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Mineral Analysis Techniques

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Questions and Answers

Which of the following techniques is used to analyze the chemical composition of minerals?

XRD

SEM

EMP (correct)

Optical microscopy

Which analytical technique is used to determine the modal composition of minerals?

Optical microscopy and XRD

ML6 and QEM-scan (correct)

IR and Lasser diffraction

SEM and TEM

What is the primary application of Scanning Electron Microscopy (SEM) in mineralogy?

To determine the crystal structure of minerals

To study the surface morphology of minerals (correct)

To analyze the chemical composition of minerals

To identify the modal composition of minerals

Which of the following techniques is used to identify minerals based on their crystal structure?

XRD (D) Signup and view all the answers

What is the purpose of image analysis in mineralogy?

To quantify the particle size distribution (B) Signup and view all the answers

What is the minimum spatial resolution achievable in Scanning Electron Microscopy (SEM)?

1 nanometer (D) Signup and view all the answers

Which technique is used to determine the mineral composition of a sample?

Energy-Dispersive X-ray Spectroscopy (EDX) (A) Signup and view all the answers

What is the purpose of Backscattered Electron (BSE) mapping in Scanning Electron Microscopy (SEM)?

To create a mineralogical zoning map of the sample (C) Signup and view all the answers

What is the minimum detection limit of X-ray Powder Diffraction (XPD)?

0.5% (B) Signup and view all the answers

What is the wavelength range of X-rays used in Scanning Electron Microscopy (SEM)?

0.1-0.002 nm (A) Signup and view all the answers

What is the advantage of using Transmission Electron Microscopy (TEM) over Scanning Electron Microscopy (SEM)?

TEM has a higher spatial resolution than SEM (A) Signup and view all the answers

What is the primary purpose of X-ray Powder Diffraction (XPD) in mineral analysis?

To identify the mineral composition of a sample (A) Signup and view all the answers

What is the main limitation of Scanning Electron Microscopy (SEM) in mineral analysis?

It has limited resolution for small particles (A) Signup and view all the answers

What is the principle behind Bragg's Law in X-ray diffraction?

The diffraction pattern is dependent on the crystal structure of the mineral (C) Signup and view all the answers

What is the main advantage of using XPD for mineral identification?

It is more accurate than other identification methods (B) Signup and view all the answers

What is the purpose of thin section analysis in mineral analysis?

To analyze the internal structure of minerals (C) Signup and view all the answers

What is the main application of SEM-EDS in mineral analysis?

To analyze the chemical composition of minerals (D) Signup and view all the answers