Geologie study off gravels of the Agua Fria River, Phoenix, AZ
Mining Engineering
By: W. H. Langer, E. Dewitt, D.T. Adams, and T. O’Briens
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Abstract
The annual consumption of sand and gravel aggregate in 2006 in the Phoenix, AZ metropolitan area was about 76 Mt (84 million st) (USGS, 2009), or about 18 t (20 st) per capita. Quaternary alluvial deposits in the modern stream channel of the Agua Fria River west of Phoenix are mined and processed to provide some of this aggregate to the greater Phoenix area. The Agua Fria drainage basin (Fig. 1) is characterized by rugged mountains with high elevations and steep stream gradients in the north, and by broad alluvial filled basins separated by elongated faultblock mountain ranges in the south. The Agua Fria River, the basin’s main drainage, flows south from Prescott, AZ and west of Phoenix to the Gila River. The Waddel Dam impounds Lake Pleasant and greatly limits the flow of the Agua Fria River south of the lake. The southern portion of the watershed, south of Lake Pleasant, opens out into a broad valley where the river flows through urban and agricultural lands to its confluence with the Gila River, a tributary of the Colorado River.
Suggested Citation
Langer, W.H., Dewitt, E., Adams, D., O’Briens, T., 2010, Geologie study off gravels of the Agua Fria River, Phoenix, AZ: Mining Engineering, v. 62, no. 2, p. 27-31.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Geologie study off gravels of the Agua Fria River, Phoenix, AZ |
| Series title | Mining Engineering |
| Volume | 62 |
| Issue | 2 |
| Year Published | 2010 |
| Language | English |
| Publisher | Society for Mining, Metallurgy and Exploration |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Mining Engineering |
| First page | 27 |
| Last page | 31 |