West from Ajo Peak, hogback ridges in the foreground, light colored western hills of the Little Ajos in the middle ground, and Growler Mountains on the sky line.
Dates
Date Taken
1932
Summary
West from Ajo Peak, hogback ridges in the foreground, light colored western hills of the Little Ajos in the middle ground, and Growler Mountains on the sky line. The hogbacks are Locomotive fanglomerate capped by Ajo volcanics. The lighter hills are Chico Shunie quartz monzonite, with Cardigan gneiss on the lower right hand slopes; pediment along Chico Shunie Arroyo at extreme left middle ground. Pima County, Arizona. 1932. Plate 1-A, in U.S.Geological Survey Professional paper 209. 1946.
Summary
West from Ajo Peak, hogback ridges in the foreground, light colored western hills of the Little Ajos in the middle ground, and Growler Mountains on the sky line. The hogbacks are Locomotive fanglomerate capped by Ajo volcanics. The lighter hills are Chico Shunie quartz monzonite, with Cardigan gneiss on the lower right hand slopes; pediment along Chico Shunie Arroyo at extreme left middle ground. Pima County, Arizona. 1932. Plate 1-A, in U.S.Geological Survey Professional paper 209. 1946.
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