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 2 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 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
40 Box 40.0-56.0':GRANITIC GNEISS. Yellow to red staining on fracture
z surfaces;moderately weathered;intensely fractured;hard.
= I
- I
_ I
45 5 10 6 NA 60 NA
= I
- I
- I
_
0
50
= I
- I
55 6 10 4.5 - - - NA 45 NA =
- I
eox - 56.0-57.0':Fracture zone.
z -
B- 57.0-70.0':Fracture zone. Intensely weathered;occasional pink and
3 - white quartz veins;occasional decomposed sandy rock.
- I
60
- I
= I
- I
- I
65 7 10 4.8 - - - NA 48 NA =
e
m
= a
- J
I
_ I
70
70.0-72.0':Quartz pegmatite. White;intensely fractured.
I
I
" 72.0-75.0':Fracture zone. Decomposed rock.
I
Box =
75 Box 8 10 8 NA 80 NA = 75.0-100.0':GRANITIC GNEISS. Predominantly gray with
4 occasional pink to red and white veinlets;slightly to moderately
weathered;moderately hard to hard,very hard at quartz veins;
moderately to intensely fractured with white,talcy fractures(increasing
with depth).
80