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 LH4
Exploration
GE1 Consultants
PROJECT NO. SHEET 2 OF 3
Location South quarry Date(s) Drilling Bearing
N 1653836.59 E 3082873.551 Drilled 9/9/2005 - 9/9/2005 Contractor Spectrum Drilling (Azimuth) NA
Ground Surface 6847.57 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 40.3
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
0 Z 0 0 d J 0 Z -J = 0 of lL 0 0 0
20
_-" weathered;oxidation staining;close to very close spacing,oxidation
staining on joints,low angle fracturing.
Gneiss.Dark gray;slightly weathered;slight oxidation staining to 22.4
ft.then highly fractured. a
- I
R-6 1.7 1.7 0.9 7 NA 100 53
White Quartz 22.8-23.2 ft.;close fracturing,rough joints,slight
oxidation staining.
Hard Rose Quartz to 24.7 ft.;slightly to moderately weathered;close
fracturing,oxidation stained joints,rough,-30°-40°angle joints.
I
I
25 R-7 3.3 3.0 1.3 4 NA 91 39 =" 24.7-26.5 ft:Gneiss.Medium;dark gray;moderately weathered;close
spacing,-15°-20°joints,oxidation staining on joints.
I
= I
- I
26.5-31.5 ft:As above except mottled pink and gray;sand infilling at
-27.5 to 27.9 ft.;30°-45°joints,rough,oxidation staining.
= I
= I
- I
_ I
= I
R-8 5.0 3.25 1.6 8 NA 65 32 =
- I
30
= o
v
= v
a
- J
I
Clay seam 31.5-32 ft.
32-33.7 ft:Gneiss.Dark gray;hard;slightly to moderately weathered;
vertical and horizontal joints,close spacing,rough,oxidation staining of
= joints.
32-35.9 ft:Feldspathic Granite.Hard;mottled pink and gray;vertical
- and-15°-20°joints;slightly weathered;oxidation staining of joints,
R-9 4.4 4.4 1.5 NA 100 34 = rough,close to very close,extremely fractured last 4".
- I
35
= I
= I
As above to 39.7 ft except horizontal fracture at 38.5 ft.
_- I
_ I
= I
= I
- I
R-10 4.4 4.4 1.5 13 NA 100 34
_ I
= I
39.7 ft:Gneiss.Dark gray;oxidation staining;very close fractures;hard;
i• rough joints;extremely fractured.
40