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Ref Geo

The document discusses nonparametric geostatistics, including various kriging methods, and emphasizes the importance of ideal models for students. It includes exercises for practical application and highlights concerns about the use of artificial data in mineral inventory estimation. Additionally, it provides a table of conversion factors for unit systems and mentions available software and data sets related to the text.

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Erland Prasetya
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20 views1 page

Ref Geo

The document discusses nonparametric geostatistics, including various kriging methods, and emphasizes the importance of ideal models for students. It includes exercises for practical application and highlights concerns about the use of artificial data in mineral inventory estimation. Additionally, it provides a table of conversion factors for unit systems and mentions available software and data sets related to the text.

Uploaded by

Erland Prasetya
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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PREFACE xv

nonparametric geostatistics, universal kriging, pro- standardized! In the various examples that we quote,
bability kriging, and cokriging, among others. we have used the units of the original authors. An
From a student’s perspective we have aimed for ability to move between British and metric systems
several additional goals. First, we use the concept of is essential in the global environment in which estima-
ideal models throughout the text, standards against tions are conducted. A table of conversion factors is
which reality can be compared or measured. In our included in an appendix to aid students in their ability
experience this has been a productive way to get ideas to “converse” between systems of units.
across to the inexperienced. Secondly, at the end of One of the more serious misgivings we have about
each chapter we provide a selection of exercises that much of the published literature on mineral inventory
are meant to serve both as assignments and as a basis estimation relates to the all-too-common practice of
for developing new questions/assignments related to using artificial data or camouflaging real data, either
a particular data set that an instructor is using in a by not naming the mineral deposit represented or by
formal course. Also, we provide a few selected ref- purposely omitting scales on diagrams and by multi-
erences at the close of each chapter as an aid to both plying data by an unknown factor to hide true values,
instructor and student in researching some of the main among other actions. Such procedures cloud the va-
themes of the chapter. The text assumes that appro- lidity or interpretation of what is being presented, if
priate software is available to the student. However, for no other reason than it is impossible to appreci-
several programs and data sets that relate to the text ate the impact of geology on the interpretation of the
are available through the publisher’s website. numeric data. We have avoided altering data in any
The reader will quickly find that the use of units way in this text unless a specific transformation is an
is not standardized in this text. The real world is not inherent part of an estimation procedure.

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