Table T12. Chemical composition of gold grains in inclusions in sphalerite, Hole 1189B.
Core, section, piece interval (cm)
Depth (mbsf)
Element (wt%)
Total
Au
Ag
Cu
Hg
193-1189B-





10R-1 (Piece 3, 24-34) 118.1




314
99.15 0.28 0.20 ND 99.64
315
98.64 0.22 0.21 ND 99.07
316
98.65 0.27 0.16 ND 99.08
317
98.45 0.35 0.17 ND 98.96
318
98.54 0.23 0.23 ND 99.01
319
95.50 0.43 0.17 ND 96.09
320
94.71 0.55 0.18 ND 95.44
321
94.97 0.47 0.18 ND 95.63
322
96.57 0.37 0.30 ND 97.24
323
94.14 0.38 0.30 ND 94.83
325
94.70 0.37 0.33 ND 95.40
Average:
96.73 0.36 0.22 97.31

Notes: ND = not detected (below detection limit of 99% confidence). Average composition of the gold associated with sphalerite = Au0.986 Ag0.007 Cu0.007. — = not applicable.