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.
SYMPTOMS. After you click the Shut Down The Computer option in the Shut Down Windows dialog box and then click OK, your computer may stop responding (hang) or display a black screen after you see the Please wait while your computer shuts down screen. Back to the top | Give Feedback.