More recently introduced terms such as 'annually laminated' are synonymous with varve. Of the many rhythmites in the geological record, varves are one of the most important and illuminating in studies of past climate change. Varves are amongst the smallest-scale events recognised in stratigraphy.
Computer Randomly Shuts Down: Possible Reasons. If your laptop or computer shuts down by itself randomly, then there can be many possible reasons for it. Knowing the problems due to which your PC keeps shutting down frequently will help you deal with them accordingly. Reason #1: Virus Infiltration.
You maybe working on an important project and your PC keeps shutting down randomly every 15 minutes or so. You hit the restart button and then it turns on again. Computer keeps shutting down is not a healthy sign. You need to carry out some simple diagnosis that helps treat the problem. Let us have a look at some of the causes that explains why your PC keeps shutting down randomly.