Geoscience Reference
In-Depth Information
Monthly Probability Intervals
P90 and P10 Simulated Values, Resource Model Grade, and Mine Plan Grade
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
Month
P10
Res. Model Grade
Mine Plan Grade
P90
Fig. 12.4
Monthly Probability Intervals for year 1: P
90
and P
10
from Simulations, Resource Model Grade, and Mine Plan Grade
Fig. 12.5
Annual Probability
Intervals for 5-year Mine Plan:
P
90
and P
10
from Simulations,
Resource Model Grade, and
Mine Plan Grade
Annual Probability Intervals
P90 and P10 Simulated Values, Resource Model Grade, and Mine Plan Grade
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
Year 1
Year 2
Year 3
Year 4
Year 5
P10
Res. Model Grade
Mine Plan Grade
P90
ent countries; while fairly similar in intent and form, each has
its own particularities. The resource classification schemes
are mostly intended to provide protection to the investor, and
so are typically enforced by Securities Commissions or other
appropriate government agency in each country.
Resource classification guidelines have been developed
mostly as a response to the need for transparency in the
