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 2007 PH2-2
Exploration Phase 2
GE1 Consultants
PROJECT NO. 072850 SHEET 6 OF 13
Location South quarry Date(s) Drilling Bearing
N 1653741.068 E 3082997.354 Drilled 10/29/2007 - 11/9/2007 Contractor Spectrum Exploration (Azimuth) 315
Ground Surface 6771.19 NAVD88 ear Logged K.Ainslie Drill Rig Boart Lon DB Plunge 70
Elevation(ft) by Type 9y (Degrees)
Borehole Fluid Depth(ft) NA Reviewed K.Ainslie/J.Wri ht Core NQ Total 500.0
and(Date Measured) by 9 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 �OCL .�.
N O 3 a) a) — O O01 O N
0 Z 0 0 d J 0 Z J = 0 of lL 0 0 0
200
Box _- 199.3-200.0':Intensely fractured.
Box
21 41 5 5 - - - NA 100 NA
- I
_ I
205 -
= I
- I
- I
42 5 5 NA 100 NA 207.0-2127:BIOTITE GNEISS. Gray;fresh to slightly weathered;
hard,but closed white fractures make for weaker rock;moderately
fractured,occasional soft talcy filling,reddish and dark gray altered,
stained fracture surfaces. o
210 BOX N
21
Q
BOX J
22 /
43 5 5 - - - NA 100 NA 1 i
i 212.7-216.0':Reddish;slightly to moderately weathered;hard;altered
fracture surfaces.
213.1':Quartz vein.
215 213.6-214.0':Quartz vein.
I
216.0-217.0':BIOTITE GNEISS. Dark gray;rock is hard but brittle
due to fracturing;intensely fractured,closed white and yellowish-red
44 5 5 NA 100 NA stained fracture surfaces.
:• 217.0-218.6':Pink pegmatite vein;coarse grained.
Box
218.6-221.5':BIOTITE GNEISS. As 216.0-217.0;occasional pink
22 quartz veins.
220 Box
23 y
Broken fracture at 221.5'.
45 5 5 NA 100 NA 221.5-222.5':Dark pink vein with dark gray inclusions.
222.5-224.5':BIOTITE GNEISS. As 218.6-221.5';talcy fracture
surfaces.
i
225 224.5-225.0':Fractured quartz vein.
225.0-226.0':Dark gray micaceous veins.
226.0-237.5':Predominantly white quartz;red veinlets;fractured with
talcy fracture surfaces and closed white fractures assumed talcy;brittle.
46 5 5 NA 100 NA 226.0-230.0':Micaceous veins;coarse grains.
Box
23
Box
230
24 230.0-237.5':Purple material on fracture surfaces.
47 5 5 NA 100 NA
235
48 5 5 NA 100 NA 237.0-237.5':Intensely fractured.
Box 237.5-240.0':BIOTITE GNEISS. Dark gray with red veining;
24 fractured with altered(reddish)fracture surfaces;many closed white
Box fractures make rock brittle;talcy.
240 95