About: Peach Spring Tuff

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The Peach Spring Tuff is a pyroclastic flow sheet deposit spanning 32,000 km2 in California, Arizona, and Nevada. The source of the Peach Spring Tuff is the Silver Creek Caldera located outside of Oatman, AZ. The Silver Creek Caldera was found to be a match to the Peach Spring Tuff after an ignimbrite sample from within the caldera matched the phenocryst makeup and age of the Peach Spring Tuff. The caldera eruption is dated to the early Miocene, radiometrically dated to 18.78 +/- 0.02 Ma using argon-argon dating methods on sanidine crystals. The Peach Spring Tuff has a rhyolitic composition with thickness ranging from 10-140 m depending on location. The Peach Spring Tuff is the only geologic evidence of a super-eruption in this region.

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  • The Peach Spring Tuff is a pyroclastic flow sheet deposit spanning 32,000 km2 in California, Arizona, and Nevada. The source of the Peach Spring Tuff is the Silver Creek Caldera located outside of Oatman, AZ. The Silver Creek Caldera was found to be a match to the Peach Spring Tuff after an ignimbrite sample from within the caldera matched the phenocryst makeup and age of the Peach Spring Tuff. The caldera eruption is dated to the early Miocene, radiometrically dated to 18.78 +/- 0.02 Ma using argon-argon dating methods on sanidine crystals. The Peach Spring Tuff has a rhyolitic composition with thickness ranging from 10-140 m depending on location. The Peach Spring Tuff is the only geologic evidence of a super-eruption in this region. (en)
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  • 66858424 (xsd:integer)
dbo:wikiPageLength
  • 6540 (xsd:nonNegativeInteger)
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  • 1088139495 (xsd:integer)
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dbp:age
  • Miocene, 18.78 Ma (en)
dbp:area
  • 32000 (xsd:integer)
dbp:country
  • United States (en)
dbp:extent
  • Arizona, California, Nevada (en)
dbp:imagesize
  • 300 (xsd:integer)
dbp:mapCaption
  • Geologic Map and Cross Section of the Silver Creek Caldera in Oatman, Arizona. (en)
dbp:name
  • Peach Spring Tuff (en)
dbp:namedfor
  • Peach Spring, Arizona (en)
dbp:period
  • Miocene (en)
dbp:type
  • Ignimbrite (en)
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  • The Peach Spring Tuff is a pyroclastic flow sheet deposit spanning 32,000 km2 in California, Arizona, and Nevada. The source of the Peach Spring Tuff is the Silver Creek Caldera located outside of Oatman, AZ. The Silver Creek Caldera was found to be a match to the Peach Spring Tuff after an ignimbrite sample from within the caldera matched the phenocryst makeup and age of the Peach Spring Tuff. The caldera eruption is dated to the early Miocene, radiometrically dated to 18.78 +/- 0.02 Ma using argon-argon dating methods on sanidine crystals. The Peach Spring Tuff has a rhyolitic composition with thickness ranging from 10-140 m depending on location. The Peach Spring Tuff is the only geologic evidence of a super-eruption in this region. (en)
rdfs:label
  • Peach Spring Tuff (en)
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