2023-10-31_REVISION - M1973021 ‎(19)‎

• 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 2 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 2008 PI3-1
Exploration Phase 3
GE1 Consultants
PROJECT NO. 072850 SHEET 6 OF 16
Location South quarry Date(s) Drilling Bearing
N 1653020.373 E 3082806.225 Drilled 7/14/2008 - 7/30/2008 Contractor Precision Sampling (Azimuth) —45
Ground Surface 6902.35 NAVD88 Logged K.Ainslie Drill Rig Boart Lon ear DB Plunge 70
Elevation(ft) by Type 9y (Degrees)
An
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core HQ Total 600.5
and(Date Measured) by g Diameter(in) Depth(ft)
CORING (SEE LEGEND)
n n° rn
= MATERIAL 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 O01 O N
0 Z 0 0 W J 0 Z J 2 0- of rL 0 0 0
200 40 5 5 NA 100 NA 199.5-202.8':BIOTITE GNEISS. As 192.1',except fractures to 500,
clean.
/ 200.2-200.4':Pink,coarse grained pegmatite.
/ II
41 5 5 NA 100 NA 202.8-205.0':PEGMATITE. Pink;coarse grained;abundant biotite.
II
Box
205 20
Box 205.0-206.5':BIOTITE GNEISS. Dark gray to black;slightly
21 weathered;hard;moderately fractured;abundant biotite.
0 0
206.5-207.0':PEGMATITE. Pink;coarse grained. " N
/ 207.0-235.5':BIOTITE GNEISS. Dark gray to reddish;slightly N
42 5 5 NA 100 NA weathered;hard;moderately to intensely fractured,30-700,moderately a
/ to widely spaced sets(locally closely spaced at very intensely fractured I I
/ areas),occasional talcy surfaces,many healed white fractures,
210 occasional calcite.
/ II
II
/ II
43 5 5 NA 100 NA /
Box
21 /
215 e
z2
/
44 5 4.9 - - - - NA 98 NA
/
220 219.3-219.8':Coarser grained,heavy quartz and biotite.
/
/
Box 45 5 5 NA 100 NA /
22 223.1-223.2':Pink pegmatite vein.
Box /
225 23 /
Y
Y
46 5 5 - - - NA 100 NARk/
228.8-229.5':Very intensely fractured.
230 / 229.8-229.9':Pink pegmatite vein.
230.0-2337:Intensely to very intensely fractured.
/
Box 47 5 5 NA 100 NA
23
Box / 233.7-235.5':Predominantly pink,partially pegmatite.
za /
235
/ 235.5-250.5':BIOTITE GNEISS. Dark gray,occasional thin pink o
lenses;fine grained;slightly weathered;hard to very hard;moderately N
to intensely fractured,nearly horizontal(closely spaced)to 250 n u
48 5 5 NA 100 NA / (moderately spaced),occasional talcy surfaces,most near horizontal a
/ fractures at heavy biotite areas where rock is weaker.
II
240