Fossils
Biostratigraphy
Paleoenvironment
Paleogeography
Evolution Theory
Geometry
Blanket
Shoestring
Lens
Sandstone Lens
Jurassic Morrison Formation, Dinasour National Monument
Facies
Biofacies
Lithofacies
- lagoon - quiet water, bioturbated shales
- beach - high energy, cross-bedded sandstone
Walther's Law
Facies that are adjacent laterally will be superimposed vertically
last updated 2-23-01
All original material copyright (c) 1998 by Annabelle Foos. All rights reserved.