Volcanic Southern Peru Wmorche

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(Cenozoic) Volcanic History of 

Southern Peru

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Geology Southern Peru

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StratigraphyArequipa Region

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Cenozoic Arequipa

Cenozoic Formations Arequipa Region

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StratigraphyMoquegua Region

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Cenozoic Formations Moquegua Region

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Stratigraphy Puno Region

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Cenozoic Lake Titicaca

Cenozoic Formations Puno Region

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Summary I

Subduction related magmatism

• Portugueza // Palla Palla //Barroso Superior 

• Ayacucho // Julcani // Barroso Inferior 

• Alpabamba

• Caudalosa // Chuntacala // Sillapaca

• Nazca // Huaylillas // Oxaya // Upper Tacaza

• Castrovirreyna

• Sacsaquero // Huilacollo // Lower Tacaza

• Abancay

• Tantara and Sacsaquero // Ataspaca

• Toquepala Group

• Coastal Batholith

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Sebrier fig3

Sebrier and Soler 1988

Alpabamba

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Chronostratigraphic Summary

Campanian - Cenozoic

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Sebrier fig13

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Jaillard 2000 fig 20

 Age, location and intensity

of magmatic events and

their relations to Andean

tectonic events

(Jaillard 2000, after Soler 1991)

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Tosdal 84 Lavenu 89 Sempere 90 Ellison 90 Wasteneys 90 Megard 84 Sebrier 88Sebrier 

Soler 91Farrar 88

Sandeman 95

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Alpabamba

Barroso?

Capillune?

Sencca?

Barroso?

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Magmatism andMetallogenic Episodes

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CVZ Quaternary

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Magmatic Metallogenic Episodes

Clark 1990

Magmatic and metallogenic episodes of the Central Andes (Clark et al. 1990)

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55-65 Ma

55 - 65 Ma(Petersen 1999)

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45-55 Ma

45 - 55 Ma(Petersen 1999)

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35-45 Ma

35 - 45 Ma(Petersen 1999)

Sacsaquero

Tantara

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25-30 Ma

25 - 30 Ma(Petersen 1999)

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20-25 Ma

20 - 25 Ma(Petersen 1999)

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15-20 Ma

15 – 20 Ma(Petersen 1999)

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10-15 Ma

10 – 15 Ma(Petersen 1999)

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5-10 Ma

5 – 10 Ma(Petersen 1999)

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< 2 – 5 Ma(Petersen 1999)

<2 – 5 Ma

< 2 – 5 Ma(Petersen 1999)

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