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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 PI1-2 <br /> Exploration <br /> GE1 Consultants <br /> PROJECT NO. SHEET 2 OF 9 <br /> Location South quarry Date(s) Drilling Bearing <br /> N 1653268.842 E 3083230.031 Drilled 7/11/2007 - 7/11/2007 Contractor Spectrum Exploration (Azimuth) NA <br /> Ground Surface 6941.08 NAVD88 Logged Thomas Clifford/ Drill Rig - Plunge 90 <br /> Elevation(ft) � byAdr Type (Degrees) <br /> Borehole Fluid Depth(ft) Reviewed Core Total 350.0 <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 �O .�. <br /> N O 3 a) a) — O 0 O N <br /> 0 Z 0 0 d J 0 Z -J = 0 of rL 0 0 0 <br /> 40 <br /> 6 12.0 10.3 - - - - NA 86 NA <br /> Box <br /> 45 Box <br /> 4 :: Pink pegmatite vain-very high silica minerals,very coarse well <br /> 7 2.3 1.8 NA 78 NA interlocked crystals.Core is strong,fresh with a random orientation of <br /> fracturing. <br /> Very strongly stratified dark thin(lmm)bands of weak accessory <br /> minerals within higher silica and accessory mineral silica thicker bands <br /> ?. (5mm).The lithology contains occasional thick(1")fine coarse <br /> 50 = crystalline bands.Core is strong locally very strong fresh with v <br /> occasional localized slightly weathered(Iron staining on slightly rough <br /> fracture surfaces). o <br /> 8 8.3 7.0 NA 84 NA <br /> _ I <br /> - I <br /> 55 Box <br /> 4 <br /> Box Mature Psammite and meta-pelite(more homogenous and stratified). <br /> 5 Equally stratified pink and dark gray to brown bands,the stratifications <br /> group and produce a cyclic overview of striped pink and dark gray <br /> bands(2 to 3 In).Pink layers are predominantly medium to coarse <br /> quartz while the darker layers are fine accessory minerals within a dark <br /> matrix's.Core is strong often very strong breaking preferentially along <br /> 60 the concentrated dark fine mineral layers(dark mica(biotite)rich <br /> 9 9.0 9.0 NA 100 NA laminations).Core is fresh with very localized superficial Iron staining N <br /> on fracture walls.The core remains fractured with the predominate set <br /> orientation being 45 degrees,intersected by less frequent vertical and <br /> sub vertical jointing. <br /> I <br /> Note-Slightly stronger(better quality)than material above <br /> Box <br /> 65 5 <br /> Box Coarsening of crystals(coarse-5 to 10mm),two predominate sets of sub <br /> 6 vertical and sub horizontal joints with superficial earthy yellow <br /> immature Iron staining.Core is strong locally very strong,Fresh with <br /> slightly weathered fractures.From 70'-72'increase in fracture density. <br /> i <br /> 10 9.0 8.8 - - - NA 98 NA <br /> 70 <br /> Reduction in white micas in matrix's noticed. <br /> i <br /> i <br /> Box Fining of crystals(fine medium 1 to 2mm),occasional local zones of <br /> 75 6 coarse crystals.Core is Strong locally very strong,fresh with slightly <br /> Box 11 3.0 3.0 NA 100 NA weathered(Iron)sub vertical and sub horizontal smooth fractures. <br /> Densely stratified dark brown to black accessory mineral laminations <br /> (dark micas)interlaminated with pink high silica minerals(quartz).The <br /> 12 4.0 4.0 NA 100 NA Y core is strong locally moderately strong,fresh with sub horizontal <br /> i 80 fracturing. <br /> i <br />
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