1. Sedimentary Rock Descriptions and Distractions Description vs Interpretation Rock Descriptions Unit Descriptions Distractions Text: Manual, p. 13-16, 77-90; Compton, p. 27-31

2. Rock Descriptions rock type stratigraphic name

3. Rock Descriptions stratigraphic name rock type color

4. (Luis Garcia)

5. Rock Descriptions stratigraphic name rock type color texture

6. Rock Descriptions Texture: 1. Grain Size 256-8boulder 64-6cobblegravel 4-2pebble 2-1granule_______ 10.0very coarse sand 0.51.0coarse sand 0.252.0medium sandsand 0.1253.0fine sand 0.06254.0very fine sand_______ 0.0315.0coarse silt 0.01566.0medium siltmud 0.00787.0fine silt 0.00398.0very fine silt   clay mm Phi (  ) Wentworth Size Class

7. angular grains well rounded grains http://csmres.jmu.edu/geollab/Fichter/SedRx/ Rock Descriptions Texture: 2. Grain Shape (Roundness)

8. Rock Descriptions Texture: 3. Sorting

9. (AGI, 1999) Rock Descriptions Texture: 4. Arrangement imbrication

10. energy/environment of deposition transport history Rock Descriptions Texture Interpretations

11. Rock Descriptions stratigraphic name rock type color texture grain composition

12. Rock Descriptions stratigraphic name rock type color texture grain composition porosity cements

13. grain porosity matrix cement (M. Campbell) Rock Descriptions

14. name rock type color texture grain composition porosity cements bedding

15. Rock Descriptions Bedding: Types Castile Formation, NM (Anderson et al., 1972) 10 cm laminations

16. Rock Descriptions Bedding: Types cross-bedding

17. Rock Descriptions Bedding: Types graded bedding (AGI, 1999)

18. Rock Descriptions Bedding: Thickness

19. Rock Descriptions Bedding: Contacts

20. Rock Descriptions stratigraphic name rock type color texture grain composition porosity cements bedding sedimentary structures

21. wave ripples Rock Descriptions Sedimentary Structures

22. Rock Descriptions burrows Sedimentary Structures

23. Rock Descriptions Sedimentary Structures mudcracks (AGI, 1999)

24. Rock Descriptions stratigraphic name rock type color texture grain composition porosity cements bedding sedimentary structures bioturbation

25. Rock Descriptions Bioturbation (E. McBride)

26. Rock Descriptions stratigraphic name rock type color texture grain composition porosity cements bedding sedimentary structures bioturbation fossils

27. Trace Fossils Rock Descriptions Fossils Body Fossils

28. Cretaceous fossils in central Texas http://www.cretaceousfossils.com Rock Descriptions Fossils

29. UT AUSTIN Interpretation

30. Rock Descriptions Additional Details for Sandstones: - FMCP:QFR - Clan Name

31. Rock Descriptions Sandstone Clan Names

32. Sedimentary Rock Descriptions and Distractions Description vs Interpretation Rock Descriptions Unit Descriptions Distractions Text: Manual, p. 13-16, 77-90; Compton, p. 27-31, 366-367

33. Unit Descriptions stratigraphic name rock types brief rock descriptions - percentages - thicknesses - contacts - interbedding special features - soil and vegetation - topographic expression gradational sharp interbedding

34. Unit Descriptions bench slope cliff

35. Sedimentary Rock Descriptions and Distractions Description vs Interpretation Rock Descriptions Unit Descriptions Distractions Text: Manual, p. 13-16, 77-90; Compton, p. 27-31, 366-367

36. Distractions Vegetation

37. (Luis Garcia) Distractions Algae

38. Distractions Lichen

39. Distractions Travertine

40. (E. McBride) Distractions Weathering

41. Distractions (E. McBride) Colluvium

42. Distractions Float (E. McBride)

43. Distractions Dynamite (E. McBride)