▁in ▁Victoria ▁Land . ▁The ▁name ▁was ▁applied ▁in ▁ 1 9 6 4 ▁by ▁American ▁ge ologist ▁Parker ▁E . ▁C alk in ▁and ▁is ▁apparently ▁descript ive ▁of ▁its ▁position ▁and ▁small ▁size . ▁ ▁References ▁▁ ▁Category : L akes ▁of ▁Victoria ▁Land ▁Category : Mc M ur do ▁D ry ▁Valle ys <0x0A> </s> ▁The ▁Sal ton ▁Tr ough ▁is ▁an ▁active ▁t ect onic ▁pull - ap art ▁bas in , ▁or ▁gra ben . ▁It ▁lies ▁within ▁the ▁Imperial , ▁R ivers ide , ▁and ▁San ▁Diego ▁count ies ▁of ▁sout he astern ▁California , ▁United ▁States ▁and ▁extends ▁south ▁of ▁the ▁Mexico – Un ited ▁States ▁border ▁into ▁the ▁state ▁of ▁B aja ▁California , ▁Mexico . ▁The ▁north western ▁end ▁of ▁the ▁tr ough ▁starts ▁at ▁the ▁San ▁G org onio ▁Pass ▁in ▁R ivers ide ▁County , ▁and ▁extends ▁ ▁sout heast ▁to ▁the ▁G ulf ▁of ▁California . ▁ ▁Major ▁ge ographical ▁features ▁located ▁in ▁the ▁tr ough ▁include ▁the ▁Co ach ella ▁Valley , ▁the ▁Sal ton ▁Sea , ▁and ▁the ▁Imperial ▁Valley , ▁in ▁the ▁United ▁States , ▁and ▁the ▁western ▁side ▁of ▁the ▁Mex ical i ▁Valley , ▁and ▁the ▁Colorado ▁River ▁D elta ▁in ▁Mexico . ▁ ▁The ▁Sal ton ▁Tr ough ▁is ▁a ▁result ▁of ▁cr ust al ▁stretch ing ▁and ▁s inking ▁caused ▁by ▁the ▁combined ▁actions ▁of ▁the ▁San ▁Andreas ▁F ault ▁and ▁the ▁East ▁Pacific ▁R ise , ▁particularly ▁the ▁G ulf ▁of ▁California ▁R