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SACRAMENTO. STATE. Geology 103A Sedimentology and Stratigraphy Tim Horner Geology Department, CSU Sacramento. Lecture #12: Meandering and anastomosing streams Reading assignments: 1) Boggs, 5 th ed., pp. 215-220

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geology 103a sedimentology and stratigraphy tim horner geology department csu sacramento

SACRAMENTO

STATE

Geology 103ASedimentology and StratigraphyTim HornerGeology Department, CSU Sacramento

Lecture #12:

Meandering and anastomosing streams

Reading assignments:

1) Boggs, 5th ed., pp. 215-220

2) GSA Today article: Katrina crevasse splay deposits: v16, no. 9 pp. 4-10 and on web site

slide2

Helical flow in a meandering stream channel:

From Davis (1992) Depositional systems, Figure 7-18

slide3

Meandering stream thalweg:

From Boggs, Principles of Sedimentology and Stratigraphy, 5th edition, p. 218

slide4

Common bar forms and deposits in a meandering stream:

From Reineck and Singh (1980) Depositional sedimentary environments

slide5

Fining upward in a meandering stream deposit:

From Boggs, Principles of Sedimentology and Stratigraphy, 2nd edition

slide6

Channel classification:

From Reineck and Singh, Depositional sedimentary environments (1980) p. 259

slide7

Comparison of braided and meandering streams:

From Davis (1992) Depositional systems, Figure 7-37

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