2023-10-31_REVISION - M1973021 ‎(21)‎

• 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 5 of 7
• Doc Name: Request for Technical Revision
• From: Holcim - WCR, Inc.
• To: DRMS
• Type & Sequence: TR9
• Media Type: D
• Archive: No

"TWINING
CONCRETE INSIGHT
Morrison Quarry Rock Petrography Page 18
4
(a) �•�' �-,L',3�a. -.y,e� �''n ' .ram'=--�-t.v `!
a •
y !,
(b)
Figure 4.2e. Sample HDR-002 (112.0-112.4). Transmitted light photomicrograph of thin section showing detail
of rock in (a) plane-polarized and (b) cross-polarized light. Red arrows indicate interlocking coarse quartz
mineral grains.Purple arrow indicates talc vein.Blue arrow indicates muscovite.
Report No. 227893.d 22 November 2022