Sampling Errors in Practice

NEGATIVE EDUCATION WARNING

These pages describe how not to do the sampling, coning and quartering, as these errors are common. Much care must be taken in doing this work, as well as to clean thoroughly the parts of the platform or canvas where the discarded metal has been in order to prevent salting. People walking barefoot on the mercury contaminated soil and other negative facts may be observed on this series of pictures.

Quartering of the sample on canvas, with warning
The quartering have been conducted, but this is small sample containing concentrates, and even if it wasn't, the dirt on the canvas was not quartered equally, and thus the quarters do not represent perfect proportional minerals from the whole. Much care must be taken in doing this work, as well as to clean thoroughly the parts of the canvas where the discarded metal has been in order to prevent salting.
Quarter of the sample, is it removed or not removed?
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure. What do you observe on this picture? The quarter of the sample have been removed. Is it removed? What can you see and observe?…
Collection of quarter of the sample into gold pan
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure. People collect one quarter of the sample into the gold pan. Please don't do this.
Negative education on errors in sampling
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure. People are using canvas incorrectly, removing sample into gold pan, not cleaning the canvas, and walking barefoot over mercury contaminated sample.
Negative education on errors in quartering
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure. People are trying to remove way to big sample part into the gold pan. Instead, additional canvas underneath shall be used first to remove the quarter and then to dispose of it.
Negative education examples of quartering
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure. The barefoot walking over material, dirty canvas, not cleaning and removing all particles of the sample.
Quartering the sample
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure.
Quartering the sample
NEGATIVE EDUCATION WARNING: This picture are shown how NOT TO do the quartering procedure. Barefoot walking over the canvas, using small scoop to try to flatten the sample, not using any piece of cloth to clean the canvas and collect or particles together, those are the incoherent facts to be observed on this picture.
People are using canvas to divide the sample in two parts
NEGATIVE EDUCATION WARNING: These pictures are shown how NOT TO do the quartering procedure. The incoherent facts that may be seen on this picture are dirt everywhere on the canvas, thus either removing the gold particles from the sample or contaminating parts of sample with it. Using hands too close on the sample material and barefoot walking over the canvas, thus either removing or contaminating the sample.
The method to divide smaller sample in two parts
This pictures shows the starting position to divide the smaller sample into two parts.
The sample as divided in two parts
This sample have been divided in two approximately equal parts.
Division of the sample in two parts
On this picture one can see how sample have been divided on two parts.
Coning the sample
After mixing the sample, it has to be coned and then flattened before quartering process.
Mixing the sample in plastic canvas
While this picture cannot describe proper way of using canvas on how to mix the sample, it demonstrates the basic principle of rolling the sample in canvas.

Current Gold and Silver Price

Current gold price as of March 13th 2021 is US $55.52 per gram or US $55526 per kilogram. Current silver price is US $25.93 per ounce or US $0.91 per gram or US $910 per kilogram.

Call Communication and Reporting Officer I/C of Start Your Own Gold Mine company in Tanzania, Mrs. Happiness Njela, on +256771843538

If you wish to call mentor Mr. Jean Louis for anything relating to Start Your Own Gold Mine simply call the number or on mobile devices click on this phone number +256771843538 to get immediately in touch, regardless of the time zone.

Current location of Mentor to Start Your Own Gold Mine

I am Mr. Jean Louis, mentor for Start Your Own Gold Mine program and I am currently located in Kampala, Uganda, preparing for the departure to new mining site on behalf of one of our clients.

I am managing teams of people in Uganda, Kenya, Rwanda and Tanzania on distance and exploration and gold mining face to face. We are also promoting our Tanzanite gemstone inventory.

You will need either to contact me or Communication and Reporting Officer I/C and geologist, Mrs. Happiness Njela in Tanzania as described.

Contact us to Start Your Own Gold Mine