Mineralogy and Geochemistry of Cerro Matoso S.A. Ni Laterite Deposit Quiz

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What makes it possible to make quantitative measurements of mineral abundances using the PSD-XRD technique?

Fluorescence of iron oxide phases (correct)

Water immersion of samples

Bulk density measurements

Pulverizing the material

Which technique is recommended for determining the density of constituent mineral grains in the given text?

Bulk density measurements in pit 1 and pit 2

Grinding the samples as recommended by Brimhall and Dietrich (1987) (correct)

PSD-XRD technique

Water immersion technique

How were bulk density measurements conducted in situ in the mines?

By using the PSD-XRD technique

By weighing excavated samples before and after drying in air (correct)

By filling excavated cavities with polythene

By monitoring water immersion of samples

What is necessary to calculate bulk density using the procedure described in the text?

Weighing the samples before and after drying Signup and view all the answers

Why is conventional XRD not suitable for making quantitative measurements of mineral abundances in iron-rich samples?

It does not use the fluorescence of iron oxide phases Signup and view all the answers

What was done after each rock type's bulk sample was excavated from the mine bench?

Polythene lining and water filling Signup and view all the answers

Which reference is suggested for further details on the PSD-XRD technique?

Batchelder and Cressey (1998) Signup and view all the answers

What was done after weighing the bulk samples before and after drying in air?

'Calculated bulk density' Signup and view all the answers

What is required to determine the density of constituent mineral grains?

'Grinding the samples' Signup and view all the answers

What was lined with polythene after each excavation according to the text?

The cavity created by each excavation. Signup and view all the answers

Mineralogy and Geochemistry of Cerro Matoso S.A. Ni Laterite Deposit Quiz

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Questions and Answers

What makes it possible to make quantitative measurements of mineral abundances using the PSD-XRD technique?

Which technique is recommended for determining the density of constituent mineral grains in the given text?

How were bulk density measurements conducted in situ in the mines?

What is necessary to calculate bulk density using the procedure described in the text?

Why is conventional XRD not suitable for making quantitative measurements of mineral abundances in iron-rich samples?

What was done after each rock type's bulk sample was excavated from the mine bench?

Which reference is suggested for further details on the PSD-XRD technique?

What was done after weighing the bulk samples before and after drying in air?

What is required to determine the density of constituent mineral grains?

What was lined with polythene after each excavation according to the text?

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