New geologic map of Page Springs 7.5 minute quadrangle

The Arizona Geological Survey (AZGS) is releasing a new contributed geologic map of the Page Springs quadrangle by Dr. Richard F. Holm, Associate Professor Emeritus, Northern Arizona University. The map product includes a 16-page report with rock descriptions, a correlation sheet, and 4 map plates showing the distribution of rocks, volcanic vents and specimen samples.

The Arizona Geological Survey (AZGS) is releasing a new contributed geologic map of the Page Springs quadrangle by Dr. Richard F. Holm, Associate Professor Emeritus, Northern Arizona University. The map product includes a 16-page report with rock descriptions, a correlation sheet, and 4 map plates showing the distribution of rocks, volcanic vents and specimen samples.

TUCSON - The Arizona Geological Survey (AZGS) is releasing a new contributed geologic map of the Page Springs quadrangle by Dr. Richard F. Holm, Associate Professor Emeritus, Northern Arizona University.

Page Springs is situated in the northern part of the Verde Valley.

Dr. Holm brings more than 40 years mapping experience in central and northern Arizona to the project. The western half of the quadrangle displays a cover of fluvial and lacustrine rocks of the Miocene and Pliocene Verde Formation. Miocene volcanic rocks occupy the eastern half, and Permian sedimentary rocks underlie the northeast area of the quadrangle. The geologic map includes 49 volcanic vent structures and intrusions.

The House Mountain shield volcano, the largest volcanic vent in Verde Valley, is situated on the adjacent quadrangle to the east. The most prominent volcano in Page Springs is Windmill Mountain. Most of the vents in the map area are lava cones. The map product includes a 16-page report with rock descriptions, a correlation sheet, and 4 map plates showing the distribution of rocks, volcanic vents and specimen samples. All are freely available online as high resolution PDF files: http://repository.azgs.az.gov/uri_gin/azgs/dlio/1637.

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