 Ramba uchinyora ndima iyi - Dudziro yaLyell yechinjo yezvokuumbwa kwepasi sechiunganidzwa chenguva dzose chechinjo duku mukati menhambo refu zvikuru yenguva, musoro mukuru muMipimo, yakafurira Charles Darwin ane makore 22 okukura, uyo akapiwa vhoriyamu yokutanga yechinyorwa chokutanga naRobert FitzRoy, kaputeni weHMS Beagle, nguva pfupi vasati vaenda December 1831 parwendo rwechipiri rwechikepe. Pakumira kwavo kwokutanga pamhenderekedzo yegungwa paSt Jago, Darwin akawana matombo akaonekwa nemeso aLyell akamupa nzwisiso yechimurenga munhoroondo yegeology yechitsuwa ichi, nzwisiso yaakashandisa parwendo rwake rwese. 