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 5 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 IL J 0 Z J 2 0- of rL 0 0 0
160
33 5 4.9 - - - - NA 98 NA � weathered;hard to very hard;moderately to intensely fractured,60-70°,
closely to moderately spaced,broken,soft surfaces,occasionally talcy. o
/ N O
/ 0 Q
BOX J
17 34 5 4.8 - - - - NA 96 NA 163.1-191.8':PEGMATITE. Pink;coarse grained;predominantly
Box :. quartz,feldspar and biotite minerals;very hard;slightly weathered;
165
8 slightly to moderately fractured,occasional iron stained surfaces.
35 5 4.7 - - - NA 94 NA
170
Box 172.2-172.6':Fractured,weaker rock,40-70°,talcy.
18
Box 36 5 4.7 NA 94 NA
19
175 174.6-176.0':High angle,—80°,talcy fracture.
176.0-191.8':Moderately to intensely fractured.
176.5':70-80°fracture,clean.
37 5 4.9 NA 98 NA 178.0':70°fracture,talcy.
180 179.6-180.6':Dark gray biotite gneiss;intensely fractured.
180.6':80°fracture,talcy,weak.
Box
19
Box 182.3':0.1'weak zone.
20 38 5 5 NA 100 NA
1837:Weak zone,talcy with 60°fracture.
185
185.0':Weak zone,50°. I I
186.0-191.8':Interbedded with dark gray biotite gneiss.
II
II
II
39 5 4.8 NA 96 NA
II
190
00
m
Box 190.6':Weak,soft,fractured rock. c6
20 191.0-191.8':Weak,soft,fractured rock. o
Box 191.8-201.0':BIOTITE GNEISS. Dark gray,occasional red veining
21 and white quartz veins;slightly to moderately weathered;hard;slightly
40 5 4.9 NA 98 NA / to moderately fractured,surface staining otherwise clean.
/ 193.1-193.5':55°and 30°fractures.
194.1'-40-45°healed fracture,filled 0.1".
195 194.3':40-45°healed fracture,filled 0.1".
195.1':Broken,fractured rock.
II
II
/ II
41 5 4.9 NA 98 NA 197.6-197.8':Weak rock,heavy biotite.
II
200
/ II