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 PI2-1
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 3 OF 18
Location South quarry Date(s) Drilling Bearing
N 1653679.982 E 3083088.575 Drilled 10/3/2007 - 10/24/2007 Contractor Spectrum Exploration (Azimuth) NA
Ground Surface 6767.82 NAVD88 ear Logged K.Ainslie Drill Rig Boart Lon DB Plunge 90
Elevation(ft) by Type 9y (Degrees)
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core HQ Total 685.0
and(Date Measured) by 9 Diameter(in) Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL 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 N_ N_ U
0 Z 0 0 d J 0 Z J = 0 of rL 0 0 0
80
Box
85 Box 9 10 10 NA 100 NA 85.0-94.0':GRANITIC GNEISS. As above except slightly
5 - weathered;hard;talcy;occasional quartz veins 2-3 inches thick.
= I
= I
0
90 = 90.0-94.0':Thin,closed red veinlets. g
- I
Box =
5 93.3'-94.0':Predominantly quartz. Very hard;weathered,altered,
Box talcy fracture surfaces.
95 6 10 10 10 NA 100 NA 94.0-95.5':Quartz veining.
95.5':Biotite and other micas present in thin lease.
= I
= I
= 98.0-100.0':Spotty white veinlets. m
= Q
- J
100 100.0':Slightly less altered,surfaces not as talcy.
100.0-100.4':Quartz vein. White;very hard.
100.4-103.0':GRANITIC GNEISS. As above with pink to red
Box = veinlets.
6
Box j' 103.0-110.0':Predominantly Quartz. Pink to red and white veins;
7 hard to very hard;talcy fracture surfaces;occasional lenses of micas
(biotites)at 108'and 108.5'.
105 11 10 10 NA 100 NA
108.0':Increase in talc filling in fractures.
110
- 110.0':Less talc filling in fractures.
Box 110.0-112.0':GRANITIC GNEISS. Slightly weathered;hard to very
7 = hard;occasional talcy fracture surfaces.
Box 110.6-111.F:Quartz vein.
8 112.0-121.0':GRANITIC GNEISS. Fresh to slightly weathered;very
hard;moderately fractured;occasional white to pink veinlets.
115 12 10 10 NA 100 NA =
115.0-115.5':Quartz vein. White to pinkish.
119.0-1197:Quartz vein.
120 -