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 PI3-1
Exploration Phase 3
GE1 Consultants
PROJECT NO. 072850 SHEET 2 OF 16
Location South quarry Date(s) Drilling Bearing
N 1653020.373 E 3082806.225 Drilled 7/14/2008 - 7/30/2008 Contractor Precision Sampling (Azimuth) —45
Ground Surface 6902.35 NAVD88 Logged K.Ainslie Drill Rig Boart Lon ear DB Plunge 70
Elevation(ft) by Type 9y (Degrees)
An
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core HQ Total 600.5
and(Date Measured) by g Diameter(in) Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL CO
oco
m DESCRIPTION
U N i N
5 O 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 N a) - O 0 O N
0 Z 0 0 W J 0 Z J 2 0- of rL 0 0 0
40 8 5 5 NA 100 NA _
_ II
= II
9 5 3 NA 60 NA 42.5-46.0':Very intensely fractured,rubble. Possible core loss here.
II
II
4 Box
5 _
a = II
Box
5 46.0-64.0':GRANITIC GNEISS. Dark gray and pink with white
= quartz lenses;moderately to intensely weathered;moderately to
intensely to very intensely fractured,20-80°,iron stained surfaces, o N
10 5 4.5 NA 90 NA = occasional soft(talc/clay)surface material. o ii
- II
50
= II
11 5 5 NA 100 NA
55 B- -
s = _
Box
6
12 5 4.8 NA 96 NA
58.6-59.0':Very intensely fractured,rubble. Possible core loss here.
60 =
62.0-63.0':—70°fractures,closely spaced,iron stained and talcy
13 5 5 NA 100 NA " surfaces.
64.0':Rubble.
65 BOX = 64.0-70.5':GRANITIC GNEISS. Moderately to intensely weathered;
6 -'Box moderately fractured with iron stained fracture surfaces,many healed
7 - fractures.
14 5 5 NA 100 NA
70 = 69.5-70.5':Very intensely fractured.
70.5-95.5':GRANITIC GNEISS. Gray and pink;moderately to
_ intensely weathered;hard;intensely fractured,30-50°,most closely
-' spaced,iron stained surfaces,occasional talcy surfaces,occasional
healed fractures visible.
15 5 4.8 - - - NA 96 NA =
7 Box
5 = _
7
Box 75.5-79.0':Moderately to intensely fractured.
8 II
_ �N
16 5 5 - NA 100 NA
6¢
79.0-80.5':Intensely to very intensely fractured.
80