parametros npv-2

7/18/2019 Parametros NPV-2

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Revenue and Cost Calculations Revenue and Cost CalculationsRevenue and Cost Calculations Revenue and Cost Calculations

Data Input

Rock Type Rock 1

AU 1CU 1Bench 1PCAF 1MCAF 1

Revenues and costs per tonne Revenues and costs per tonne

Mill



Processing ethod selection

Mining



Revenue and Cost CalculationsRevenue and Cost Calculations

Unit

gra s!tonnePercent

Revenues and costs per tonne

Recovery

Revenue " #price$selling cost%&recovery&gradePRPR

Processing

'C

PCPC

Cuto(s

're or )aste*



+et revenue " i, ore- #ad.usted revenue%$#ad.usted processing costs%/ else- $#reha0ilitation cost%

Processing ethod selection ielding a2i u net revenueFirst that yields ore

Re,erenceBench di( " a0s#0ench$3aste e2it 0ench%Ad.ust ents

rock type ad.Ad.usted " #re,erence&#rock type ad.% 4 0ench ad.%&MCAF




AUCURevenue " #price$selling cost%&recovery&gradeAUCU

TotalAd.usted " total&# ining recovery%

're costsCorrection " #cost o, ining as ore at this 0ench%$#cost o, ining as 3aste at this 0ench%Ad.usted " #ore costs%&# ining dilution%&PCAF 4 CorrectionProduct costs " #unit cost%&recovery&grade

TotalAd.usted " total&# ining recovery%

5cono ic " 'C!#PR!grade$PC!grade%

Ad.usted " in# a2#econo ic co- ini u co%- a2i u co%

Average grade " su o, included grades divided 0y their ad.usted cuto(s

#ad.usted revenue%$#ad.usted processing costs%6$#reha0ilitation cost%



#average grade%61all included grades greater than their ad.usted cuto(sat least one included grade greater than its ad.usted cuto( everything is ore


Processing ethod selection ielding a2i u net revenueFirst that yields ore

Bench di( " a0s#0ench$3aste e2it 0ench%

0ench ad. " #0ench di(erential%&#re,erence ad.ust ent%

Ad.usted " #re,erence&#rock type ad.% 4 0ench ad.%&MCAF




Revenue " #price$selling cost%&recovery&grade

Ad.usted " total&# ining recovery%

Correction " #cost o, ining as ore at this 0ench%$#cost o, ining as 3aste at this 0ench%Ad.usted " #ore costs%&# ining dilution%&PCAF 4 CorrectionProduct costs " #unit cost%&recovery&gradeAUCU


5cono ic " 'C!#PR!grade$PC!grade%AUCUAd.usted " in# a2#econo ic co- ini u co%- a2i u co%AUCUAverage grade " su o, included grades divided 0y their ad.usted cuto(s






ielding a2i u net revenue






Revenue " #price$selling cost%&recovery&grade


Correction " #cost o, ining as ore at this 0ench%$#cost o, ining as 3aste at this 0ench%Ad.usted " #ore costs%&# ining dilution%&PCAF 4 CorrectionProduct costs " #unit cost%&recovery&grade







Correction " #cost o, ining as ore at this 0ench%$#cost o, ining as 3aste at this 0ench%Ad.usted " #ore costs%&# ining dilution%&PCAF 4 Correction






Correction " #cost o, ining as ore at this 0ench%$#cost o, ining as 3aste at this 0ench%




Revenue Processing Mining7!tonne 7!tonne 7!tonne

Block ass 189 tonnes

Unde:ned 3aste tonnes ;<=Parcel 1 tonnes >8<;;=>?8 9<1@1=?8 ;<@>;8Parcel 8 tonnes 89<81@=?8 9<1@1=?8 ;<@>;8

Result

;<?1;<@@

<=@@1@< >;1?889<81@=?889<81@=?8

>< >;

>< >

;1<991=?89<1@1=?89<1@1=?8

;<9> =1??=1=;<;;819; ==@

;<9> =1??=1=;<;;819; ==@

<91?@> =1;=

're



're're're're

8;<;>=

MillMill

;<=1?

;

1<1@;<@>;8



Revenue Processing Mining alue Revenue Processing Mining7 7 7 7 7 7 7

; ; @=<9 $@=<9 ; ; @=<9

@=<9 $@=<9; ; ; ;



alue7

$@=<9

parametros npv-2

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