1. SACRAMENTO
STATE
Geology 103 Sedimentology and Stratigraphy Tim Horner Geology Department, CSU Sacramento
Lecture #13:
Alluvial fans
Reading assignment:
Boggs, 5th ed., pp ,

2. Spectrum of alluvial depositional environments
From Reineck and Singh, 1980, Fig. 436

3. Arid alluvial fan- Death Valley, CA.

4. Humid alluvial fan- Nepal
From Reading, 1986, Fig. 3.15

5. Fan shape:
Figure 11.1 from Boggs, 2nd edition

6. Intersection point:
Figure 3.14 from Reading, 1986

7. Humid alluvial fan- Nepal
From Reading, 1986, Fig. 3.15

8. Debris flow vs. stream-dominated fans
Figure 8.2 from Boggs, Principles of Sedimentology and Stratigraphy, 5th edition, p. 213

9. Longitudinal change in grain size:
Figure 9.6 from Boggs, Principles of Sedimentology and Stratigraphy, 3rd ed., p. 274

10. Fan parts:
Figure 3.16 from Reading, 1986, p. 31

11. Upper/mid fan deposits:

12. Longitudinal change in grain size:
Figure 9.6 from Boggs, Principles of Sedimentology and Stratigraphy, 3rd ed., p. 274

13. Fan parts:
Figure 3.16 from Reading, 1986, p. 31