Enter a page name to see changes on pages linked to or from that page. (To see members of a category, enter Category:Name of category). Changes to pages on your Watchlist are shown in bold with a green bullet. See more at
Help:Related changes.
diffhistStratovolcano 15:25−12
GeoWritertalkcontribs (Introduction - reverted "many sedimentary layers (strata)" to "many layers (strata)" - strata are layers of (any) rock, not all strata are sedimentary (rock); lava flows are not usually regarded as sedimentary rocks; lava can form (non-sedimentary) strata)Tag: Manual revert