SACRAMENTO STATE Geology 103 Sedimentology and Stratigraphy Tim Horner Geology Department, CSU Sacramento Lecture #6: Irregular stratification, secondary.

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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. 75-98

Convolute lamination

Flame structures

Ball and pillow structure

Dish and Pillar structures Fluid escape pipes

Parting lineation

Load casts Bottom of bedding plane side view

Load casts

Tracks, trails and burrows

Mudcracks Raindrop imprints- ??

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