In order to establish relative dates, geologists must make an initial assumption about the way rock strata are formed. It's called the Principle of Original Horizontality, and it just means what it sounds like: that all rock layers were originally horizontal. Of course, it only applies to sedimentary rocks. Recall that sedimentary rock is composed of... sediments, which are deposited and compacted in one place over time.
Larry Nassar sentenced to 60 years in prison Gymnastics December 7, 2017 The former US Gymnastics doctor was given a 60-year sentence in federal prison on child pornography charges.
Disgraced former USA Gymnastics doctor Larry Nassar was sentenced to 60 years in prison Thursday in a federal child pornography case. The former Michigan State University doctor â whoâs been accused of sexually assaulting more than 130 victims â in July pleaded guilty to three federal charges of obtaining and possessing child pornography and destroying computer files to hamper an investigation.