2010-07-15_REVISION - M1983194

• Permit No: M1983194
• IBM Index Class Name: Revision
• Doc Date: 7/15/2010
• Doc Name: Volume 2, section 4 ‎(non-confidential)‎
• From: Natural Soda
• To: DRMS
• Type & Sequence: TR30
• Email Name: THM
• Media Type: D
• Archive: No

LIST OF FIGURES
Figure 4-1. Location of Natural Soda, Inc. Sodium Leases ....................................4-2
Figure 4-2. General Stratigraphic, Lithologic, and Hydrostratigraphic column
of the Uinta and Upper Green River Formations, NSI Lease
Area ................................................................................................. .. 4-3
Figure 4-3. General Location Map of the Piceance Creek Basin, Colorado ......... 4-10
Figure 4-4. North-south stratigraphic cross-section of the Piceance Creek
Basin (after Johnson, 1979b) . ......................................................... 4-16
Figure 4-5. Stratigraphic nomenclature commonly used in the Piceance
Creek Basin (data source: Donnel, 1961, 1969; Dyni, 1974a,
1979b, 1979c; Cole and Picard, 1978) ............................................ 4-17
Figure 4-6. Cross-Section of Piceance Creek Basin showing depositional
lithofacies and stratigraphy of Green River Formation (after
Roehler, 1974) ................................................................................. 4-19
Figure 4-7. Map of Northern Piceance Creek Basin showing areal extent of
saline minerals in Green River Formation (after Beard and
others, 1974) ................................................................................... 4-21
Figure 4-8. Stratigraphy of mappable saline-mineral horizons in the Saline
Zone of the Parachute Creek Member, based on Shell Oil
Company core hole 22X-1 (after Dyni, 1974a) . ............................... 4-23
Figure 4-9. General structure map of Piceance Creek Basin area ....................... 4-27
Figure 4-10. Distribution of photo-lineations in the Lease area. (Multi Mineral
Corporation -1982) ......................................................................... 4-29
Figure 4-11. Lease Area and Well Location Map ................................................. 4-31
Figure 4-12. Geologic Map of the NSI Lease Area .............................................. 4-34
Figure 4-13. General stratigraphic column of Lease area (data from Johnson,
1979a, 1979b) ................................................................................. 4-37
Figure 4-14. Common stratigraphic types in oil shale, nahcolitic oil shale and
marlstone (after Cole and Picard, 1975, Dyni, 1974a) ..................... 4-43
Figure 4-15. Classification of nahcolite types in the Saline Zone of the
Parachute Creek Member (partly after Dyni, 1974a, 1981, and
Cole and others, 1982) .................................................................... 4-46
Figure 4-16. Isopach Map of the Saline Zone in the NSI Lease Area . ................. 4-58
Figure 4-17. Location map for stratigraphic cross-sections of Lease area ........... 4-74
Figure 4-18. Stratigraphic cross-section A-A' of Saline Zone (data from Dyni,
1974a and IRI files) ......................................................................... 4-75
Figure 4-19. Stratigraphic cross-section B-B' of Saline Zone (data from Dyni,
1974a and IRI files) ......................................................................... 4-76
Figure 4-20. Stratigraphic cross-section C-C' of Saline Zone (data from Dyni,
1974a; Cole and others, 1982; and IRI files) . .................................. 4-77
Figure 4-21. Structure contour map of the Top of the Love Bed in the Lease
area ................................................................................................. 4-81
Figure 4-22. North-south structural cross-section of the lease area (data from
Dyni, 1974a and IRI files) ................................................................ 4-83
Daub & Associates, Inc. Page II NSI Mine Plan 2010 Rev.
Printed: 7/5/2010 Section 4 Geology