Nova Terra 52

WR EH UHSUHVHQWHG ZLWKLQ WKH 0pULGD 0DVVLI PHWDJUDQL WLF FRPSOH[HV UDQJH )LJ D DQG E VXJJHVWLQJ HTXLYDOHQW VRXUFHV 0DWXUH VWDJHV RI PDJPDWLVP LQ WKLV SHUL *RQGZDQDQ PDUJLQV VHFWLRQ ZRXOG WUDQVLW WR WHUPV ZLWK D KLJKHU PDQWOH LQSXW )LJXUH :KROH URFN JHRFKHPLVWU\ RI WKH PHWDJUDQLWLF HQ VHPEOHV LQFOXGHG LQ 5RMR 3pUH] HW DO DQG &KDSWHU RI WKLV YROXPH D *UDQLWH WHFWRQLF VHWWLQJ GLVFULPLQDWLRQ GLD JUDP 3HDUFH HW DO GRWHG UHJLRQV UHSUHVHQW $QGHDQ DQG $ODVNDQ DUF EDWKROLWKV 3HDUFH HW DO )LHOGV 25* 2FHDQ ULGJH JUDQLWRLGV V\Q &2/* 6\QFROOLVLRQDO JUDQLWRLGV SRVW &2/* 3RVWFROOLVLRQDO JUDQLWRLGV 9$* 9ROFDQLF DUF JUDQLWRLGV :3* :LWKLQ SODWH JUDQLWRLGV E /D <E 1 <E1 GLVFULPLQDWLRQ GLDJUDP IRU DGDNLWH OLNH URFNV DQG FRPPRQ YRO FDQLF DUF PDJPDV 'HIDQW \ 'UXPPRQG /HJHQG DV LQ ¿JXUH 10.4. Peri-Gondwanan arc section dynamics during Ediacaran-Lower Cambrian times: sedimentary se- quences and associated magmatism 7KLFN SLOHV RI PHWDVHGLPHQWV ZHUH GHSRVLWHG LQ ZLGH EDVLQV DW WKH SHULSKHU\ RI WKH :HVW $IULFDQ &UDWRQ GXULQJ WKH (GLDFDUDQ DQG /RZHU &DPEULDQ WLPHV 'HHS SDUWV RI WKHVH FXUUHQWO\ PLVVLQJ PD\ KDYH FRQWULEXWHG WKURX JK VXEGXFWLRQ HURVLRQ WR WKH DUF PDJPDWLVP H J *y PH] 7XHQD HW DO 6WHUQ 3DURODUL HW DO ,Q WKLV VHQVH WKH JHRFKHPLFDO DQG LVRWRSLF IHDWXUHV RI WKH 0RQWHPROtQ PHWDEDVLWHV VXJJHVW WKDW WKH ¿UVW PDJ PDWLF HSLVRGH LQ WKLV VHFWLRQ FRXOG OHDG WR WKH RSHQLQJ RI D IRUH DUF EDVLQ DW F 0D )LJ D ZKHUH WKH UHVXOWLQJ PDWHULDO GHULYHG IURP PHOWV RI D PDQWOH VRXUFH PRGL¿HG E\ FUXVWDO PDWHULDO 7KLV VHWWLQJ FRLQFLGHV ZLWK WKH DSSUR[LPDWHO\ V\QFKURQRXV EHJLQLQJ RI 0RQWHPROLQ )RUPDWLRQ VHGLPHQWDWLRQ LQ WKLV PDUJLQ VHFWLRQ 'XULQJ WKH HYROXWLRQ RI WKH *RQGZDQD SDODHR PDU JLQ KLJKHU UDWHV RI PDWHULDO UHF\FOHG E\ WHFWRQLF HURVLRQ PD\ KDYH IDYRUHG WKH LQFRUSRUDWLRQ RI FRUWLFDO PDWHULDO DW JUHDW GHSWKV 7KLV PHFKDQLVP ZRXOG IDFLOLWDWH SDUWLDO PHOWLQJ FRXSOHG ZLWK PD¿F PDWHULDO GHULYHG IURP WKH VODE H J *yPH] 7XHQD HW DO 6WHUQ JHQHUDWLQJ PHOWV ZLWK DGDNLWLF VLJQDWXUH DW F 0D 6DQ $QGUHV 0HWDLJQHRXV &RPSOH[ )LJ E 6XEVHTXHQW O\ E\ F 0D WKH VR FDOOHG &DGRPLDQ 2URJHQ\ UHFRUGV D PDMRU FRPSUHVVLRQDO HSLVRGH SUHVHUYHG DFURVV WKH HQWLUH 9DULVFDQ %HOW H J (JXLOX] HW DO /LQQH PDQQ HW DO $UHQDV HW DO 7KLV DJH DOVR FRLQ FLGHV ZLWK WKH DJH SURSRVHG IRU WKH 7HQWXGt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ÈOYDUR PHWDLJQHRXV FRPSOH[HV )LJ F VXJJHVWV DOPRVW H[FOXVLYH SDU WLFLSDWLRQ RI D PHWDVRPDWL]HG PRGL¿HG PDQWOH ZHGJH 7KLV VFHQDULR LV FRQVLVWHQW ZLWK WKH F\FOLFLW\ GHVFULEHG E\ H[WHQVLRQ FRQWUDFWLRQ HYHQWV RI WKH SHUL *RQGZDQDQ PDUJLQ ZKLFK KDYH EHHQ LQ UHFHQW PRGHOV OLQNHG ZLWK DOWHUQDWLQJ IHOVLF DQG LQWHUPHGLDWH EDVLF PDJPDWLF HSLVR GHV H J &ROOLQV HW DO &KDSWHU