EX-99.5.A 2 exhibit99-5a.htm PART I OF APPENDIX D TO ROCK CREEK TECHNICAL REPORT Filed by Automated Filing Services Inc. (604) 609-0244 - NovaGold Resources Inc. - Exhibit 99.5.A

A P P E N D I X    D

V A R I O G R A P H Y


D - 1    A S S A Y    V A R I O G R A M S


Zone 99 0.4 gram downhole Ind Correlogram


Zone 99 Downhole Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.840
C1 ==> 0.160

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 0  
Range along the Z’ axis ==> 7.0 Azimuth ==> 90 Dip ==> 90
Range along the Y’axis ==> 7.0 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 7.0 Azimuth ==> 90 Dip ==> 0

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 99 Downhole Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 99 Downhole Correlograms - Assays


Zone 99 Directional Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.840
C1 ==> 0.160

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 75  
Range along the Z’ axis ==> 14.2 Azimuth ==> 270 Dip ==> 15
Range along the Y’ axis  ==> 43.8 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 7.3 Azimuth ==> 90 Dip ==> 75

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 99 Directional Correlograms - Assays

Structure Number 1


Zone 99 Directional Correlograms - Assays

Structure Number 1


Zone 99 Directional Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 99 Directional Correlograms - Assays


Zone 10 Downhole Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.450
C1 ==> 0.550

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 0  
Range along the Z’ axis ==> 6.5 Azimuth ==> 90 Dip ==> 90
Range along the Y’ axis ==> 6.5 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 6.5 Azimuth ==> 90 Dip ==> 0

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 10 Downhole Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 10 Downhole Correlograms - Assays


Zone 10 Directional Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.450
C1 ==> 0.550

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 75  
Range along the Z’ axis ==> 5.1 Azimuth ==> 270 Dip ==> 15
Range along the Y’ axis ==> 32.7 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 15.4 Azimuth ==> 90 Dip ==> 75

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 10 Directional Correlograms - Assays

Structure Number 1


Zone 10 Directional Correlograms - Assays

Structure Number 1


Zone 10 Directional Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 10 Directional Correlograms - Assays


Zone 3 Downhole Correlogram - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.640
C1 ==> 0.360

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 0  
Range along the Z’ axis ==> 15.0 Azimuth ==> 90 Dip ==> 90
Range along the Y’ axis ==> 15.0 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 15.0 Azimuth ==> 90 Dip ==> 0

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 3 Downhole Correlogram - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 3 Downhole Correlogram - Assays


Zone 3 Directional Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.640
C1 ==> 0.360

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 75  
Range along the Z’ axi s==> 37.0 Azimuth ==> 270 Dip ==> 15
Range along the Y’ axis  ==> 112.6 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis  ==> 19.8 Azimuth ==> 90 Dip ==> 75

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 3 Directional Correlograms - Assays

Structure Number 1


Zone 3 Directional Correlograms - Assays

Structure Number 1


Zone 3 Directional Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays


Zone 3 Directional Correlograms - Assays



Zone 2 Downhole Correlogram - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.730
C1 ==> 0.270

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 0  
Range along the Z’ axis ==> 14.0 Azimuth ==> 90 Dip ==> 90
Range along the Y’ axis ==> 14.0 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 14.0 Azimuth ==> 90 Dip ==> 0

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 2 Downhole Correlogram - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 2 Downhole Correlogram - Assays


Zone 2 Directional Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.730
C1 ==> 0.270

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 75  
Range along the Z’ axis ==> 13.4 Azimuth ==> 270 Dip ==> 15
Range along the Y’ axis ==> 31.0 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 24.0 Azimuth ==> 90 Dip ==> 75

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 2 Directional Correlograms - Assays

Structure Number 1


Zone 2 Directional Correlograms - Assays

Structure Number 1


Zone 2 Directional Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".



Zone 2 Directional Correlograms - Assays



Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 2 Directional Correlograms - Assays


Zone 1 Downhole Correlogram - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.730
C1 ==> 0.270

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 0  
Range along the Z’ axis ==> 12.0 Azimuth ==> 90 Dip ==> 90
Range along the Y’ axis ==> 12.0 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 12.0 Azimuth ==> 90 Dip ==> 0

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 1 Downhole Correlogram - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 1 Downhole Correlogram - Assays


Zone 1 Directional Correlograms - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.730
C1 ==> 0.270

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 75  
Range along the Z’ axis ==> 9.3 Azimuth ==> 270 Dip ==> 15
Range along the Y’ axis  ==> 22.1 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis  ==> 13.2 Azimuth ==> 90 Dip ==> 75

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 1 Directional Correlograms - Assays

Structure Number 1


Zone 1 Directional Correlograms - Assays

Structure Number 1


Zone 1 Directional Correlograms - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Directional Correlograms - Assays


Zone 1 Downhole Correlogram - Assays

Medsystem and Vulcan Rotation Conventions

Nugget ==> 0.730
C1 ==> 0.270

First Structure -- Exponential with Practical Range

LH Rotation about the Z axis ==> 0  
RH Rotation about the X’ axis ==> 0  
LH Rotation about the Y’ axis ==> 0  
Range along the Z’ axis ==> 12.0 Azimuth ==> 90 Dip ==> 90
Range along the Y’ axis ==> 12.0 Azimuth ==> 360 Dip ==> 0
Range along the X’ axis ==> 12.0 Azimuth ==> 90 Dip ==> 0

Modeling Criteria

Minimum number pairs req’d ==> 1
Sample variogram points weighted by # pairs


Zone 1 Downhole Correlogram - Assays

Structure Number 1


Horizontal Slices Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Cross Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".


Long Section Views Through the Ellipsoids

Note -- the orientation, dip and lengths of the ellipsoid axes in these figures may be "apparent" rather than "true".