2023-10-31_REVISION - M1973021 ‎(19)‎

• Permit No: M1973021
• IBM Index Class Name: Revision
• Doc Date: 10/31/2023
• Doc Name Note: Attachment A - Rule 6.5 Geotech Stability Exhibit - App A Subsurface Expl Findings 2 of 7
• Doc Name: Request for Technical Revision
• From: Holcim - WCR, Inc.
• To: DRMS
• Type & Sequence: TR9
• Media Type: D
• Archive: No

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, PROJECT: Morrison South Quarry LOG OF BORING 2008 PH3-3
Exploration Phase 3
GE1 Consultants
PROJECT NO. 072850 SHEET 3 OF 8
Location South quarry Date(s) 6/10/2008 - 6/26/2008 Drilling Bearing
Precision Sampling N 1654341.616 E 3082119.455 Drilled Contractor p g (Azimuth) -
Ground Surface 7041.78 NAVD88 Logged K.Ainslie Drill Rig Boart Lon ear DB Plunge 90
Elevation(ft) by Type gY (Degrees)
540
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core HQ Total 300.0
and(Date Measured) by g Diameter(in) Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL V; CO
oco
m DESCRIPTION
U N i 5 O F0 N
O � Iq a) N E E . 0_' O tl5 C C J > N
LLl Z N 0_' 0_ O a) N d O O �O .�.
N O 3 CL a) a) - O O01 O N
0 Z 0 IL J 0 Z J 2 ILd' rL 0 0 0
80 _
Box 17 5 4.8 NA 96 NA = mineral content;1"soft,weak zone at bottom.
80.0':55o,thin calcite coating.
Box - -
9 II
- II
18 5 5 - - - NA 100 NA
II
- o0
85 O
N
0 II
Q
86.5-88.0':Near vertical,—85o,fracture,very intensely fractured,
rough,iron stained surfaces;20o fractures continue.
= II
19 5 4.8 - - - NA 96 NA =
- II
90 Box
9 II
Box ;; 91.0-100.4':GRANITIC GNEISS. Gray to gray-brown;moderately to
10 = intensely weathered;hard;moderately fractured,near horizontal on
micaceous/biotite lenses,high angle,60-80o,healed fractures.
20 5 4.7 NA 94 NA 91.3-91.5':Fractured,rough,slightly talcy.
95
21 5 5 - - - - NA 100 NA =
98.6-100.1':Predominantly biotite gneiss;weaker zones at 99.3'and
100 BOX 100.1'.
0
Box 100.4-102.3':GRANITIC GNEISS. As above except predominantly
dark gray;slightly to moderately weathered;hard to very hard;20o and
80o healed fractures.
102.3-106.3':GRANITIC GNEISS. Gray and pink;more weathered;
22 5 4.9 NA 98 NA = intensely fractured,20o and 70o,closely to moderately spaced,surfaces
weathered,iron stained,some healed fractures are broken open.
105 =
106.3-1127:GRANITIC GNEISS. Reddish-pink to gray;moderately
weathered;very hard;slightly fractured.
Box 23 5 5 NA 100 NA
11
110 Box = 109.4':More gray,weathered and fractured;fractures—20o and 70o,
12 closely spaced,weathered surfaces,some healed.
110.6':Weathered fracture;broken rock.
- II
112.7-127.0':PEGMATITE. Pink;coarse grained;70o contact;
24 5 4.9 NA 98 NA :. quartz,feldpar and biotite minerals;very hard;70-80o fractures,
.: moderately spaced,weathered surfaces,some healed,brittle rock. o
115 N
115.2-116.0':Intensely fractured,near vertical fracture,iron stained g
: surfaces.
II
117.5-118.1':Dark gray,75o contact.
Box 25 5 4.9 - - - - NA 98 NA g Y� I I
12
Box
120 13