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 5 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 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 N_ N_ U
0 Z 0 0 d J 0 Z J = 0 of rL 0 0 0
160
I
161.3-162.3':GRANITIC GNEISS. Dark gray;slightly weathered;
Box 33 5 5 NA 100 NA = fractured.
s 162.3-162.T:White quartz vein;soft fracture surface.
Box = 162.7-165.0':GRANITIC GNEISS. Red and dark gray veining;
intensely fractured with talcy fracture surfaces,breaks easily along17
o
Closed white fractures.
v
165 - 165.0-1767:GRANITIC GNEISS. Predominantly dark gray with
interbedded red veining and thin(<O.1')quartz veins;fresh to slightly
weathered;hard;fractured(intensely fractured at 166.5'and 168.0-
1687),occasional talcy fracture surfaces;occasionally micaceous.
34 5 5 NA 100 NA
- I
I
- I
170
Box
17 35 5 5 - - - - NA 100 NA -
Box =
18
175 = Ground rock in fractures at 174.3',176.3'and 176.6'.
1 176.7-178.0':Predominantly pink quartz pegmatite with dark gray
36 5 5 NA 100 NA micaceous lenses.
178.0-1807:GRANITIC GNEISS. Gray with red veinlets and pink
quartz lenses;fresh to slightly weathered;hard;moderately fractured,
slightly talcy fracture surfaces;dark gray to black micaceous(biotite)
180 - lenses.
180.7-182.5':Interbedded with quartz veins;increase in red veins.
Box = 181.5':Thicker,soft talc-filled fracture.
Bo 37 5 5 NA 100 NA 182.5-183.5':GRANITIC GNEISS. Intensely fractured,altered rock;
19 = soft talcy fracture surfaces;green mineralization.
183.5-184.5':GRANITIC GNEISS. Dark gray with a slight green tint;
hard.
185 = 184.5-1847:GRANITIC GNEISS. Very intensely fractured,
decomposed rock.
184.7-192.0':GRANITIC GNEISS. Dark gray with occasional red
veinlets and pink quartz veins;fresh to slightly weathered;moderately
38 5 5 NA 100 NA fractured,occasional soft talcy fracture surfaces and occasional altered
surfaces;micaceous veins present.
_ I
190 = °
_ o
Box
19
Box 39 5 5 NA 100 NA 192.0-192.4':Intensely fractured pink pegmatite vein.
zo = 192.4-193.4':GRANITIC GNEISS. Gray;intensely fractured,
occasional talc filling fractures.
193.4-195.9':GRANITIC GNEISS. Gray to reddish;hard,but
195 =', moderately to intensely fractured,slightly talcy fracture surfaces,closed
white fractures.
- I
195.9-197.3':White quartz vein;very hard;healed fractures evident.
40 5 5 NA 100 NA
_- ' 197.3-207.0':GRANITIC GNEISS. Dark gray;fresh to slightly I
weathered;hard;moderately fractured,talcy fracture surfaces and
_ closed white fractures assumed talcy;occasional micaceous lenses.
197.9':0.3'Quartz vein.
200