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 00
, PROJECT: Morrison South Quarry LOG OF BORING 2008 PI3-3
Exploration Phase 3
GE1 Consultants
PROJECT NO. 072850 SHEET 4 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 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 CL a) a) — O O01 O N
0 Z 0 0 d J 0 Z J = 0 of rL 0 0 0
120
25 5 4.9 - - - NA 98 NA
II
II
eo
26 5 4.9 - - - NA 98 NA o
N
0 Q
125 J
II
II
Box
13 127.0-136.0':BIOTITE GNEISS. Dark gray;finer grained;50°
Box contact.
14 27 5 5 - - - - NA 100 NA 127.0-127.8':50-600 fractures,closely spaced,iron stained surfaces.
128.5-128.6':Quartz and biotite vein at—70°.
130 129.0':50°,softer surface material,weathered.
129.5':50°,softer surface material,weathered.
130.0':50°,softer surface material,weathered,healed.
131.4':Quartz vein.
i
28 5 5 NA 100 NA % 133.1':Quartz vein.
y i
135 Box 134.8-135.1':White to pink quartz vein,hard,—65°contact.
14 135.6':40°,softer surface material,weathered,broken.
Box / 136.0-156.4':BIOTITE GNEISS. Dark gray;slightly to moderately
s / weathered;hard to very hard;slightly fractured,45-50°,moderately to
widely spaced,iron stained surfaces,occasionally healed.
29 5 5 NA 100 NA i
138.8:Pink vein.
140 139.1':Pink vein.
i
141.7-142.0':Pink,coarse grained pegmatite;intensely fractured at
near vertical fracture,iron stained surfaces.
30 5 4.7 - - - NA 94 NA
Box 1437:Quartz vein at—50°.
145 15
eox
16
i
II
II
II
31 5 5 NA 100 NA J/
yy/ 149.1-1497:—70°fracture truncated by—40°fracture,iron stained
150 surfaces.
149.5':Pink pegmatite vein.
150.3':Pink pegmatite vein.
150.5-151.0':Weaker,softer rock,more weathered;broken fracture o
at 150.5'. v o
m
32 5 4.7 NA 94 NA y 153.0-154.0':—40°fractures,closely spaced,soft,talcy surfaces to Q
Box J 16 thin infilling.
155 B-
17
� II
156.4-159.0':Predominantly quartz and biotite;intensely to very
intensely fractured.
33 5 4.9 NA 98 NA
II
160 MR/ 159.0-163.1':BIOTITE GNEISS. Dark gray;slightly to moderately