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.
Shutting down from the Start button. In Windows 8.1 and Windows RT 8.1, there's a faster way to shut down desktops and laptops. Move your mouse to the bottom-left corner of the screen and right-click the Start button or press Windows logo key +X on your keyboard. Tap or click Shut down or sign out and choose Shut down.