Drill Testing To Sample Gold Deposits

Test process drilling for gold is an important step in the every prospecting and gold mining industry. Test drilling is a step that is used continuously to obtain samples of bedrock in the land of gold mining project. The sample is then tested to determine whether it is gold in the project area in mining and to estimate the amount of gold that can be mined in the area. 

In the process of drilling testing can produce a variety of results sample, because each gap can occur various kinds of different types of rocks and soils, The process of drilling test is a step that most highly effective to get the test results of rock in the ground in estimating the amount of gold ore deposits in the area which will do the mining.

Drilling is an absolute necessity to assess metal ores prior to the process of exploitation in an extensive mining operation. Drilling can be done for all large-scale mining, before the open pit mine development, or for the assessment of large commercial placer mines. 

Preliminary Prospecting Works In Test Drilling

Before test drilling for gold, there are several steps that can be done early, it is made to prospecting works. Often the area to test can bushes, hard terrain or other obstacles drilled, which may influence the outcome of exploratory drilling. It is important, therefore, it will be handled first.

One step that can be used is by ridding the area which will be conducted test drilling. This can help reduce the amount of land the ground which will done testing on drilling,thus support and make to be effective the test holes are drilled. 

Drill testing

In the process of test drilling in gold mining is intended to determine whether the area has gold potential which can be used for large-scale mining.This is very helpful in determining the amount of gold deposits
and grade gold contained in the soil in the area that will be in mine.

Test drilling can also specify the information that is significant of the general geology of the rock structures that exist in the soil at the prospect area, the geochemical structure and other information from other minerals besides gold deposits existing in the test drilling area 

The pattern of test holes, the distance and the number of test wells is mineral determined by the geometrical alignment of the drill, the geochemical composition of the area and the distribution of the target.

For most in scale test drilling in mining area is often gridded out into small grids that can determine the number of holes to be drilled. Sometimes in the drilling process is done in a manner soil formation such as rifts, ditches, river basins or even valleys. 

In most of the tests for the drilling of gold speed and cost are important factors that are considered by geologists.

If in the process the first step is successful, then to get a drilling method that is more accurate in determining the mineral content of gold or may be in the process of the most extensive can be implemented

Some of the methods most commonly used test holes, you can use includes hand drilling, rotary drilling, percussion drilling and diamond drilling. 

The significance of the test drilling for gold

test drilling is to enhance the importance of prospecting before a mining operation, and drill testing is one of the methods most commonly used for sampling.

Albeit with very expensive, it takes some of the risk and guesswork out of the mining process and an estimate of how much gold there is in the area

The type of drilling specifies the device to be used. 

Hand Drilling

This is carried out in at a little place for little operations. Hand drilling done by using a manual hand, the phase required prior training stage, as sample tubes and augers. These drills can not penetrate bedrock and thus limited in its application entirely.

Variety of hand drilling tools can be used for hand drilling, but hand test can only for little gold mining drilling.The advantage of the hard drilling reduced cost of major methods, and this may be the best method for individual miners who lack the resources for greater exploration.

 Percussion Drilling

This type test drilling where the drilling equipment can be used to enter into the bedrock up to a depth of approximately 10 meters. Percussion drilling is drilling that uses compressed air drilling equipment, this makes lebihh far stronger than using a hand drill.There is also drilling using large air drilling equipment ,which can be used in complex drilling in the mining area.

Rotary Drilling

Rotary drilling is drilling relatively expensive yet very easy to use in a variety of conditions. In the drilling process using a ring and an air compressor in the process of drilling holes to be tested. With the true tools and skilled workers, this type of exploratory drilling takes the least time of all available drills. The drill may obtain samples from between 20 and 100 foot holes. 

Diamond Drilling

This is the most versatile drill testing method that can use. The machines used for this type of drilling gets superior most samples since it can drill deep and at a certain angle and conditions.

In most cases, drills are used herein, can be powered by electric engines, gasoline, diesel, and even air. However, the process can only slow and very expensive in practice and thus it is used only for complex projects that require extensive drilling.

This Video  from Hellix Ventures Inc. - Margarita Gold Drill Program

Why To Invest In Silver

Is silver a good investment? The answer is ‘yes’. Like gold, silver is a safe investment that offers an effective value against inflation and adverse economic conditions, apart from wealth creation.

Unlike currencies, the value of silver does not fall in real terms any time. However, before decide on how to ways invest in silver or where to buy silver, we should know why to invest in silver.

Here’s a look at the pros and cons of silver investing:

 Advantages For Silver

1. Returns. 
Though silver is almost 17 times more abundant in nature than gold, however silver it is more scarce in circulation. According to some estimates, the combined sovereign gold holdings by various treasuries in the world are more than the total mined silver available.

Historically, silver has outperformed gold in terms of returns and it is truer in present times than ever before. Over the last two decades, the returns on silver have been almost three times that of gold.  Since 2009, silver price has increased 87% with over 630% returns, while gold price increased 30% with over 250% returns.

 2. Demand. 

The demand for silver is not driven by economic condition alone. It has a large use in industry and in recent years that has been the major factor for silver’s price rally. Currently, almost half of the total demand for silver is industrial.

Most of the silver that is used in industry cannot be extracted and recycled due to various reasons, implying that silver is being ‘consumed’ in manufacturing. Such demand is likely to continue pushing silver higher in the future.

3. Affordability.
Known as ‘poor man’s gold’, silver is a highly affordable precious metal for all practical purposes. The gold to silver ratio is one of the most watched metrics in the precious metals area. This ratio has been fluctuating over years.

Even at current silver peaks the ratio stands at around 31, indicating that gold price is around 31 times that of silver. Therefore, affordability combined with returns makes silver a winning investment option.

4. Liquidity
Like gold, silver has high liquidity and is easily traded in various forms all over the world. In the long term, silver was used as a currency in different parts of the world and enjoys similar recognition even today.

5. Alternatives.
There are various types of investments in silver that you can choose as per your requirements. These include bullion coins, collector’s coins, bars, silver rounds, jewelry, junk silver, scrape, mutual funds, Exchange Traded Funds (ETFs), futures, options, certificates, and silver accounts.

Disadvantages

1. Bulk
Due to its low pricing, an equivalent amount of investment in silver is much heavier and requires more storage space than gold. This adds to transportation, insurance and storage costs for silver.

2. Maintenance.
Silver gets oxidized readily, losing its sheen to a blackened appearance. Some of the premium that is paid at the time of buying a piece of silver is related to its appearance. May lose out on such premium on your tarnished holdings at the time of selling.

Therefore, it is very important to retain your physical silver in pristine condition. Bullion coins and certain numismatic coins are often available in protective, covering that protects them from oxidation. However, silver bars are exposed and face a greater risk of tarnishing.

3. Taxation.
Unlike gold, silver is subject to taxation in most of the nations, either as capital gains tax or as value added tax. The tax rates in various countries range between 7% and 22%.

4. Instrument-specific drawbacks.
Individual forms of silver investments have different types of disadvantages. For instance, futures are subject to inherent riskiness of the metal and markets. Another example is jewelry, which is unprofitable because its price includes crafting cost that fetch no value at the time of sale.

This is Video How to invest in silver  

 Related video

- High Profits Investing In Gold
- The Real Gold Mine