PERMFILE53673

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/1/1996
• Section_Exhibit Name: Exhibit 06 Geology Technical Report
• Media Type: D
• Archive: No

IIIIIIIIIIIIIIIIIII Doc~~:~11/2001
TABLE OF CONTENTS

LORENCITO CANYON MINE GEOLOGY TECHNICAL REPORT
SECTION 1-INTRODUCTION ............ ......................1
SECTION2-METHODOLOGY ............ ......................1
Determination of Stratigraphy and Structure ...................... 1
Physical/Geochemical Properties of Stratum ...................... 2
SECTION 3 -RESULTS AND DISCUSSION .... ...................... 2
Determination of Stratigraphy ......... ...................... 2
Alluvium/Colluvium ........... ...................... 8
Overburden ................. ...................... 8
Ciruela Coal ................ ...................... 8
Interburden ................. ...................... 9
Primero Coal ................ ...................... 9
Underburden ................ ...................... 9
Structure ....................... ............. .......9
Physical/Geochemical Properties of Stratum ..................... 10
Surface Mine ................ ..................... 10
Overburden/Interburden .... ..................... 10
Coals ................ ..................... 15
Underground Mine ............ ..................... 15
Ciruela Coal Roof ........ ..................... 24
• CiruelaCoal ........... .....................24
Ciruela Coal Floor ....... ..................... 27
Primero Coal Roof ....... ..................... 27
Primero Coal .......... ..................... 29
Pr'unero Coal Floor ...... ..................... 29
SECTION 4 -REFERENCES CITED ......... ..................... 29
Figures/Maps
Figure 2.04.6-1 Regional Geology ................. .................. 6
Figure G-1 Representative Columnar Section ....... .................. 7
Map 2.04.6-1 Drill Hole Locations ............... ....... Permit Document
Map 2.04.6-2 Geology Map .................... ....... Permit Document
Map G-L Overburden Thickness .............. ....... Permit Document
Map G-2 Ciruela Seam Structure Isopleth ........ ....... Permit Document
Map G-3 Primero Seam Structure Isopleth ....... ....... Permit Document
C
Geology-S751December I<, 1996
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