226 



ANALYSIS OF HEAVY MINERAL SOIL 



Table I. 



Sample Nil 



Fine Gravel 

 Sand 



Fine Sand 

 Silt 

 Fine Silt 



Normal size 



1-3 m.m, 



02-1 „ 



0-04-0-2 „ 



0-01-0-04. „ 



0-004-0-01 „ 



Very Fine Silt 0-002-0-004 

 Clay 0-002 



Moisture 



Loss on ignition ... 

 Calcium Carbonate 



Magnetite — 



in Fine Gravel 



in Sand ... 

 Heavy Minerals (sp. gr. 3)- 



in Fine Gravel... 



in Sand ... 



Specific gravity of Soil . . . 



3534 



% 



5-2 



3537 

 % 

 2 9 



361 \ 



% 

 9-9 



3658 



% 

 4-0 



3G61 

 % 

 62 



3G64 3070 



% % 



67 10-1 



3080 4881 



50 36 



25-2 15-7 465 332 235 312 19.6 350 206 



12-6 11-3 - - 15-9 — 12-9 10-2 187 12-8 



5-6 69 — 3-8 — 4-0 47 62 46 



6-3 8-4 - 4-1 — 4-7 5"1 4-1 56 



51 62 — 2-3 — 28 35 29 25 



30-2 34-3 — 290 — 30"3 37"1 20"9 38-3 



3-1 38 2-4 2-0 2-9 3-0 4*0 21 29 



7-0 6-9 3-6 47 6-3 6'2 7'1 4\s 72 



0-21 0-19 — — — 0-24 0-27 — 023 



3-4 0-2 7(3 1-2 05 3"8 9"9 0"3 0"5 



6-5 0-9 29-8 4-4 2*0 147 14'8 1"1 1*9 



40 1-1 8-8 1-3 1-8 6-6 9-9 TO 0-5 



135 4-1 39-7 5-5 87 20"8 16"3 6"2 41 



2-8 2-8 3-3 28 27 3"0 2"9 29 27 



Table II. 



Fine Gravel and Sand (0 - 2 mm. — 3 mm.) 



