Big Sur (.pdf file) - Cal Poly Pomona
Big Sur (.pdf file) - Cal Poly Pomona
Big Sur (.pdf file) - Cal Poly Pomona
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0122 00'0122 45'0121 30Peninsula Geological SocietyField Trip to Salina/Nacimento<strong>Big</strong> <strong>Sur</strong> Coast, Central <strong>Cal</strong>ifornia1QalSALINAS RIVERQtSalinasQalQtGabilan Rangeqd036 30'EXPLANATIONUNCONSOLIDATEDSEDIMENTSQalQsQtQcQpAlluviumDune SandQmQuaternary non-marineterrace depositsPleistocene non-marineQsCarmelQsPointLobosPlio-Pleistocene non-marineQtpgm1MontereyQtTmCARMEL RIVERTmpgmqdQalSeasideTmQsQppgmQcQppgmQpCARMELVALLEYTmQalTmpgmQtpgmqdsurTmTularcitos FaultQalqdSalinas Valley101ChualarsurSierra de SalinasQalQt036 30'QmCOVER ROCKSPleistocene marine TerracedepositsqdpgmsurTmsur036 15'036 00'TmFRANCISCAN SUBDUCTIONCOMPLEX J-Kfs Graywacke, deep-sea trenchdepositsfcspFOREARC SEDIMENTS J-KK Great Valley forearc turbiditesedimentsNEVADAN ISLAND ARCINTRUSIVE ARC ROCK(78 -150 Ma age of arc)qmpgmpgqdqdpMonterey Formation, mostlymarine biogenic andclastic sediments middle tolate Miocene in age.Porphyritic grandiorite of MontereyQuartz monzonitePorphyritic grandioriteQuartz dioriteQsPoint <strong>Sur</strong>Deep-ocean bedded radiolarian chertsSheared serpentine derived fromoceanic depleted harzburgite.Quartz -poor quartz diorite(some are recrystallized tonalitescontaining granulite faciesgarnet + opx , Compton's charnockite)0122 00'TmfsspTmspqdpQmspfcPacific Ocean00fsKKspfcqmqmqmISLAND ARC BASEMENTsursurKKsur28sursurpgmqdqdqdpqmqmqm<strong>Sur</strong> Thrustpgmqm<strong>Sur</strong> Series or <strong>Sur</strong> Complexquartzofeldspathic schist, marblegranofels, and gneiss. Protolithage is Precambrian 1.7 Ga and themetamorphic age is 78 to 100 Ma.0122 45'sursursursur10 20 km5 10 milesSCALEKqmqmqdpqdqmKsursurqdpfsLuciasurqmqmfsKTmpgmqmqdpsursurqdp1036 15'036 00'
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