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

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, PROJECT: Morrison South Quarry LOG OF BORING LH-2A
Exploration
GE1 Consultants
PROJECT NO. SHEET 2 OF 5
Location South quarry Date(s) -Drilling Bearing
N 1652872.931 E 3082650.391 Drilled 12/13/2005 - 12/13/200ontractorSpectrum Drilling (Azimuth) NA
Ground Surface 7000.04 NAVD88 Logged O'Brian Drill Rig Boa Lon Plunge
Elevation(ft) � by ear Type gy (Degrees) 90
Borehole Fluid Depth(ft) NA Reviewed K. Pease Core NX Total g4.0
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 a) a) — O 0 O N N_ N_ U
0 Z 0 0 d J 0 Z J � 2 0 of rL 0 0 0
20
I
Granitic Gneiss. Hard;slightly to moderately weathered;gray; fine to
_ medium-grained;foliated—5°dip,extremely close to close joints,low to
vertical joints,tight to open,smooth to very rough,planar to undulating,
moderately to highly weathered joints with up to 1"into rock 1"clayey
sand infill at 23.5%occasional pink pegmatite veins.
R-1 5.0 4.8 0.6 12 NA 96 12
= I
- I
- I
25
= I
- I
= Granitic Gneiss. Hard to very hard;slightly weathered;gray;fine to
medium-grained;foliated—5°dip,extremely close joints to 26.5',close
to moderately close joints to 31',partly open to tight,rough,irregular
and planar,one low angle joint,mostly high angle joints,iron staining
and then silty coatings on surfaces;occasional pink pegmatite veins.
R-2 5.0 4.7 3.25 12 NA 94 65 =
- I
30
_ m
_ Q
J
_ I
As above except slightly to moderately weathered;foliated 5°-10°dip,
multiple low and high angle joints,extremely close to close,rough to
= very rough,planar,undulating and stepped to 2"
- I
R-3 4.5 4.5 1.9 12 NA 100 42
= I
- I
35 =
- I
As above except no stepped joints,all joints appear to be low angle
(0-10°)to high angle(60-85°),planar,irregular,and undulating;one
vertical fracture with 2 min clayey infill from 37.2-38.2%0.5"quartz
_ vein at 37.1;1"clay seam(gray)at 38.2'.
- I
R-4 5.0 4.6 0.75 11 NA 92 15
= I
- I
- I
40