GROUP  OF  SAMPLES (COLLECTED FROM DIFFERENT PLACES) SINK   IN  GRAMS FLOAT  IN  GRAMS TOTAL % OF HEAVIES
QUARTZ - 1 QUARTZ - 2 0.77
0.41
220.84
115.56
221.6
115.96
0.35
0.352
BASALT - 1 BASALT - 2 0.6
0.5
90.89
51.47
91.49
51.97
0.65
0.96
ULTRAMAFIC  - 1 ULTRAMAFIC - 2 0.14
0.23
61.36
138.63
61.51
138.86
0.23
0.17
STREAM SEDIMENT – 1 STREAM  SEDIMENT - 2 1.56
4.13
15.19
32.73
16.76
36.86
9.33
11.21
Table 2: Results of sink float tests.