Book Chapter
Warford Ranch volcano, Arizona, field exercise
Author(s)
Ronald Greeley
;
Ronald Greeley
School of Earth and Space Exploration, Arizona State University, Box 871404, Tempe, Arizona 85287-1404, USA
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Shelby Cave
Shelby Cave
School of Earth and Space Exploration, Arizona State University, Box 871404, Tempe, Arizona 85287-1404, USA
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Published:December 01, 2011
Warford Ranch is a small “drive-in” shield volcano covering an area of ~2 by 3 km west of Phoenix, and it is accessible from Interstate Highway 8 near Gila Bend, Arizona. The basaltic shield is superposed on silicic lavas, granodiorites, and alluvial deposits and is part of the Sentinel-Arlington volcanic field. Dated at 3.19 Ma, the shield volcano is sufficiently young to preserve the original morphology, but it also shows the effects of moderate weathering, development of desert varnish, and the formation of caliche deposits. Imaged in both color near-infrared (IR) and in thermal infrared multispectral scanner (TIMS) data, these...
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GSA Special Papers
Analogs for Planetary Exploration
Author(s)
W. Brent Garry;
W. Brent Garry
Planetary Science Institute, Tucson, Arizona, USA
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Jacob E. Bleacher
Jacob E. Bleacher
NASA Goddard Space Flight Center, Planetary Geodynamics Lab, Greenbelt, Maryland, USA
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Geological Society of America

Volume
483
Copyright:
© 2011 Geological Society of America
Attribution: You must attribute the work in the manner specified by the author or licensor (but no in any way that suggests that they endorse you or your use of the work). Noncommercial - you may not use this work for commercial purpose. No Derivative works - You may not alter, transform, or build upon this work. Sharing - Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.
ISBN print:
9780813724836
Publication date:
December 01, 2011
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Index Terms/Descriptors
- Arizona
- ash flows
- basalts
- caliche
- Cenozoic
- field studies
- field trips
- igneous rocks
- morphology
- multispectral analysis
- near-infrared spectra
- Neogene
- Pliocene
- remote sensing
- rhyodacites
- road log
- rock varnish
- shield volcanoes
- spectra
- Tertiary
- thermal infrared spectra
- United States
- volcanic rocks
- volcanoes
- weathering
- Sentinel-Arlington volcanic field
- Warford Ranch
Latitude & Longitude
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