The following table is presented for the conversion of phi units to 

 millimeters: £~- i^ " log2 diameter (millimeters)_7 



Phi {^ Millimeters Geological Classification 



-1 2.0 Granule 



1.0 



1 0.50 



2 0.25 



3 0.125 



4 0.0625 Sand 



5 0.0313 



6 0.0156 



7 0.0078 



8 0.0039 



9 0.00195 Silt 



>9 Clay 



20. Subsomple Dry Weight (gm.) . Total dry weight of the subsample. 



21. Sphericity (avg .) . Not determined . 



22. Plasticity . A qualitative description of the sediments plastic character- 

 istics at the time the sample was analyzed in the laboratory. 



23 . Shell Con . A visual estimate of the percentage of sample that is shell . 



24. 25, and 26. Dominant, Secondary, and Other Minerals (%). Not determined 

 27. Remarks. 



60 



