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 2007 PH2-3
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 12 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 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 a) a) — O 0 O N
0 Z 0 0 d J 0 Z J = 0 of lL 0 0 0
440 439.5-463.0':GRANITIC GNEISS. Predominantly dark gray;fresh to
slightly weathered;hard;moderately to intensely fractured;occasional
closed white fractures;occasional red/pink lenses and micaceous/biotite
=89 5 5 NA 100 NA lenses,weaker rock at micaceous areas.
- - - - I
_ I
445
= I
446.0-446.4':Pegmatite,pink._ o
Box 90 5 5 - - - NA 100 NA
46
Box 448.0-452.0':Intensely fractured.
47
- I
450
450.5':—70-90o talc filled fracture.
I
91 5 5 NA 100 NA 452.0':Becomes lighter gray with occasional thin(<O.1')white quartz
= veins;moderately fractured.
_ I
= I
455
- I
Box 92 5 5 NA 100 NA
47
Box
48
460 =
_ I
= I
- I
93 5 5 - - - NA 100 NA
463.0-468.4':GRANITIC GNEISS. Lighter gray with red veining and
white"pods";hard;moderately fractured with talcy fracture surfaces.
464.0':Broken fracture,talcy. N
465 N
_ Q
Box 465.9-466.4':Fracture,altered,weak,talcy. j
48
Box 94 5 5 NA 100 NA
49 467.4-470.0':GRANITIC GNEISS. Greenish-gray to brownish-gray;
brittle;closed white fractures;talcy.
470
470.0-470.4':Dark gray. I
470.4-4707:White to pink quartz vein.
470.7-473.2':GRANITIC GNEISS. As 467.4-470.0%weaker on
95 5 5 NA 100 NA = micaceous lenses;talcy.
473.2-473.41:White quartz vein.
473.4-476.0':GRANITIC GNEISS. Gray to reddish with thin quartz
475 veins;closed white fractures.
474.8':Pink vein.
Box
49 476.0-478.0':Whitish gray;altered rock;intensely fractured;talcy. o
0
Box
50 96 5 5 NA 100 NA N
478.0-495.0':GRANITIC GNEISS. Predominantly dark gray, g a
= becoming lighter with depth,with white"pods";fresh to slightly
_480 weathered;hard;moderately to intensely fractured with talcy fracture