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 00
, PROJECT: Morrison South Quarry LOG OF BORING LH-6
Exploration
GE1 Consultants
PROJECT NO. SHEET 2 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 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 N a) - O 0 O N N_ N_ U
0 Z 0 ILd' J 0 Z J 2 0- d' l L 0 0 0
40 _
C-8 5.0 2.0 0 4 NA 40 0 Pull rods to change bit to#10
I
Gneiss.Moderate to hard;coarse grained;pink and white turning to gray
in bottom 12"at 45;chlorite coating on joint surfaces.
C-9 5.0 5.0 4.8 12 NA 100 96
Bottom of boring at 46'
45
_ Boring was subsequently continued to 190 ft.
Auger back down hole to 39'
Attempt to set core barrel back through rock-no success-ream out to
C-10 2.5 1.4 1.0 NA 56 40 46'and overcore to 48.5'
Gneiss.Moderate to hard;fresh;coarse grained;white;2"quartz vein.
- I
Gneiss.Moderately hard;medium to coarse grained;white and gray;3"
50
C-11 2.5 2.5 1.2 15 NA 100 48 :, quartz vein,very hard;iron staining on joint surfaces;chlorite coatings.
-_ I
- I
= Gneiss.Moderately hard;slightly weathered to fresh;dark gray;with 6"
quartz veins.
0
C-12 5.0 1.5 0.8 - - - NA 30 16 = N
55 =
As 48.5-51 ft;horizontal close spacing joints,approx.4"completely
weathered sandy lease at-59'.
_ I
- I
C-13 5.0 4.0 1.3 7 NA 80 26 =
;''• Below 59',moderately hard to hard;dark gray;slightly weathered to
60 moderately weathered.
- I
As 56'except close to very close spacing,horizontal to-20°,some joints
contain completely weathered granite lenses.
C-14 5.0 4.5 1.5 11 NA 90 30
I
- I
65 =
As above except micaceous at 71'and moderately to severely weathered
from 70.4-71'.
- I
C-15 5.0 4.2 2.8 9 NA 84 56
- - I
70 = o
-, Granite.Soft;moderately to very severely weathered;lenses of quartz
- and micaceous articles;very close fracturing;clay lease from a rox.
C-16 2.5 2.25 0 8 NA 90 0 -i 72.6-73.2 ft. p n g; Y PP
- Granite.Fresh to slightly weathered;gray and white;horizontal joints,
C-17 25 25 12 8 NA 100 48 joints rough,no staining,little quartz.
. . .
75 -
" Granitic Gneiss.Soft;mottled white and gray;moderately weathered;
very close to close fraturing,rough joints,no staining,horizontal joints.
C-18 5.0 5.0 0.7 14 NA 100 14
I
- I
80