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Database for the geologic map of the Paeroa Fault block and surrounding area, Taupo Volcanic Zone, New Zealand


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Downs, D.T., 2020, Database for the geologic map of the Paeroa Fault block and surrounding area, Taupo Volcanic Zone, New Zealand: U.S. Geological Survey data release,


The Taupo Volcanic Zone (TVZ), New Zealand, is the most productive area of explosive silicic volcanism in the world. Faulted early and middle Pleistocene volcanic products are generally concealed beneath voluminous, generally unfaulted, younger volcanic products. An exception is the southeast margin of the TVZ where the two parallel, northeast-trending Paeroa and Te Weta Fault blocks expose Quaternary volcanic products consisting predominantly of caldera-related, rhyolitic ignimbrites and lacustrine sediments. The Taupo-Reporoa Basin is situated along the eastern part of the map area, and its northernmost part underwent collapse to form Reporoa Caldera. The Paeroa Fault block is the largest exposed fault block within the TVZ, and it [...]


Point of Contact :
Drew T Downs
Originator :
Drew T Downs
Metadata Contact :
Drew T Downs
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Volcano Science Center
USGS Mission Area :
Natural Hazards

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Mapping was undertaken of the Paeroa Fault block and surrounding area to gain knowledge of the Quaternary eruptive history of this central portion of the Taupo Volcanic Zone, New Zealand. The features of primary interest within the map area are caldera-related, rhyolitic ignimbrites of middle Pleisotcene age, as well as rhyolitic lava domes, minor dacite, andesite, and basalt eruptives, and alluvium and lacustrine sediments.

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DOI doi:10.5066/P9DYBBGX

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