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CONTACT INFORMATION Mining Records Curator Arizona Geological Survey 1520 West Adams St. Phoenix, AZ 85007 602-771-1601 http://www.azgs.az.gov [email protected] The following file is part of the Arizona Department of Mines and Mineral Resources Mining Collection ACCESS STATEMENT These digitized collections are accessible for purposes of education and research. We have indicated what we know about copyright and rights of privacy, publicity, or trademark. Due to the nature of archival collections, we are not always able to identify this information. We are eager to hear from any rights owners, so that we may obtain accurate information. Upon request, we will remove material from public view while we address a rights issue. CONSTRAINTS STATEMENT The Arizona Geological Survey does not claim to control all rights for all materials in its collection. These rights include, but are not limited to: copyright, privacy rights, and cultural protection rights. The User hereby assumes all responsibility for obtaining any rights to use the material in excess of “fair use.” The Survey makes no intellectual property claims to the products created by individual authors in the manuscript collections, except when the author deeded those rights to the Survey or when those authors were employed by the State of Arizona and created intellectual products as a function of their official duties. The Survey does maintain property rights to the physical and digital representations of the works. QUALITY STATEMENT The Arizona Geological Survey is not responsible for the accuracy of the records, information, or opinions that may be contained in the files. The Survey collects, catalogs, and archives data on mineral properties regardless of its views of the veracity or accuracy of those data. • I • :1 l t t ' : "J~ .'.'1 (1 'lrl'f l~f ',t ,,' 4 , '. ". f' ('It'l 'f1 I .. _ ,A •• I , . I. I , .. '. ' '" ) ' . '" t ' -. .-,. w z "«:I: u X w z0 :s u " z -;; w .~- ~ (; ~ ~• ~ '"0 c ~ " ::2: J "5c .9 I 0 ~ '"" \ ii "~ z ~ '"' .J ~ • ~ .; 0 '"'"0 I z ~ ~ ; . - ! . i! i I ~ ~ I "' .. -- [2]DD • ~ YM 1< ' . '1(1 " e 1'1 C ; / / /, /1 e ( R If') 0v~ ~"I.... ~ Phelps Dodge Morenci Inc. Technical Overview "- I 'I 'I (., ~:::~---- ~:>~ MineCu Assay (Pitl O.4~ -, Concentrator Leaching. SX-EW [b ISZl ~ (Concontrct~ ) U (Pure Copp~r) Cu Assey 307. Smelter • ~ (P:'~ -C~;p~;) -- ~ ------------j • Factory Copper Productions Wire. Coin. etc. (Geology) (1) Precambrian (2) Paleozoic Seas 3,500,000,000-600,000,000 570.000.000 ...... 2.70.000.000 yars ago about 1.4 billion yeors ago oter Granodiorite Granodiorite limestone k, .... ... .. 1\ ~%\\\\\\;; Sholes Sandstone Granite (3) Laramide Mountain Building (4) Tertlaly Nu tlltl1 Cu!>!>er i'"O.oqO.000 ...... 60.pOO.OOO yeers ago 60.000.000 ..... Cuprite Acid RoiM , , Turquoise I I I I Leached Copper Hematite 1.2 miles Covelllte Goethite Ero ded Bcnket aI..........lil'!II I!!1..1 Pyrite( 3-77.) O:dd~ Oxide Cu "chelcopyrit! Bornite \-. -.. Monzonite Porphyry (Mogmo) Present Metcalf Minerai Diabase sill Hematite Leached Cu Goethite Oxide " Leech" Cu 0.057- Jarosite Chrysocollo Cuprlte Malachite Na tive Cu- Azurite Oxide Cu Brochanlte Chelcoclte- Olebe:" dike Turquoise Covelllte (Block Rock) Cuprite Cley MInerals (Gray. Rock) Chalcocite Enrichment Cal cite Biotite CoveHlfe 250m 0.77. Chalcopyrite Gypsum Ctlolcocite-Ctlolcopyrlte Chelcopyrlte 0.12-0.570 Bornite Morenci Leach Test (MLT) : 15g/ 1 H2S04 - 5 min - Assay analysis Oxide Cu Recovery 70-1007- Ho tlve Cu. Cuprite 5 - 2070 Chalcocite 50 " Covel lite 10 - 207- Chelcopyrlte. Bornite 5 - 107. (Pit Design) "45 degrees .,r··············· 50 feet \ -' " I~ dri llin; 51 deg rees ~ --'-'-- ~ ," (" (Pit Locctlons) ~ blasting Coronado North West Extension "western Copper South Side Pit ~ Pit Shovelling Morenci Concentrator 0 sx -tw PI an+ Metcolf Concentrator 0 sx. u 91 MORENCI PIT . METCALf PIT ~.....-. NW-Ext Pit South Side G~ (>0.45 ~ Sulfide are) I (Oxide Or e. <0.45?; Sulfide Ore) ORE Lean Ore D.D IN PIT CRUSHER VVI ~TN G ~- () I. MOR EN CI METCA LF CONC ENTRATOR CONCENTRATO R [1: sx f--l [p [p u IS?I IS2J I I ~EJ~ CCCCY'O I I fiLTER MORENCI MINE OPERATION , . Leaching, ,.-;--- Water H+ Cu++ Waler E'IN Cu Poor Cu Rich ~ .,.. ::::...... .•. •.••.. .................o"' t ::::::::7 '::::::::: ........... Leeching ~~::::::' ':::::::: .. 30 feet t Solvent ExtractIon Stripping 1 ;ill .,.. .,.. ..;:. .,.. , .,.. , - --- - --- - - - ------ ---- - - - Txample:UX-63 _ Lamesa" Coli OH NOH ~ Filters Rl_! _ .,.. .-,-.-.- , ..e-- L...Jl3 Ele cfro Winning R2 SX-EW F'LOWSHEET Return to Mine PLS I I . I f .......... , ,~'"< ' "'"" ; '~ I lt §: .~\~.' .~ .~ .. ill?"\"!;:;q .. _u. ~ . ~ ..... +- ..... ~ "~~ I I ~~'~O "" I I _ plls"f"'que., ... ->- ~- ~ .. .! "'"', e-:··················,··········jv. .' ~l'. ,.,;;;;:.;!ss\\~ ..... ldI~ ' Fil ter »::::::::;::: 'm [ .== mIEilll mm: I Parallel Flawsheet for SX Plant leeching & SX (Totcl Acid Consumption O.771b/lb cathode Cu) Metcalf Centrol Modoc: Southwest PLS Cu g/l 2.5-3.5 2.0-2.5 2.0 - J.0 1.2- 1.5 Fe g/I '.0 8.5 '.2 2.0 Raffinote Cu g/I 0.2 -0.5 0.2-0.35 0.15-0.35 0.15-0.25 Cycle doys Sulfide 60-70 90 70 60 Oxide 70 leoc:h:rest 1 : 1 1 : 1 1: 1 t: 1 Qrg:Aque 1 : 1 1:2 1.07:1 1: 1.2 Solvent UX-84,8S0 MOC-45 MOC-4.5,55 MOC......s.5,55 Kernsene :::: 90-<12 89 90-93 94-95 Electrolyte 45 g/I Cu, 170 g/1 acid, 2.0 g/I ra, 200 ppm Co, .o&5ppm CI. 170 ppm t.4n Remove Orga ni c Jameson Call. seVe" duel media filter EW Number of cell 5 548 Cell Dimensions 3'10" W X 4.'5" 0 X 22'10" L Cell Type Porc line Concrete 376 Polymer Concrete 172 A.node spacing ~' CUlTl!nt density '0 _/«2 Anode 98.7. Pb. 1.57. Sn. O.S 7. Co Cathode 3 ppm Pb, 9 ppm S, Ore (>=0.4S%Cu) Inpit drusher 1 Intermedlote Ore Stockpile I I Morenci Concentro tor Metcorf Concentrator 1 1 Cru$her Crusher Bal} Mill Bolli Mill I n n t~ tln n flotltlcn Cu conCjntrote TOiiil'l9 Cu ccnientrote TOil1in g ThlClne, Thl'ikene, ThlCjne, Thlckene' I ---------- Mo flotation T 'II 0 01 ng om MO Concentrate Cu Concentrate 1 1-----' Filteri ng FIltering (Ceramic Filter) ORE FLOW O,e ~ChalcocJte (Cu2S) Cu Assay (0.6 .... 0.8%) ~Pyrite (FeS2) Chalcopyrite (CuFeS2) Size Redu ctions ... ~ t> Crusher l~ -7 t:> ~ <) D ""l Boll Mill (]"'""" V Flota tion G2. '0000000 000000 -H Choln 0 .. 0 0 0 0 0 0 Bubble 0 00 Easy Attached to Ai r 0 0 Collector 0 0 0 0 : ::.:.::::: .. :-:-.:-:-:-:- Attached to copper r: MINERAL PROCESSING CONCEPTS (Collector) Xanthate R _ ° _C _ S- ............. Na+ 5 Thlophospote R _ 0 , /S- P No ... R _ 0 / '\. 5 Thlocorbomote R ~ _ C _ s- No ... R / 5 Merc::lpton R _ S- No ... R thiourea .... ....... N _ C 5- ... Na+ R / NH MercapfobenzofhloczoI e N •, ~ \ No ... 5/ '\ 5-, (rroth.r) Alcohol Glycol Terpineol Cresyllc Acid Ex. MIBC glycol Pine 011 cresol Metyle 1$0- ether butyle CH3 Corblnol ¢ CH3 OH HO-C-CH3 OH I \ \ H3C- CH- CH2.- CH- CH3 CH3 ¢ 00- CH- CH2- 0 - {CHl- CH- O)nH I \ CH3 CH3 CH3 Law Vi scosity ______ ___ __ __ _ High High ___________ _____ . Dispersion ______ __ _ ____ low Strong ____ __ __ _ _ ___ _ . frothing. _____________ _ Week Soft , LIght, un$table . __ ___ _ Froth Condition . _________ _ Sticky le$s . _______________ . Persistency . _ ___ _ _______ .More More ___ ___ ________ _ _ Selectivity _ _____ _____ __ less are from tilne I Grlzzlles(4) 6'4" X , 1', 30 Degrees 2.00" opening <70\1 Stondord Crusher(4) VC:3~ 7' Heovy Duty Cones 1.75" Closed Side Setting (2)300HP (2)365HP Vibrating Screen(16) 5'X10' 10HP O.SO"Openlng Short Head Crusher(8) VCS'4<7""" 7' Heavy Duty Cones 3QOHP 0.25" - 0.375" Closed Side SeHing Fine Ore Bin MORENCI CONCENTRATOR CRUSHER Ore from Mine Double Deck Scalping Screen(2} 6'X14' [-900 2SHP Opening Top: 1.5" Bot: 0.75" Standard Crusher(2) 7' Cone 350HP 1.7S"Set Secondary Double Deck Screen(2) 6'X14' f-900 2SHP Opening Top: 1.5" Bot: 0.75" Short Head Cru~her(4) 7' Cones 350 HP O.2S"Set Tertlory Screen(8) S'X,4' f-600 10HP Opening 0.63" or 0.50" rlne Ore 81n METCAlf CONCENTRATOR CRUSHER fine Ore Bin 8011 Mill (3Z) , O'Xl 0' Grote Discharge 800HP Rougher Cell(109) Wemeo 1000 75 HP Spl r Closslfler(63) .". ,' .. 5 '''Spiral 10HP. R. jrindlng MIII(6) 5)8.5' X 12' Overflow Cleaner & , )S'X 12' Overflow orlex3" Scavenger( 48) 3- 30 IHP 2-350HP 1-4QOHP Wemco300 30HP 1'f .., :< :- .. ' :.>;. ... -: Column Cell(4) (Z)S' X 40' .'.'.' (Z)S' X 4S' Copper Concentrate Toi ing MORENCI flOTATION FlOWSHEET Orlglnol Extension Section 1 ' Section 2. Section .3 Section 4 :; :::;:;:: p ~."" -Do-'. -Do- ~ 8011 MIII (S) Boll MiIl(S) 8011 MIII(S) 8011 MIII(S) ,"... .:.:...." lSiZl." ..·:·:··". ·· ~1¥L lS7llSpl 1¥L 1¥L 1¥L Rougher Rougher Rougher Rougher Rougher Rougher Rougher Rougher A,C 8, 0 A,C 8,0 A,C 8,0 A,C B,D (14) (14) (14) (13) (14 ) (14 ) (1 Z) (14) -{Pr- -tJ:o- Regrlnd(3) Regrlnd(3) C1 &. (~c;) 1¥1- lSjZL(~ '2f Sov CI &. (~~v) ¥ ~(~ 12~ 5cv .c?..d?-U -l1 11-tr Co lumn(Z) Column(2) MORENCI EOUIPMENT LOCATIONS Cyclone(16) 33" 26" nne Ore Bin Vortex 14" 12" Apex a" a.s" 5" Rougher Cell( 44) (32)OK38 (1350 cu.n.) 100HP (12)Wemcol000 75HP >K ·.·.