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.
While on the sign-in screen, click/tap on the Power button, and click/tap on Shut down. (see screenshot below) OPTION SIX To Shut down Computer using Power Buttons and Lid Note This option is to specify what your computer does when you close the lid and/or press the power buttons 1. Open your Power Options.elect Shut down in the drop down menu, and click/tap on OK or press Enter. (see screenshots below) OPTION FOUR To Shut down Computer from Ctrl+Alt+Del Screen Note If you have fast startup turned on, then this option will perform a hybrid shutdown instead of a full shutdown.