collision of two continental tectonic plates
USGS, <a href="//commons.wikimedia.org/wiki/User:Nefronus" title="User:Nefronus">Nefronus</a>, <a href="//commons.wikimedia.org/wiki/User:Gretarsson" title="User:Gretarsson">Gretarsson</a>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Continental-continental_convergence_Fig21contcont.gif" title="File:Continental-continental convergence Fig21contcont.gif">Continental-continental_convergence_Fig21contcont.gif</a></li>
<li>slightly modified using information from <a rel="nofollow" class="external free" href="https://www.researchgate.net/figure/MECHANISM-OF-A-SUBDUCTION-ZONE-A-AND-CONTINENTAL-COLLISION-B-MARSHAK-2001_fig11_318599581">https://www.researchgate.net/figure/MECHANISM-OF-A-SUBDUCTION-ZONE-A-AND-CONTINENTAL-COLLISION-B-MARSHAK-2001_fig11_318599581</a></li></ul>