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 PH2-2
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 1 OF 13
Location South quarry Date(s) Drilling Bearing
N 1653741.068 E 3082997.354 Drilled 10/29/2007 - 11/9/2007 Contractor Spectrum Exploration (Azimuth) 315
Ground Surface 6771.19 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 500.0
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 rL 0 0 0
0 Box " 0.0-12.5':GRANITIC GNEISS. Medium gray;intensely to
moderately weathered;moderately hard;fractured with micaceous
lenses and occasional pink quartz lenses.
1 5 2 - - - NA 40 NA X/
- I
3.0-4.0':Soft,weak rock.
_ I
5 -
= I
- I
2 5 2 - - - NA 40 NA
= I
- I
10
= I
3 5 3 NA 60 NA 12.5-14.3':GRANITIC GNEISS. Darker gray;weathered;moderately
hard;fractured.
0
14.3-15.0':GRANITIC GNEISS. Decomposed rock. Brownish,silty,
15 = sandy material.
15.0-18.0':GRANITIC GNEISS. Gray;weathered;moderately hard;
moderately fractured,red-orange discoloration extends from fractures;
Box pink quartz and biotite lenses present.
1 4 5 4.3 - - - NA 86 NA
Box = 18.0-20.0':GRANITIC GNEISS. Decomposed rock.
z - I
20 =
20.0-237:GRANITIC GNEISS. Dark gray with pink quartz veining;
moderately weathered;hard;moderately fractured with occasional talcy
fracture surfaces.
5 5 5 NA 100 NA
23.7-24.5':Pegmatite. Pink;fractured.
25 24.5-25.1':GRANITIC GNEISS. Intensely fractured;weakened rock
where micas(biotites)present.
25.1-30.0':GRANITIC GNEISS. Greenish-gray to brownish-gray;
= weathered;moderately hard;soft fractures.
Box 6 5 5 NA 100 NA
2 27.8-28.0':Dark gray lease.
Box
3
30 30.0-35.0':GRANITIC GNEISS. Gray to dark gray/bluish-gray;
- moderately to intensely(along fractures)weathered;hard;moderately to
intensely fractured wih red-orange staining on fracture surfaces.
7 5 5 NA 100 NA
_ I
_ o
- N
r
35 35.0-40.0':GRANITIC GNEISS. Gray;moderately weathered;hard; u
- slightly fractured with staining on fracture surfaces;core becomes more
_ red and darker with depth.
BOX 8 5 5 - - - - NA 100 NA -
Box =
4
40