2020-06-04_PERMIT FILE - C1981008 ‎(39)‎

• Permit No: C1981008
• IBM Index Class Name: Permit File
• Doc Date: 6/4/2020
• Doc Name: Geology Description
• Section_Exhibit Name: Section 2.04.6 Geology Description
• Media Type: D
• Archive: No

Table 2.04.6-9
• Additional Chemical Parameters Required By CDMG For
Phase 1 Drill Hole 870e,
New Horizon 2 Study Area, Montrose County, Colorado
LITHOLOGIC UNITS'
PARAMETER
(UNITS)
1
2
3
4
5 MEAN2
Copper, ppm 0.5 0.4 0.3 1.1 0.8 0.5
Lead, ppm 0.5 1.2 1.6 2.0 1.4 0.7
Arsenic, ppm <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Zinc, ppm 0.5 1.2 0.8 0.8 1.3 0.6
Nickel, ppm 0.3 0.4 0.1 1.2 0.2 0.3
Cadmium, ppm <0.02 <0.01 <0.01 <0.01 <0.02 <0.02
Mercury, ppm 0.03 <0.02 0.01 0.04 0.01 <0.03
' Lithologic units are identified in Attachment 2.04.6-1 (previously Peabody Appendix 6-1)
and discussed earlier in the Overburden, Interburden, and Underburden Characteristics
section.
• 2 Weighted mean value only includes Lithologic Units 1, 2, 3, and 4 which will all be disturbed
by mining. Mean thickness of Lithologic Units 1, 2, 3, 4, and 6 is 55.9, 6.5, 7.1, 2.7, and 9.7
feet, respectively.
i•
REVISED August 2006 2.04.6-41