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-7
Exploration
GE1 Consultants
PROJECT NO. SHEET 2 OF 2
Location South quarry Date(s) -Drilling Bearing
N 1653998.096 E 3081982.857 Drilled 11/29/2005 - 12/12/200ontractorSpectrum Drilling (Azimuth) NA
Ground Surface 7005.17 NAVD88 ear Logged J. O'Brian/K. Pease Drill Rig Boa Lon Plunge 90
Elevation(ft) by Type 9y (Degrees)
Borehole Fluid Depth(ft) NA Reviewed K. Pease Core Total 70.5
and(Date Measured) by Diameter(in) NQ/HQ Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL V; CO
oco
m DESCRIPTION
U N i O U)
O � Iq a) .0 E E . 0_' O tl5 C C J > a)
W Z N > 0_' 0_ O a) N d O O �O .�.
N CL O 3 N a) — O 0 O N N_ N_ U
0 Z 0 ILW J 0 Z J 2 0- of rL 0 0 0
40 C-5 5.0 5.0 4.5 10 NA 100 90 _
Cmeiss.Moderately hard to hard;slightly weathered;dark gray;fine
grained;foliation jointing 20°-40°,close(2"-9")spacing,partly open,
C-6 3.5 3.4 1.1 6 NA 97 31 = rough,irregular,moderately weathered,oxidation staining.
- I
Gneiss.Moderately hard to hard;slightly weathered;dark gray;
45 C-7 1.5 6 NA NA = foliation jointing approx.30°,close,partly open,rough,irregular,
_ moderately weathered,oxidation staining.
Gneiss.Hard;slightly weathered;dark gray;fine grained;foliation J
- jointing 30°-60°,partly open,rough,irregular,moderately weathered,
oxidation staining.
C-8 5.0 3.5 2.6 NA 70 52
- I
- I
50
As above except jointing 0°-20°.
- I
100%water loss at 52 ft.
C-9 5.0 4.0 1.8 8 NA 80 36
- I
I
55 =
Gneiss.Hard;slightly weathered;dark gray;fine grained;foliation
mostly perpendicular to core,tight to partly open joints,5°-20°dip to
core,joints slightly to moderately weathered,staining to sandy clay
infilling up to 1/4",mostly close spacing;one 3"pegmatite band.
C-10 5.0 5.0 1.75 7 NA 100 35
- - I
60 =
As above except single 2"pegmatite band,all joints with foliation,very 'Q'
= close,stained to slightly weathered,rough.
C-11 5.0 5.0 4.0 NA - - - NA 100 80
I
- I
65
= Gneiss.Hard;slightly weathered;dark gray;fine grained;foliation
mostly perpendicular,or within 10°of perpendicular,to core,
-' moderately close joints varying from parallel to foliation to dip 70°to
core,joints mostly slightly weathered with some moderately weathered.
C-12 5.0 5.0 3.7 5 NA 100 74 = staining and rough to some in place weathered rock and sand to 1/4';
several 1"or less quartz bands.
70
70.5
Total Depth 70.5 FT.