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

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, PROJECT: Morrison South Quarry LOG OF BORING 2008 PH3-1
Exploration Phase 3
GE1 Consultants
PROJECT NO. 072850 SHEET 4 OF 16
Location South quarry Date(s) Drilling Bearing
N 1653020.373 E 3082806.225 Drilled 7/14/2008 - 7/30/2008 Contractor Precision Sampling (Azimuth) —45
Ground Surface 6902.35 NAVD88 Logged K.Ainslie Drill Rig Boart Lon ear DB Plunge 70
Elevation(ft) by Type 9y (Degrees)
An
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core HQ Total 600.5
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 .�.
C O 3 N a) — O O U 2 0 N N_ N_ U
0 Z 0 0 d J 0 Z J = 0 of lL 0 0 0
120 24 5 3.3 NA 66 NA
_ Bottom 6-inches is clayey rock;possible core loss here.
= 120.5-125.5':GRANITIC GNEISS. Dark gray and pink;occasional
quartz veins;moderately to intensely weathered;intensely fractured,
predominantly closely spaced,near horizontal fractures,iron stained
25 5 4.9 NA 98 NA = surfaces.
- II
125 12
,z = I I
Box = 125.5-145.5':GRANITIC GNEISS. Dark gray and pink;moderately
13 - weathered;hard;slightly to moderately fractured,predominantly near
= horizontal fractures,widely spaced 70°fractures,some iron stained o m
surfaces. o
26 5 5 NA 100 NA o Q
J
II
130
_- II
131.2-131.6':Quartz vein.
- II
= II
27 5 5 NA 100 NA
133.8':Thin,softer,broken fracture 25-30°.
Box
135 13 134.9':Thin,softer,broken fracture 25-30°.
Box =
14
28 5 4.8 NA 96 NA
138.2':70°fracture with thin calcite infilling,reacts with HCI.
140 -
140.5-145.5':25-30°fractures,moderately spaced,occasional talcy
surfaces,occasionally healed.
29 5 5 NA 100 NA 142.3':1-inch thick quartz vein.
143.6':Weak,micaceous fracture,near horizontal,calcareous.
145 B- -
14
Box - 145.5-153.5':GRANITIC GNEISS. As above except moderately to
15 intensely fractured.
146.2-1487:Weaker,talcy rock,numerous healed fractures appear
30 5 5 NA 100 NA talcy;brittle rock.
148.7-153.5':Predominantly dark gray;talcy fracture surfaces,
150 = closely spaced.
31 5 5 - - - NA 100 NA -
153.5-155.5':GRANITIC GNEISS. As above except mottled dark
Box _ '; gray and pink;30°fractures,moderately spaced,slightly talcy surfaces.
155 15 =
Box f 155.5-156.1':PEGMATITE. Pink and white coarse 2rained very
16 hard.
156.1-158.9':BIOTITE GNEISS. Dark gray;slightly weathered;hard; o
32 5 5 NA 100 NA moderately fractured,50°fractures,widely spaced,clean,20-25- r°N
fractures,closely to moderately spaced,slightly talcy,healed white 'Oil
fractures visible.
158.9-159.6':PEGMATITE. Pink and white;coarse grained;very
160