What Rock Is Fossils Usually Found In? Most fossils “hide out” in sedimentary rock . When tiny bits of rocks and minerals (called sediment) join together over millions of years, they become sedimentary rock. Plants and animals that become sandwiched in this sediment eventually turn into fossils. Two examples of sedimentary rocks are sandstone and
Why Are Fossils Useful In Dating Rocks? Geologists obtain a wide range of information from fossils. They help us to understand evolution, and life in general; they provide critical information for understanding depositional environments and changes in Earth’s climate; and they can be used to date rocks. What is the fossil record and how does
Are All Rocks Old? Are all rocks old? These rocks vary greatly in age, a reflection of their different ages of formation and their subsequent histories. The oldest dated moon rocks, however, have ages between 4.4 and 4.5 billion years and provide a minimum age for the formation of our nearest planetary neighbor. Are all
Do Archeologists Lick Bones? Do archeologists lick bones? Archaeologists sometimes used to lick artifacts they excavated in the field to determine if they were bone or not. Everything on an excavation, including the archaeologists themselves, is often covered in dirt, so it can be difficult to tell what material an object is made of when