Variogram

parameters

P2O5 %

Thickness

Cross Variogram

West

East

West

East

West

East

Lower

Upper

Lower

Upper

Lower

Upper

Type

Gauss.

Sph.

Sph.

Sph.

Sph.

Sph.

Expon.

Gauss.

Gauss.

Direction

Global

Global

Global

Global

Global

Global

Global

Global

Global

Range, m

705

310

338

814

222

225

596

237

530

Nugget effect (C0)

0.52

0.0

0.0

0.0

0.0

0.02

0.0

0.0

-0.03

Sill (C)

3.77

5.9

5.5

0.08

0.13

0.03

0.03

0.09

-0.16

Screen Effect Ratio C0/C

0.14

0.0

0.0

0.0

0.0

0.67

0.0

0.0

0.19