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 PI2-3
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 3 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 O01 O N
0 Z 0 0 d J 0 Z J = 0 of rL 0 0 0
80 80.0-82.2':GRANITIC GNEISS. As above;talcy fracture surfaces.
Box
8 e
Box 17 5 5 NA 100 NA 82.2-84.2':GRANITIC GNEISS. Light gray to dark gray and pinkish; °
s ;'• moderately to intensely fractured with talcy fracture surfaces and closed
white fractures.
I
f' 84.2-847:White Quartz vein.
85 " 84.7-93.0':GRANITIC GNEISS. As above;hard.
- I
18 5 5 NA 100 NA
= I
- I
90 Box =
Box
10 =
19 5 5+ NA NA 92.2':Black biotite lease in pink quartz.
= 93.0-95.0':GRANITIC GNEISS. White and gray;altered,talcy;
micas present;weaker rock—93-93.3',then slightly harder.
95 95.0-96.9':GRANITIC GNEISS. As 84.7-93.0'.
' 96.9-105.0':GRANITIC GNEISS. Predominantly pink with dark gray
20 5 5 NA 100 NA - to black;slightly weathered;hard;moderately to intensely fractured
with talcy fracture surfaces.
- I
100 Box =
10
Box
11
21 5 5 NA 100 NA Becomes lighter pink with depth.
I
- - I
105 105.0-109.0':GRANITIC GNEISS. Dark red and black;hard to very
hard;slightly to moderately fractured,occasional mineralization on
- fracture surfaces.
22 5 5 NA 100 NA
- I
I
Box 109.0-127.8':GRANITIC GNEISS. Dark gray and pink;hard;slightly
110 11 fractured with talcy fracture surfaces and closed white fractures.
Box 109.2':Thin white quartz vein.
12
N
23 5 5 - - - NA 100 NA
= o
- I
115
- I
- - I
24 5 5 NA 100 NA
118.3-1187:Very dark gray;white talcy veins.
Box 118.7-127.8':Intensely fractured.
120
z