Quartz monzonite and porphyritic quartz latite. General description. ____________________ Petrography ___________________________ Porphyritic quartz monzonite ________________ General description _____________________ Petrography-_-_-___-___-__________ Dikes associated with the monzonitic rocks_ __ Petrology of the monzonitic rocks.____________ Age of the monzonitic rocks__________________ Tertiary volcanic and sedimentary rocks.__-_____-Older volclanics-____________________________ Extrusive and sedimentary rocks..________ General description.________________ Lava flows_________________________ Petrology._____________________ Pyroclastic rocks _______________ Epiclastic rocks_______________ Origin and environment___-______._-Intrusive rocks _________________________ General description _________________

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