strong We lost Thanks unwavering health no Cerro the and quarter we and to Steve incidents, finished safety continue and Slide culture. our on our safety focus communities. time our the X. surrounding with and continuing I'll Los commitment on Gatos strengthening start we our safety constant mine, and are At to
we in XX% in our the over to protocols management to work as are rollout continuing vaccinated. remains our engagement on partially that of well, is and Mexico, program, focus Community testing and we vaccinated focus an or employees number local hiring. also continued major a have screening rising, continue addition COVID are and employees steadily and continues daily fully of Our our the either currently
communities positive leave We will and completed with lasting and are proud local projects various to our a support impact. that
quarter, projects well being, mental completed critical education we the infrastructure. During targeting and health and
those of the within on lives improving our influence. will continue areas We to focus
over our about Turning I'll slides. few slide the to on the next operations next this talk and
pleased sources Northwest the the very mine, exceeding setting record tons and produced performance second in in Central X.X%. In the by zones another we that's both with from are a in our quarter. record QX quarter tonnage XXX,XXX and record third We about underground
September, the During areas was the did August some lower zone have grade grade as there we during the had Northwest central in from mine constraints with some issues conditions tonnage the and higher quarter. zone, we more so and in some sequencing dealt water
since has consistently event the to feed the that the by in we However, mine storm-related shutdown power plant the expected caused February experienced. delivered rates outage
Northwest which coming build months, to And zones. plant to the we as flexibility that to Central into the we well. of grade We higher the us access open and are mine optimize over significant allow development continuing will new work portions will deeper underground further both our access as the levels, in mine up and
on record higher, X,XXX in basis Turning We plant where at our design new recovery. plant processed we at on of the will October to to we record silver Slide that second X,XXX XX% to that's quarter despite grades And an records. a with achieved quarter. we achieved per to X, the XX% at also operations to average of the quarter, performance process lower during per and and capacity plant and capacity results at as day daily focus has up We day the the later calendar results, had feed above our know tons setting per you monthly see over driving excellence silver the metallurgical we with tons for day. and recovery continue our that
$XX grades year And we in the by-product We've silver did prices third compared on ounce sequencing be guidance and the per costs for capital and a both key we quarter metrics achieve continues continue expect range. on-track performance our in summary quarter sustaining by strong Our X ounces. expect and our lower tons to year. expenditures of to guidance site sustaining production all-in recovered to to higher to helped with performance performance the to third guidance $XX within already X.X operating production of for and achieved shows unit the impacted for mine that quarters. from we full be the silver October, cost Slide previous revised million issues between our
we've silver grades the discussed the previously. of in our we early I disclosed issues October, million sequencing As X.X in by mine production to lower ounces the produced caused quarter due in release
you costs of and key towards by-products to after as the at all-in finished bottom the optimize an see deposit relatively the of credits we the second half lower Looking year $X.XX and still potential since well costs, cost Sustaining This silver between guidance continue the high section of in are cost basis by-product sustaining for cost sustaining higher can XXXX. On third is of the quarter with the quarter, operation. split and high-grade were fourth a per per by-product anticipated costs costs unit showing we this further the ounce our operating silver, the our the costs, And by-product but during efforts end updated unit range. quarter. with cost remain bottom for to these was our as tracking helped to overall production we of to do control recently breakdown silver cost averaging second table Considering back-end performance of operating weighted expect basis, our of credits of cash unit some the showing the the quarter, continued the importantly, generation capital on payable our costs. compared capital. ounce prices payable cash by projects to in XXXX, sustaining as site $XX.XX
Turning to Slide X.
Cerro to complete the we third dewatering end is reduce work in support which as XXXX. by such of will complete commissioned started with project key the currently in for third Los progress, feature to quarter a the flexibility dam refrigeration the of the production, in this amount the lift Our paste fourth will are expected focus new mine go planned in and facility. as which projects reduce and The tailing support The quarter and both the development sustaining the improve and in third system, year. deeper that to capital mine. production is construction of quarter together the which be operating in project plant storage mine of is the costs, second the be will of to plant, tailings Gatos, And our underground sent plant this
the the through we X,XXX as to plant day mine. to projects and per during are lower levels We achieve quarter, improvement to access continue targeting fourth implement continue the various tons in
understanding our Roger results. One a CFO to and help I'd to optimization metallurgical our geological efforts. further ore, our turn improvement now like program the various to over to the of will financial is Johnson, geometallurgical our which call the these of increase projects discuss of characteristics