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Views of Payson Sheets

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Views of Payson Sheets Research Views of Payson Sheets Research Small eruption, Arenal Volcano, Costa Rica Arenal s stratigraphy: 10 major Explosive eruptions ... – PowerPoint PPT presentation

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Title: Views of Payson Sheets


1
Views of Payson Sheets Research
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Small eruption, Arenal Volcano, Costa Rica
3
Arenals stratigraphy 10 major Explosive
eruptions in 4000 years, Each with a soil
developed On top, with ecologic Recovery and
human recolonization.
4
Tronadora Vieja site. Begins c. 3000 BC.
Arenal volcano in distance.
5
Chalchuapa lake stratigraphy, 1200 BC to Ilopango
tephra c AD 400.
6
Caldera of Lake Ilopango, source Of the TBJ
tephra, c. AD 400. San Salvador in background.
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8
Ceren, El Salvador
Loma Caldera
Ilopango
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