1. size & shape interaction
2. shape studies
3. quartz sand size & roundness
4. quartz SEM studies
5. unstrained quartz
6. shape sorting
7. faceted pebbles, dreikanter/ventifacts
8. wind blown sands
best sorting 0.1-0.3 mm
9. flat iron shape & striated surface
10. river & beach pebbles
11. grain 1-10 mm movement
12. pebble roundness & paleocurrents
13. stream pebble orientation
13a. beach pebbles 13b. imbrication & location
14. imbrication genesis
15. pebble orientation in conglomerates & turbidite sequences;
16. glacial till clasts
17. silt & clay in sands
18. streamline shape
19. size analysis
20. sediment transport rate
21. fluvial facies
22. grain orientation
23. massive sands
24. rolling clasts
25. small clasts & fissility
26. grain orientation in ripples
27. cross beds
28. 3 facies interpretation from grain orientation
28a. river channel sands 28b. beach sands 28c. barrier island sands variable
3 barrier island facies: offshore, beach, aeolian
29. black materials
30. kaolinite rind on feldspars - pseudomorphs
31. feldspar alteration
32. heavy minerals
33. quartz & carbonate together
34. parent material
35. source area/provenance
links to real world images
36. provenance & orogenic setting
igneous & metamorphic rocks & tectonic settings
37. heavy- mineral assemblages