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-1
Exploration
GE1 Consultants
PROJECT NO. SHEET 2 OF 3
Location South quarry Date(s) Drilling Bearing
N 1653378.967 E 3082662.599 Drilled 5/7/2005 - 5/7/2005 Contractor Spectrum Drilling (Azimuth) NA
Ground Surface 7004.14 NAVD88 Logged J. O'Brian Drill Rig CME 55 Plunge
Elevation(ft) � by Type (Degrees) 90
Borehole Fluid Depth(ft) NA Reviewed K. Pease Core HQ Total 40.5
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_' a) tl5 C C J > a)N
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_' 0 d J 0 Z J = 0- of rL 0 0 0
20
_-" As above,3 blows to break,crumbles on edges-biotite.
_ I
= I
C-8 2.0 2.0 5 - - - NA 100 NA =
- I
As above,1 min sandy coating at 23',4"pegmatite vein at 24.7,2 firm
blows to break.
= I
- I
C-9 3.0 3.0 .875 5 NA 100 29
- I
Pull casing,change bit at 25'from#6 to#8.
= I
- I
25 = Granitic Gneiss. Hard to very hard;slightly weathered;
medium-grained;iron staining on joint surfaces;pegmatite vein,
coarse-grained,from 25' '-26.6,very hard.
_ o
N_ M
_ Q
J
_ I
_ I
C-10 5.0 5.0 3.3 15 NA 100 66 =
- I
= I
- I
30 =
As above except 1"fractures from 30'-30.6'.
= I
- I
C-11 5.0 5.0 3.2 NA 100 64 =
= I
- I
= I
35
Granitic Gneiss. Hard to very hard;slightly weathered;fractures spaced
1"-10';iron staining on joint surfaces;occasional pegmatite veins,1/2
to 2",very hard;tight joints.
_ o
_ N
Q
J
C-12 3.8 3.8 2.7 11 NA 100 71
= I
- I
Jammed at 38'10".
C-13 0.5 0.5 0 NA 100 0
As C-14 0.7 above.
40 0.7 0.7 NA 100 100
= I
-