Page 94 - Introduction to Mineral Exploration
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5: FROM PROSPECT TO PREFEASIBILITY 77
BOX 5.1 An example of a sample control form used to ensure correct analyses are requested.
Submitted by: Submitted to:
Sample control file: Date submitted:
Returned to: Job File:
Job no. /Area: Date returned:
Personnel file:
Channel or Sample no. From (m) To (m) Thickness Description, analyses and
borehole no. (m) elements requested
BOX 5.2 An example of a form used to give instructions to the laboratory for detailed coal test work.
To: Date:
Order no:
Please analyse the following samples as per the attached instructions
SAMPLE DETERMINATION REQUIRED
IDENTIFICATION
On individual samples marked B or M undertake the following:
1. Specific gravity of sample
2. Crush to 4.75 mm and screen out the <0.5 mm fraction
3. Cut out a representative sample of the raw coal and undertake:
4. Proximate analysis
5. Ultimate analysis (H, N, C, & O) on a moisture free basis
6. Analyze for inorganic and organic forms of S and Cl
7. Calorific value on a moisture free basis
8. Free silica %
9. Combined silica %
Submitted by: Signature:
