Geologic map of the central part of the San Francisco Volcanic Field, north-central Arizona

Miscellaneous Field Studies Map 1959
By: , and 

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Abstract

The geologic map of the central part of the San Francisco volcanic field (called the Central map area) is one of five adjoining geologic maps (fig. 1) prepared under the Geothermal Research Program of the U.S. Geological Sruvey as a basis for interpreting the history of magmatic activity in the volcanic field. The San Francisco field, which is largely Pliocene and Pleistocene in age, is in northern Arizona, just north of the broad transition zone between the Colorado Plateau. The Central map area encompasses approximately 1,600 km2. It spans the middle part of the San Francisco volcanic field and includes some of the oldest and youngest volcanic units in the volcanic field.

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Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Geologic map of the central part of the San Francisco Volcanic Field, north-central Arizona
Series title Miscellaneous Field Studies Map
Series number 1959
DOI 10.3133/mf1959
Year Published 1987
Language English
Publisher U.S. Geological Survey
Description Report: 86 p.; 2 Plates: 41.06 x 58.34 inches and 35.06 x 49.21 inches
Country United States
State Arizona
Datum National Geodetic Vertical Datum of 1929
Scale 50000