2
structure was selected and coded for subsequent modeling,
prioritizing economic efficiency in the choice of the area.
The initial process of coding, data loading and solid
modeling was carried out exhaustively, using MinePlan
software.
Composites:
Statistical tables and graphs corresponding to the composi-
tions of Au, Ag elements and vein thickness were prepared.
Data collection for the Au and Ag variables was carried out
on composites with a fixed length of 2 meters, while the sta-
tistics related to vein thickness were based on the measured
data of the actual vein thickness of the structure.
Cubing
Cubing is a process intended to determine the volume of
a mineral in a specific area or mineral deposit. This analy-
sis provides us with accurate estimates of the size and eco-
nomic value of the mineral deposit. (Bai et al., 2023)
The blocks used for the project are 4 meters wide,
4 meters long and 2 meters high, (Figure 3).
It should be noted that the compound was made
every two meters (Figure 2) for this reason of the height of
the block.
Specific Weight
Samples of the 33 mineralized structures (veins) were taken
to a certified laboratory to obtain specific weight and other
important data for the analysis.
In Table 1 provides the names of the 33 mineralized
structures along with their respective codes, except for those
that are not part of the study (03) and includes the corre-
sponding specific weight for each mineralized structure.
From the specific weight analysis results delivered, the
data per vein was extracted to be averaged and used in the
estimation. For veins with less than 10 data, the average
specific weight of the deposit was taken, with the exception
of the group of Española veins, where the average between
them was used.
Variogram
The first step before using geostatistics to interpolate data is
to calculate the experimental variogram (semi-variogram).
(Boumpoulis et al., 2023)
0-2
L2
2-4
L4
4-6
L6
L7
L8 6-8
L9
L1
L3
L5
Drillhole Composite
Figure 2. Length of composite used in the project
Figure 1. Front view of the modeling of the most profitable
structures
2m
4m
4m
Figure 3. Graphical display of the block
Tot
a l Le
n gth
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