2021-07-14_REVISION - M2012032 ‎(4)‎

• Permit No: M2012032
• IBM Index Class Name: REVISION
• Doc Date: 7/14/2021
• Doc Name Note: II of II
• Doc Name: Adequacy Review Response
• From: Ouray Silver Mines
• To: DRMS
• Type & Sequence: TR15
• Email Name: LJW
• Media Type: D
• Archive: No

MIDTH
Table 4: Liberation of Sulfides in the Master Composite
by QEMSCAN (Distribution %)
Dist% Dist% Dist% Dist%
Galena Chalcopyrite Tetrahedrite Sphalerite
Lib Galena 91.60 0.08 0.63 0.01
Lib Chalcopyrite 0.01 64.16 0.11 0.02
Lib Tetrahedrite 0.00 0.25 61.82 0.01
Lib Sphalerite 0.06 0.36 0.57 89.43
Lib Py 0.17 0.13 0.04 0.04
Mid Galena 5.55 2.14 2.61 0.87
Mid Cp 0.05 22.75 2.27 0.72
Mid Tet 0.06 1.14 29.32 0.45
Mid Sp 0.18 0.46 1.00 6.42
Locked Gn 2.08 0.48 0.07 0.13
Locked Cp 0.07 7.50 0.08 0.02
Locked Tet 0.00 0.09 0.98 0.00
Locked Sp 0.14 0.24 0.31 1.82
Complex 0.03 0.21 0.19 0.05
Ba rre n 0.001 0.00 0.001 0.00
Other 0.001 0.001 0.001 0.00
Table 5: Liberation of Galena in the Master Composite
by QEMSCAN (Distribution %)
Fraction (microns)
+106 -106/+53 -53/+20 -20 SUM
Lib Galena 8.76 33.89 24.11 24.84 91.60
Lib Chalcopyrite 0.01 0.00 0.00 0.00 0.01
Lib Tetrahedrite 0.00 0.00 0.00 0.00 0.00
Lib Sphalerite 0.03 0.01 0.02 0.00 0.06
Lib Py 0.02 0.06 0.04 0.04 0.17
Mid Galena 0.83 1.97 1.22 1.52 5.55
Mid Cp 0.00 0.04 0.01 0.00 0.05
Mid Tet 0.02 0.02 0.02 0.00 0.06
Mid Sp 0.04 0.11 0.03 0.00 0.18
Locked Gn 0.81 0.66 0.28 0.32 2.08
Locked Cp 0.04 0.03 0.00 0.001 0.07
Locked Tet 0.00 0.00 0.00 0.001 0.00
Locked Sp 0.08 0.04 0.01 0.00 0.14
Complex 0.03 0.00 0.00 0.00 0.03
Ba rre n 0.00 0.00 0.00 0.00 0.00
Other 0.001 0.001 0.00 0.00 0.00
SUM 10.681 36.841 25.751 26.73 100.00
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