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.
A forced shutdown is where you literally force your computer to shut off. To shut down when the computer is not responding, hold the power button in for about 10 to 15 seconds and the computer should power down. You will lose any unsaved work that you had opened. If the previous steps didnât work, the very last resort is to unplug the computer from the wall plug.