ks ▁in ▁the ▁ge ological ▁con gress es ▁of ▁Madrid ( 1 9 2 6 ), ▁London , ▁England ( 1 9 4 8 ), ▁Mexico ▁City ( 1 9 5 6 ), ▁India ▁( 1 9 6 4 ) ▁and ▁in ▁nearly ▁all ▁the ▁Brazil ian ▁ge ological ▁con gress es . ▁ ▁His ▁numerous ▁publications ▁deal ▁with ▁struct ural ▁ge ology , ▁t ect on ics ▁and ▁pet role um ▁ge ology ▁pract ically ▁on ▁every ▁country ▁he ▁worked . ▁He ▁had ▁an ▁out standing ▁interest ▁in ▁the ▁building ▁processes ▁of ▁mountain ▁ch ains ▁particularly ▁the ▁H imal ay as , ▁the ▁Al ps ▁and ▁the ▁North ▁and ▁South ▁America ▁cord iller as . ▁During ▁the ▁si xt ies ▁he ▁published ▁most ▁of ▁his ▁synth esis ▁on ▁the ▁ge ological ▁evolution ▁ ▁on ▁the ▁Brazil ian ▁Pale oz o ic ▁sed iment ary ▁bas ins . ▁He ▁also ▁made ▁a ▁major ▁contribution ▁to ▁the ▁first ▁T ect onic ▁Map ▁of ▁South ▁America . ▁He ▁was ▁one ▁of ▁the ▁first ▁ge olog ists ▁to ▁introduce ▁and ▁publish ▁on ▁Pl ate ▁T ect on ics ▁in ▁Brazil ▁and ▁thus ▁caused ▁many ▁po lem ics ▁during ▁deb ates ▁with ▁the ▁ge os yn cl inal ▁theory - orient ed ▁ge olog ists . ▁In ▁November ▁ 1 9 7 4 , ▁de ▁Loc zy ▁retired ▁and ▁was ▁hon ored ▁with ▁a ▁silver ▁plate ▁ins cribed ▁with ▁words ▁of ▁grat itude ▁by ▁the ▁fac ulty , ▁former ▁students ▁and ▁young ▁students ▁in ▁the ▁Institute ▁of