NI 43-101 Technical report, Surface diamond drilling ... - Iamgold

R a r e E a r t h E l e m e n t E x p l o r a t i o n P r o g r a m M a r c h - 2 0 1 3
W i n t e r - S u m m e r 2 0 1 2
P a g e | VII
LIST OF TABLES
Table 1: Mining titles status. (Property Claims = CDC and CL; Mining leases = BM) .......... 7
Table 2: Previous exploration drilling, Niobec property. ........................................................ 13
Table 3: List of the REE advance projects (updated from Technology Metals Research). .... 27
Table 4: Paragenetic sequence for the REE Zone minerals (Fournier, 1993). ........................ 31
Table 5: Historical diamond drilling on the REEs zone. ......................................................... 38
Table 6: Drill holes summaries, 2011 niobium exploration program. .................................... 39
Table 7: Drill hole results summary, 2012 REEexploration campaign. .................................. 61
Table 8: Blank and standard samples values (ppm). ............................................................... 70
Table 9: Internal quality control for sample preparation by SGS Ontario. ............................. 72
Table 10: Elements analyzed by ICM 90A. ............................................................................ 73
Table 11: QA / QC summary, REE exploration program. ...................................................... 76
Table 12: Summary of Blanks results, REE project 2012. ...................................................... 78
Table 13: Summary of the OREAS 101a QA / QC results, REE project 2012. ..................... 82
Table 14: Summary of the OREAS 146 QA / QC results, REE exploration project. ............. 86
Table 15: Summary of the GRE-02 QA / QC results. ............................................................. 91
Table 16: REE mineral resources by grade groups. ................................................................ 96
Table 17: REE mineral resources by depth. ............................................................................ 97
Table 18: Statistics summary of the original assay intervals used in the 2012 resource
estimation. ............................................................................................................... 98
Table 19: Composites statistics summary used in 2012 resource estimation. ........................ 99
Table 20: Variography statistics ............................................................................................ 100
Table 21: REE zone block model parametres (Exploration metres). .................................... 102
Table 22: Block model coding. ............................................................................................. 103
Table 23: Block model attributes. ......................................................................................... 103
Table 24: Interpolation rules ................................................................................................. 105
Table 25: 2012 REE resources and reserves estimation. ...................................................... 111
List of Figures
Figure 1: Niobec property location 5
Figure 2: Mining titles and accessibility 6
Figure 3: St-Honoré carbonatite complex and regional geology 15
Figure 4: The Lapetan rift system 16
Figure 5: Geological compilation map of the St-Honoré Carbonatite Complex 19
Figure 6: Geological schematic block diagram of the St-Honoré Carbonatite Complex 20
Figure 7: Schematic section and plan view of a carbonatite complex 29
Figure 8: High grade mineralized envelope 32
Figure 9: Mineralized massive carbonatite 33
Figure 10: Variation of the mineralized clusters composition with depth 34
Figure 11: Mineralized cluster composition 34
Figure 12: Mineralized carbonatite breccia facies 35
Figure 13: High resolution magnetic survey 37
Figure 14: Historical drill hole location, REEs exploration program 40
3400, chemin du Columbium, St-Honoré-de-Chicoutimi, QC G0V 1L0 Canada – tel. : 418 673-4694 Fax : 418 673-3179
E-mail : info.niobec@iamgold.com www.niobec.com