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

0 , PROJECT: Morrison South Quarry LOG OF BORING 2007 PH2-3
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 2 OF 13
Location South quarry Date(s) Drilling Bearing
N 1652858.986 E 3083203.161 Drilled 11/12/2007 - 12/3/2007 Contractor Spectrum Exploration (Azimuth) 360
Ground Surface 6822.86 NAVD88 ear Logged K.Ainslie Drill Rig Boart Lon DB Plunge 70
Elevation(ft) by Type 9y (Degrees)
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core NQ Total 495.0
and(Date Measured) by 9 Diameter(in) Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL CO
oco
m DESCRIPTION
U N i O U)
O � Iq a) N E E . 0_' O tl5 C C J > a)
LLl Z N 0_' 0_ O a) N d O O �O .�.
N O 3 a) a) — O 0 O N
0 Z 0 0 d J 0 Z J = 0 of rL 0 0 0
40
_ I
_ o
9 5 5 - - - NA 100 NA
i
Box =
4 =
Box 44.0-50.2':Moderately fractured.
45 5
_ I
= I
10 5 5 - - - NA 100 NA
- I
50
50.2-51.0':Very intensely fractured.
51.0-52.8':Intensely fractured.
_- I
Box 11 5 5 NA 100 NA 52.0':Black biotite lease with foliation.
5 = 52.6':Fracture on weak biotite lease.
Box = 52.8-60.0':GRANITIC GNEISS. Yellowish gray;intensely
6 weathered,weathered to clay in some areas(58.2-60.0');moderately to
55 _ intensely fractured. N
= I
- I
12 5 5 - - - NA 100 NA
= I
60 60.0-60.6':GRANITIC GNEISS. Abundant biotite;intensely
weathered;softer rock,almost decomposed;fractured.
= 60.6-737:GRANITIC GNEISS. Dark gray and pink,
Box yellowish-orange on fracture surfaces;slightly to moderately weathered;
s 13 5 5 NA 100 NA hard;moderately to intensely fractured—5-90°;occasional thin(<O.1')
Box
= quartz veins.
65 =
= I
14 5 5 NA 100 NA
= I
69.2-70.5':Very intensely fractured.
70
- I
Box o
7 15 5 5 NA 100 NA =
Box
a
73.7-80.0':GRANITIC GNEISS. Dark gray;slightly weathered;hard;
abundant closed white fractures;micaceous;occasional coarse grained
75 pink pegmatite veins.
= I
- I
16 5 5 NA 100 NA
- I
78.4-80.0':Moderately to intensely weathered with yellow-orange
fracture surfaces.
80