1. 1
APPENDIX

2. 2
PROJECTFINAL
PRESENTATION
08/21/13
MineTailingsMassFlowStudy
ACarlsonSoftwareApproach
PhotosbyA.Fournier

3. 3
Introduction
•Name:AntoineFournier
•University:McGillUniversity
•Degree:MiningEngineeringCo-op
•Expectedgraduationdate:06/15
•PositionTitle:Assistantmineengineer
•Department:MiningEngineering
•Supervisor/ManagerName:RobertPride
•WorkLocation:MarbleFalls,Texas
•ProjectTitle:MineTailingsMassFlowStudy

4. 4
Objectivesanddeliverables
•Allminesfaceaproblem:tailings
•Determinetailings;October2007thruJuly312013
•Wheretostore?
•Howlongisitgoingtolast?
•Atwhatrateisitpouring?
•Whataretheconsequenceforlifeofmineplanning?

5. 5
ElementsofSolution
•Determineelevationsofsedimentacrossthepondforgrid
•CalculatevolumeusingCarlsonminingsoftware
•Determineproductionrate(tonscrushed/years)
•Calculateportionofproductioneffectingtailings
•Determinetailingdepositionrate
•DetermineMassDensityoftailings

6. 6
Initialfinding2011

7. 7
FINESSTORAGEWORKSHEET
InitialFindingsRobertPride2011

8. 8
TailingsPoints
..
.
.
.

9. 9
Challenges
•Aerialsurveysshowonlywaterlevel(notsedimentlevel)
•Findsubmergedsedimentlevel
•Notpossibletogetpointsinthemiddle(havetoapproximate)
•Createagridfor2007whenminingbegan
•Waterlevelisneverconstant,hardtodrawcontactline

10. 10
Tailingpondgrid
Blue=Fill
Red=Cut

11. 11
Mineproductionschedulesummary
EffectiveTons
EffectiveTons=onlytonseffectingtailings

12. 12

13. 13
Result/CalculationSummary
•23,923,718cubicfootofsediment(fromCarlson)
•23,980,781tonsofrockeffectingtailings(fromproductionschedule)
•1tonofrock1cubicfootofsediment1.0:1.0
•Densityforrockisapproximately165lb/cuft
•Densityofwetsedimentis88.8lb/cuft
BYVOLUME
•Fromdensityofrockwehave290,676,133cubicfootofrock
•FromCarlsonwehave23,923,718cubicfootofsediment
•Thuscuftofsediment=8.25%cufteff.crushedtons
BYWEIGHT
•Fromvolumereportthereis1,062,213.11tonsofsediment
•Fromproductionschedulethereis23,980,781eff.tonsofrock
•Tonsofsediment=4.4%eff.crushedtons
•Swellfactortailing’sfineswithwater=1.67
(additionalstudyforbenefits)
Initialtailingssamplingnearsurface

14. 14
Opportunities
•Supplymineplanningwithdataforlifeofmine
•Provideassistancetominingcontractor
•Eliminateunknownsforreclamationplanning
•Identifyanynewareasforcostsavingsfromstudy
•Offerchemicalpropertiesforfutureopportunity(needsstudy)

15. 15
VariousStoragePlaces
SumTotalThisConceptto2031

16. 16
Additionaltaskscompleted
GPSminesurvey
Supplydrilloperatorswithdrilldepth
Carlsonminesoftware
Massdensitymeasurements
Qualitycontrol(QC)
Labassistance

17. 17
QUESTIONS
?