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

Geology 103Sedimentology and Stratigraphy

Tim HornerGeology Department, CSU Sacramento

Lecture #15: Glacial systems

Reading assignments:

Boggs, 5th ed., pp. 235-243

SACRAMENTOSTATE

From Steven Dutch, University of Wisconsin Green Bay, http://www.uwgb.edu/dutchs/EarthSC202Notes/GLACIAL.HTM

Snowfall vs Melting & Evaporation (Ablation)                                                                                                                                            

From Steven Dutch, University of Wisconsin Green Bay, http://www.uwgb.edu/dutchs/202ovhds.htm

Figure 8.27 From Boggs (2006), Principles of Sedimentology and Stratigraphy

Glacial environments:

Poorly sorted:

Glacial grooves:

Glacial grooves- Kelly's island, Ohio:

Glacial grooves- Kelly's island, Ohio:

Figure 8.29 From Boggs, Principles of Sedimentology and Stratigraphy

Glacial moraine:

Figure 8.30 From Boggs, Principles of Sedimentology and Stratigraphy

Glaciomarine sedimentation:

Figure 11.32 From Boggs, Principles of Sedimentology and Stratigraphy, 2nd ed., p. 391

Glaciomarine deposits:

Figure 11.31 From Boggs, Principles of Sedimentology and Stratigraphy, 2nd ed., p. 390

Terrestrial glacial deposits: