Modules: | 1 | 2 | 3 | 4 | 5 | 6 | Assessments: | 1 | 2 | 3 | 4 | Camp Organization: | 1 | 2 | 3 | 4 | Handouts: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Forms: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Syllabus
GRAIN SIZES
GRAVEL (>2 mm)
2-4 mm = granule 4-64 mm = pebble 64-256 mm = cobble >256 mm = boulder
SILT (0.0039-0.625 mm)
0.0312-0.625 mm = coarse 0.156-0.312 mm = medium 0.0078-0.0156 mm = fine 0.0039-0.0078 mm = very fine
SAND (0.625-2 mm)
1-2 mm = very coarse 0.5-1 mm = coarse 0.25-0.5 mm = medium 0.125-0.25 = fine 0.0625-0.125 = very fine
CLAY (<0.0039 mm)
© 2003 MATRIX Project Director: Anne Pyburn Indiana University Bloomington
