geological clues about the history and formation of rock formations and can be identified by their texture and composition. Clastic rocks are rocks composed of small fragments of other rocks. These fragments, known […]
“The hand that cradles the cradle” is an idiom referring to a woman’s influence on children and potentially the world. It can be used positively or negatively, with mothers often having a large influence on how their children are raised and developing their morals, manners, work ethic, and belief systems. The saying has been used […]
