Nova Terra 52

YDO ZLWK WKLV IRUPDWLRQ 7KH PDWHULDOV DW WKH WRS RI WKH 0DOFRFLQDGR )RUPDWLRQ DUH HVVHQWLDOO\ FODVWLF VXSSRUWHG PHWDFRQJORPHUDWHV ZLWK YROFDQRFODVWLF PDWUL[ )LJ H DQG I 7KH SHEEOHV FRUUHVSRQG WR UHZRUNHG LPPDWXUH PHWDVHGLPHQWV DQG DFLGLF LQWHUPHGLDWH YROFDQLF URFNV 6RPH SHEEOHV DUH VWUXFWXUHG URFNV RI YDU\LQJ VL]HV ÀRD WLQJ GLVSHUVHG LQ WKH PDWUL[ FHPHQWHG E\ S\URFODVWLF PD WHULDO 7KH DPRXQW RI UHZRUNHG PDWHULDO LQFUHDVHV WRZDUGV WKH WRS RI WKH IRUPDWLRQ 7KH URXQGLQJ RI WKHVH SHEEOHV LQGLFDWHV KLJK HQHUJ\ WUDQVSRUW LQ D SRVVLEO\ DTXHRXV PH GLXP )LJ H DQG I 7KHVH XSSHUPRVW FRQJORPHUD WHV VXJJHVW VWURQJ HURVLRQ RI DOO SUHYLRXV DUF PDWHULDOV 9.3 Sample selection and methodology 9.3.1 Sample selection )RXUWHHQ VDPSOHV IURP 0DOFRFLQDGR )RUPDWLRQ ZHUH VHOHFWHG IRU ZKROH URFN JHRFKHPLFDO DQG LVRWRSLF 6U 1G DQDO\VLV $OO RI WKHP ZHUH FROOHFWHG IURP RXWFURSV QHDU WKH PDLQ URDG FURVVLQJ WKH UHIHUHQFH VHFWLRQ RI WKLV IRUPDWLRQ )LJ D &RRUGLQDWH VDPSOHV DSSHDU LQ FOXGHG LQ 7DEOH 7ZR JURXSV KDYH EHHQ GL൵HUHQWLDWHG LQ WKLV IRUPDWLRQ 7HQ URFNV EHORQJ WR PDVVLYH PHWDDQ GHVLWHV PHWDGDFLWHV DQG PHWDULROLWHV 7KHVH OLWKRORJLHV DSSHDU LQWHUEHGGHG ZLWK PHWDEUHFFLDV WKLQ PHWDVHGLPHQ WDU\ OD\HUV ¿QH JUDLQHG PHWDYROFDQLF GHSRVLWV DQG PHWD FRQJORPHUDWHV 7KH UHPDLQLQJ IRXU VDPSOHV EHORQJ WR WKH PHWDJUDQLWLF PDVVLI LQWUXGLQJ WKH PHWDYROFDQLF VXFFHV VLRQ 6DPSOLQJ IRFXVHG RQ FROOHFWLQJ WKH PRVW UHSUHVHQ WDWLYH DQG XQDOWHUHG VDPSOHV DYRLGLQJ LQ DQ\ FDVH WKH VHFWLRQV D൵HFWHG E\ ODWH IUDFWXULQJ DQG À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¿UVW FKURPDWRJUDSKLF VHSDUDWLRQ VWHS XVLQJ 5HVLQ 'RZH[ $*Š [ WKH 6U IUHH RI 5E DQG 5(( IUDFWLRQV ZHUH H[WUDFWHG IURP WKH PDWUL[ LQ D VHFRQG VWHS 1G ZDV VHSDUDWHG IURP 6P XVLQJ DQ H[WUDF WLRQ UHVLQ /Q 5HVLQŠ 6U DQG 1G VDPSOHV ZHUH DQDO\]HG LQ DQ ,VRWRS; 3KRHQL[Š PDVV VSHFWURPHWHU 7,06 IR OORZLQJ D G\QDPLF PXOWLFROOHFWLRQ PRGHO 3RWHQWLDO Rb LQWHUIHUHQFHV ZHUH FRUUHFWHG IRU 6U Sr ratios and nor PDOL]HG WR WKH DYHUDJH 6U 6U YDOXH RI 1LHU XVHG IRU FRQYHQWLRQDO LQQHU FRUUHFWLRQV 7KH ¿QDO 6U UDWLRV ZHUH FRUUHFWHG E\ FRQVLGHULQJ WKH 6U VWDQGDUG LVRWRSH UDWLRV 1%6 6WDQGDUG 5HIHUHQFH 0DWHULDO DQDO\]HG ZLWK WKH VDPSOHV DQG SURYLGLQJ DQ DYH UDJH YDOXH RI 6U 6U “ ı IRU VWDQGDUG UHSOLFDWHV ,Q RUGHU WR FRUUHFW IRU SURFHGXUDO DQG LQVWUXPHQWDO PDVV IUDFWLRQDWLRQ WKH 1G 1G UD WLRV ZHUH QRUPDOL]HG WR WKH YDOXH RI 1G 1G 2¶1LRQV HW DO DQG FRUUHFWHG IRU SRWHQWLDO LQWHUIH UHQFHV IURP &H DQG 6P 'HYLDWLRQV IURP WKH LVRWRSLF UDWLRV RI WKH VDPSOHV ZHUH FRUUHFWHG XVLQJ WKH 1G LVRWR SLF VWDQGDUG YDOXHV -1GL 7DQDND HW DO $QDO\VLV RI UHSOLFDWHV RI WKLV VWDQGDUG WRJHWKHU ZLWK WKH VDPSOHV SURYLGHG DQ DYHUDJH YDOXH RI 1G 1G ZLWK DQ LQWHUQDO SUHFLVLRQ RI “ ı $QDO\WLFDO ELDVHV in 6U Sr and 1G 1G UDWLRV ZHUH HVWLPDWHG WR EH ORZHU WKDQ DQG UHVSHFWLYHO\ 7KH 6U DQG 1G EODQNV DUH DOZD\V XQGHU DQG QJ UHVSHFWLYHO\ 7KH UHVXOWV RI WKH 6U DQG 1G LVRWRSLF DQDO\VHV DUH VXP PDULVHG LQ 6XSSOHPHQWDU\ 7DEOH DQG SORWWHG LQ ¿JXUH 9.4 Results 3HWURJUDSKLF IHDWXUHV 7KLQ VHFWLRQV ZHUH SUHSDUHG LQ DOO WKH VDPSOHV LQ RU GHU WR H[DPLQH WKHLU SHWURJUDSKLF IHDWXUHV 8QGHU WKH PL FURVFRSH WKH SULPDU\ PLQHUDOV RI WKH YROFDQLF PDWHULDOV DSSHDU WR EH UHSODFHG E\ RWKHU ORZ WHPSHUDWXUH VHFRQGDU\ PLQHUDOV 7KH PDWUL[ RI WKH PHWDDQGHVLWHV DQG PHWDGDFL WHV LV PRVWO\ FKORULWH DQG RSDTXH PLQHUDOV DOWKRXJK WKHVH Malcocinado Formation