13 G EO L OG Vol ume 48 N umbe r N umer o 2 S umm er Et e 2 0 19 L e op ol d G e l i n a s M e d a l The Vo l can o l o g y an d Ig n eo u s P e tro l o g y D i v isi o n o f the Geo l o g ical Ass o ciat o n o f C an ad a ann u all y presen ts three m edal s fo r t h e m o st o u tst an d in g t h e ses w rit en b y Canad ian s o r sub m it ed to Canad ian un i v ersit e s w h ich c o m p ris e m ate ri al at least 5 0 r elate d t o v o lc an o l o g y and ig n e o u s p et ro l o g y A go ld p la te d m edal is aw ard ed fo r t h e b est P h D t h esis a silv er m edal f o r the bes t M S c t h esis an d an an tq u e co p p er m edal f o r the bes t BS c thesis Thes es ar e e v alu at ed o n the basis o f o rig in ali ty v ali d ity o f c o n cepts o rg an iz at o n and pres enta ton o f data un d ers tand in g o f v o lca n o l o g y an d d ep th o f re sear ch G e l i n a s A w a r d Go l d Be st Ph D T h e si s Award ed t o M e l i s s a And e r s o n P h D U n i v ers i ty o f O t a w a f o r R e la to n sh ip s b etw een tecton ic s vol ca n ism an d hyd r o ther m a l vent n g in the N ew H ebrides an d M a r ia n a ba c k a r c b a sins W est er n P a ci f c G e l i n a s A w a r d S i l ve r B e st M Sc T h e si s Award ed t o G a b r i e l S o m b i n i Do s S a n to s M Sc A ca d i a Un ive rsit y f o r P e tr o l o g y g eoc h em ist r y ag e an d tecton ic s e t n g of t h e M a r g a r ee plu ton A spy ter r a n e Cap e B r e ton Islan d N o va S c o t a G e l i n a s A w a r d B r o n ze Be st BSc T h e si s Award ed t o R e b e c c a C a n a m BSc Uni v e rsity o f Brit s h Co lu m b ia fo r Ag e p e tr o l o g y a n d g e o c h e m istr y o f a n a p p in it c la m p r op h yr e Hja l m a r L a ke S ou th Rae C r a to n N ort h w e st Ter r ito r ies Ser vic e A w ar d s Vol u n tar y Se r vic e A w a r d This award r ec o g n iz es th o s e m e m b ers an d n o n m e m b ers w h o hav e m ad e a sig n ifcant sin g u lar co n trib u ton thro u g h v o lu n tary s erv i ce to the Asso ciat o n o r t o t h e Ass o c iat o n s Se cto n s o r D ivi sio n s Award s w ere g i v en to D r J o h n T h o m p s o n an d A n n e T h o mpso n f o r t h ei r co n t n u ed a n d c o n s i s t en t v o lu n t ee r ef o rts re lat ed t o ann u al co n fer ences Award s w ere al so gi v en to D r S t e p h e n M o r i s o n an d D r Da v i d L e n t z f o r t h ei r s erv i c e t o t h e A ss o c i a t o n Cert f cates of A p p r e ci a t on Certfca te s o f Ap p re ciat o n are g iv en t o r ec o g n iz e the ef o rts an d co n trib u t o n s o f ind ividu als o n the L o c al Org an iz in g Co m m it e es f o r p ast an n u al co n f erenc es Certfca te s we r e aw ard ed to the m e m b ers o f t h e 2 0 1 8 Res ou r ce s for Fu tur e Gene r a to n s L o c a l O rg a n iz in g Co m m it ee C a t h e r i n e H i c k s o n Ear th the m e T echn ical Sessio n TS D a n G i b s o n Fi eld T rip s D a v i d C o r r i g a n Earth t h e m e TS D e a n n e v a n R o o y e n Ear th the m e TS El i z a b e t h S t o c k Sh o rt Co u rses M in erals an d E ar t h them e TS G r a h a m Y o u n g Earth the m e T S and J a m e s C o n l i f e Ea r t h t h e m e T S 50 y e a r M e m b e r This award is pres ented t o tho se m e m b ers w h o hav e c o n sist ently p aid m e m b ershi p in the GAC f o r 5 0 y ears The f rs t t m e the a ward w as present ed was in 1 9 9 7 o n GA C s 5 0 t h An n ive rsary Certf cate s an d pin s w ere aw ard ed t o Anth o n y T L Or s a S m i t h e r s B r i t s h Co l u m b i a M u r r a y A Ro e d K el o w n a B ri t s h Co l u m b i a W a l fr i e d M S c h w e r d tn e r S ca r b o r o u g h O n t a r i o a n d M i c h a e l J S ko p o s O r a n g ev i l l e Ca l i f o r n i a U S A