1. SACRAMENTO
STATE
Geology 103 Sedimentology and Stratigraphy Tim Horner Geology Department, CSU Sacramento
Lecture #6:
Irregular stratification, secondary sedimentary structures
Reading assignment:
Boggs, 5th ed., pp

2. Convolute lamination

3. Flame structures

4. Ball and pillow structure

5. Dish and Pillar structures
Fluid escape pipes

6. Parting lineation

7. Load casts
Bottom of bedding plane
side view

8. Load casts

9. Tracks, trails and burrows

10. Mudcracks
Raindrop imprints- ??

11. Secondary sedimentary structures:
Concretions
Sand crystals
Cone-in-cone
Stylolites