Transcript Geology 103 Sedimentology and Stratigraphy SACRAMENTO STATE Tim Horner Geology Department, CSU Sacramento Lecture #9: Turbidity flows, deep sea fan deposits Reading assignment: Boggs, 5th ed., pp.

Geology 103
Sedimentology and Stratigraphy
SACRAMENTO
STATE
Tim Horner
Geology Department, CSU Sacramento
Lecture #9:
Turbidity flows, deep sea fan deposits
Reading assignment:
Boggs, 5th ed., pp. 33-38, 292-305
Types of mass-movements
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Table 2.1, p. 32
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Fig. 10.12, p. 293
Parts of a
turbidity
current:
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 2.4.1, p. 34
Turbulence supports grains in a turbidity
flow:
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 2.6, p. 33
Features of a
turbidity flow
deposit:
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 2.7, p. 37
Bouma
sequence
Complete
Partial
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 2.8, p. 47
Bouma
sequence
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 10.17, p. 300
Normark/
Walker fan
model
From Boggs, Principles of Sedimentology and Stratigraphy, 2nd edition fig. 13.39
Gravel-rich
deep sea fan
Sand-rich deep
sea fan
From Boggs, Principles of
Sedimentology and Stratigraphy, 5th
edition, Figures 10.18, 10.19, p. 301
Idealized
progradational
fan
From Reineck and Singh, 1986
Sediment input to the deep ocean
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 10.15 p. 296
Sediment types on the deep ocean floor
From Boggs, Principles of Sedimentology and Stratigraphy, 5th ed., Figure 10.21 p. 303