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 LH-6
Exploration
GE1 Consultants
PROJECT NO. SHEET 3 OF 5
Location South quarry Date(s) Drilling Bearing
N 1653806.834 E 3083434.757 Drilled 9/13/2005 - 10/12/2005 Contractor Spectrum Drilling (Azimuth) NA
Ground Surface 6731.14 NAVD88 Logged J. O'Brian Drill Rig CME 75 Plunge
Elevation(ft) � by Type (Degrees) 90
Borehole Fluid Depth(ft) NA Reviewed K. Pease Core HQ Total 195.0
and(Date Measured) by 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 � 2 0 d' rL 0 0 0
80
C-18 5.0 5.0 0.7 14 - - - NA 100 14 =
1' Quartz.Soft to moderately hard;moderately weathered;near vertical;
very close to close joints,rough joints,no staining,moderately to
C-19 3.0 1.5 0.3 12 NA 50 10 extremely fractured. I
I
I
-, Granite.Soft to moderately hard;gray to red-gray;slightly to
85 C-20 2.0 2.0 0.5 20 NA 100 25 \= moderately weathered;near horizontal,close to very close joints,rough
_ joints,no staining.
(i As above except quartz lease from approx.88.6-89.3 ft.;from 90.7-
91 ft.completely weathered weathered granite.
I
C-21 5.0 3.9 0.3 10 NA 78 6
90 =
%. No Recovery
C-22 4.0 0.0 0 15 NA 0 0 <
95 - 1
Quartz.Soft to moderately hard;moderately to highly weathered;gray
red;close,tight to open,rough,horizontal joints at 2-3"spacing. D
J
C-23 5.0 1.75 0 4 NA 35 0
I
I
100
As above except close,tight to open,vertical joints at 3-5"spacing.
I
102 ft:Granitic Gneiss.Soft;moderately weathered;gray-black.
C-24 5.0 2.75 0 7 - - - NA 55 0 = Y I
103 ft:As above except completely weathered;clay infill.
- I
105
Granitic Gneiss.Soft to moderately hard;moderately to highly
weathered;dark gray red;close to very close,open,rough,low angle
joints at 1-3"spacing;quartz lease 105.3-106 ft.
C-25 5.0 2.7 0 10 NA 54 0 =
= I
= I
110
As above.
110.5-114.5 ft:Vertical to high angle tight planar joint with calcite
infill,oxidation staining,slickenside striations approx.35'to 45'from
horizontal.
C-26 5.0 5.0 0 10 NA 100 0 111 ft:Schist.Moderately hard;moderately weathered;dark green to
dark gray;close to very close,open,rough,low angle joints at 14"
= spacing.
112 ft:Granitic Gneiss.Soft to moderately hard;moderately to highly o
115 weathered;dark green-gray;close to very close,tight,rough,low angle N
joints at 14"spacing.
Quartz.Moderately hard;moderately weathered;gray-green to red;
close,open,rough,low angle joints;occasional high angle,open,rough
C-27 5.0 4.2 0 9 NA 84 0 ' 'joints.
I
I
I
120