2023-10-31_REVISION - M1973021 ‎(24)‎

• 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 1 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 PH2-2
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 4 OF 13
Location South quarry Date(s) Drilling Bearing
N 1653741.068 E 3082997.354 Drilled 10/29/2007 - 11/9/2007 Contractor Spectrum Exploration (Azimuth) 315
Ground Surface 6771.19 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 500.0
and(Date Measured) by 9 Diameter(in) Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL V; CO
oco
m DESCRIPTION
U N i O U)
O � Iq a) N E E . d' O tl5 C C J > a)
LLl Z N d' 0_ O a) N d O O �OCL .�.
N O 3 a) a) - O O01 O N
0 Z 0 0 d J 0 Z J = 0 of rL 0 0 0
120 120.0-125.0':GRANITIC GNEISS. Dark gray;talcy fracture surfaces,
healed white fractures assumed talc filled;dark red veinlets present.
25 5 5 - - - NA 100 NA
123.2-124.2':Pink quartz present.
Box
125 12
Box = 125.0-127.0':GRANITIC GNEISS. Dark gray with thin dark red
13 lenses.
26 5 5 - - - NA 100 NA 127.0-131.9':GRANITIC GNEISS. Gray with red veining;
moderately hard;talcy fracture surfaces.
127.4':Large talc-filled fracture.
130 -_
130.6':Quartz vein.
- I
27 5 5 NA 100 NA 131.9-140.0':Predominantly white quartz;pink veining;hard;talcy
fracture surfaces;becomes more gray with depth and with micaceous
Box '• lenses.
13
Box
135 4
I
I
28 5 5 NA 100 NA
I
I
0
N
r
140 140.0-141.1':GRANITIC GNEISS. Gray with red veinlets;quartz o
vein at bottom.
141.1-144.0':GRANITIC GNEISS. Soft,almost decomposed rock;
=29 5 5 NA 100 NA light gray with dark gray micaceous lenses;occasional red lenses.
- - - - I
Box
14 =
Box 144.0-151.0':Interbedded white/pinkish quartz and dark gray granitic
145 15 - gneiss with occasional red veinlets;slightly weathered to fresh;hard;
_ moderately to intensely fractured,talcy fracture surfaces and closed
white fractures assumed talc filled.
145-150':Some core loss(not recorded).
30 5 5 - - - NA 100 NA
- I
150
- I
151.0-155.0':Softer,almost decomposed rock;pink to white to gray to
Box = dark gray;weathered;intensely fractured.
15 31 5 4 NA 80 NA
Box
16
0
v
155 155.0-161.3':Soft,almost decomposed rock;light gray to reddish; Q
altered,talcy;closed white fractures break easily.
= I
32 5 5 - - - NA 100 NA
- I
- - I
160