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2023-10-31_REVISION - M1973021 (24)
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2023-10-31_REVISION - M1973021 (24)
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Last modified
11/1/2023 10:10:06 AM
Creation date
11/1/2023 9:29:22 AM
Metadata
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Template:
DRMS Permit Index
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
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0 , PROJECT: Morrison South Quarry LOG OF BORING 2007 PI1-1 <br /> Exploration <br /> GE1 Consultants <br /> PROJECT NO. SHEET 3 OF 13 <br /> Location South quarry Date(s) Drilling Bearing <br /> N 1653333.973 E 3082634.092 Drilled 7/12/2007 - 7/12/2007 Contractor Spectrum Exploration (Azimuth) NA <br /> Ground Surface 7027.31 NAVD88 Logged Thomas Clifford/ Drill Rig - Plunge 90 <br /> Elevation(ft) � byAdr Type (Degrees) <br /> an Charters <br /> Borehole Fluid Depth(ft) Reviewed Core Total 500.0 <br /> and(Date Measured) NA by - Diameter(in) NQ Depth(ft) <br /> CORING (SEE LEGEND) <br /> n n° rn <br /> = MATERIAL CO <br /> oco <br /> m DESCRIPTION <br /> U N i O U) <br /> O � Iq a) N E E . 0_' O tl5 C C J > a) <br /> LLl Z N 0_' 0_ O a) N d O O �OCL .�. <br /> N O 3 N a) — O O01 O N N_ N_ U <br /> 0 Z 0_' 0 W J 0 Z J = 0 of l L 0 0 0 <br /> 80 9 <br /> _ " As above,formation is intersected with multiple thin pegmatite veins. <br /> Core is fresh,slightly weathered on 45 degree smooth fractures <br /> (superficial iron staining). Core is very strong to strong. <br /> 13 9.5 9.0 - - - NA 95 NA <br /> 85 <br /> Box - <br /> 9 - <br /> Box As above,formation is intersected with multiple thin pegmatite veins. <br /> 90 10 Core is fresh,slightly weathered on sub horizontal smooth fractures <br /> (superficial iron staining).95-97'defined vertical sets of fractures, <br /> smooth with some clay fill. Core is strong locally very strong. <br /> 14 8.0 8.8 NA 110 NA - <br /> 95 <br /> Box = <br /> 10 <br /> Box As above,formation has generally become darker due to the dark gray/ <br /> 11 - black accessory mineral thin bands becoming predominant throughout. <br /> The formation is intersected with thin pegmatite veins and a defined set <br /> of sub vertical smooth clay filled fractures.These are intersected with <br /> 100 sub smooth sub horizontal fractures.With increased accessory mineral <br /> 15 7.0 5.8 NA 83 NA there is an increase in dark mica(biotite).Core is strong,fresh and <br /> breaks upon fracture planes. <br /> 16 1.3 1.3 NA 100 NA Pegmatite vain-Mottled pink with occasional colorless white very <br /> 105 :, coarse crystals,predominantly quartz and feldspars.Vain is strong to <br /> very strong but fail on 45 degree superficially stained(iron)micro <br /> Box 17 2.3 2.0 NA 87 NA slightly rough fractures.Vain also contains porphyroblasts of a medium <br /> 11 :, grained metallic mineral and occasional fine grained biotite crystals. <br /> Box Fracture zone,core looks comparable with 97-104'.Defined sets of sub <br /> 12 •• vertical and sub horizontal,slightly rough to smooth fractures. <br /> Pegmatite vain-Mottled pink with occasional colorless white very <br /> 18 2.6 2.6 NA 100 NA coarse crystals,predominantly quartz and feldspars.Vain is strong to <br /> very strong but fail on 45 degree superficially stained(iron)micro slight <br /> 110 rough fractures. <br /> Mottled(110.10-11Y)grading into stratified pink and dark brown to <br /> black medium grained high silica(quartz)and accessory minerals,dark <br /> mica is common throughout formation.Formation varies from zones of <br /> 19 5.4 5.9 NA 109 NA un-stratified to stratified bands. Core is predominantly cut by smooth <br /> clay filled 45 degree fractures and some slight rough sub horizontal <br /> " fractures.Core is fresh with very localized earthy yellow iron staining <br /> on some fracture walls.Core is strong with one isolated 4'moderately <br /> 115 BOX strong section,core is highly weathered along a sub horizontal fracture <br /> 12 plane. <br /> Box Core has been tested <br /> 13 <br /> 1'down sample-mixed pink and light gray low grade gneiss/ e <br /> 20 9.5 NA NA ,, migmatite.Sample varies from homogenous to moderately thinly o <br /> gneiss-o-banding with accessory mineral prominent on stratified bands. <br /> Sample on observation appears to be strong to very strong,some of the <br /> 120 faces of the aggregate show light buff yellow mineral(iron)weathering, <br />
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