1. Chemical & Organic Sedimentary Rocks (Names based primarily on composition) Basic Rock Name Limestone Dolostone Chert Rock Salt Rock Gypsum Peat or Coal Composition Calcite Dolomite Quartz (silica) Halite Gypsum “Carbon” / Plant Remains

2. Limestone Crystalline Limestone Chalk Fossiliferous Limestone

3. Formation of Limestone Calcite Precipitates in Warm Water Water Under Low Pressure (Shallow) Or It is secreted by biological organisms Clams, Mussels, Scallops, etc. Corals Foraminifera

4. Limestone Represents: Shallow Tropical Ocean

5. Chalk (Coccolithophores)

6. Black Sea

7. Oolitic Limestone

8. Travertine (Limestone)

9. Dolostone

10. Chert (Flint, Jasper, Agate…)

11. Diatom Skeletons

12. Chert Represents Deep Ocean

13. Evaporites: Bonneville Salt Flats, Utah Rock Gypsum Rock Salt

14. Mediterranean Geology Isolated, Arid, Salty Sea/Lake

15. Peat and Coal Swamp, Bog