2021-12-07_REVISION - M2012032 ‎(26)‎

• Permit No: M2012032
• IBM Index Class Name: Revision
• Doc Date: 12/7/2021
• Doc Name Note: Appendix 6: Tailings and Waste Rock Management Plan
• Doc Name: Proposed Revision Materials
• From: Ouray Silver Mines, Inc
• To: DRMS
• Type & Sequence: AM2
• Email Name: LJW
• Email Name: THM
• Media Type: D
• Archive: No

HYDROMETER ANALYSIS SIEVE ANALYSIS
25 HR 7 HR TIME READINGS US STANDARD SERIES CLEAR SQUARE OPENINGS
45 MIN 15 MIN 60 MIN.19 MIN 4 MIN 1 MIN '200 '100 '50'40'30 '16 '10'8 '4 318" 3/4" 1'/:" 3" 5"6" R"
100 - 0
90 10
z 70 --- - 0 w
------- -------------- --- - ----
a 60 -- ----- -- 40 w
w
- - - - -
w 50 Z
U - - ----- -- ---r--- --- -- 50 U
tt
-- ------ ------ --- --- - --- --
a 40 -- -- ---- -- -- -- - ---- - + ---- -- - -- - - 60 w
-- -
30 70
20 --- --- 80
10 90
0 - --- - --- --- ----------- -- - - - -- - 100
001 0 002 005 009 019 037 074 149 297042 590 119 20 238 476 952 191 361 762 12,52200
DIAMETER OF PARTICLE IN MILLIMETERS
CLAY(PLASTIC)TO SILT(NON-PLASTIC) SANDS GRAVEL
FINE MEDIUM I COARS FINE COARSE I COBBLES
Sample Of Lean Clay with Sand(CL) GRAVEL 0 % SAND 23 %
From Fortune Revenue Silver Mine SILT&CLAY 77 % LIQUID LIMIT 25 %
PLASTICITY INDEX 8 %
HYDROMETER ANALYSIS SIEVE ANALYSIS
25 HR 7 HR TIME READINGS US STANDARD SERIES CLEAR SQUARE OPENINGS
45 MIN 15 MIN 60 MIN 19 MIN 4 MIN 1 MIN •200 '100 '50'40'30 '16 '10'8 '4 3/8'. 3/4" 11/V 3" 5116" 8"
100 10
- -- - -- - - -- -------------------- - ------- -- --
90 10
80
-- - - - - - --- - - --'-- - - ---- --- - --- - 20
070 --- - ---- - - -— ---'- -- - —� - -- --- --- --- ----- -30 ❑
Z ---- --- - - -- - --- -- -- --- - w
y - - -- - - - - - -- ------- -- --- - Z
oa 60 - -- - --- -- -- --- — - - -- - -- 40 w
af--- --- - -- - - - —
z z
v 50 50 w
-- - - --- - - - --- - --- - - -- U
w - --- - -- ----- ------- - -------- ---- —- - w
Q.40 -60 o.
20 - --- ------ - -- - - - - - - -- -- 80
- — - - - - - -- -- -
10 --------- --- —+---- ---- ----� 90
0 100
001 0 002 005 009 019 037 .074 149 297042 590 1 19 2 0 2 38 4 76 952 191 361 762 12,52200
DIAMETER OF PARTICLE IN MILLIMETERS
SANDS GRAVEL
CLAY(PLASTIC)TO SILT(NON-PLASTIC) FINE MEDIUM COARSE FINE COARSE I COBBLES
Sample of GRAVEL % SAND %
From SILT&CLAY % LIQUID LIMIT %
PLASTICITY INDEX %
Gradation
FORTUNE REVENUE SILVER MINE Test ResUltS FIG. 1
PROJECT NO DN47,709
S\PROJECTS\47700\DN47709 000\300\3 Letters\00N47709-Gradation