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Questions and Answers
What is the term used to describe the solid petroleum component found in shale?
What is the term used to describe the solid petroleum component found in shale?
- Coke
- Coal
- Kerogene (correct)
- Bitumen
In mineral deposit evaluation, what is the term used to describe a positive ore reserve that is not yet fully confirmed?
In mineral deposit evaluation, what is the term used to describe a positive ore reserve that is not yet fully confirmed?
- Geologic ore reserve
- Probable ore reserve
- Measured ore reserve
- Inferred ore reserve (correct)
Which exploration method is best suited for determining the thickness of wet shears, clays, or gravels?
Which exploration method is best suited for determining the thickness of wet shears, clays, or gravels?
- Polarity
- Resistivity (correct)
- Magnetic
- Telluric
In coal deposition, what does the term 'strata' refer to?
In coal deposition, what does the term 'strata' refer to?
Which drilling method is commonly used to collect core samples for geological analysis?
Which drilling method is commonly used to collect core samples for geological analysis?
What is the term used to describe the exploration method that involves measuring the electrical properties of the Earth's subsurface?
What is the term used to describe the exploration method that involves measuring the electrical properties of the Earth's subsurface?
What is the term used to describe the process of recovering cores in diamond drilling?
What is the term used to describe the process of recovering cores in diamond drilling?
What type of formation is characterized by an accumulation of iron oxides and silica?
What type of formation is characterized by an accumulation of iron oxides and silica?
What is the primary purpose of drill rod design in exploration geology?
What is the primary purpose of drill rod design in exploration geology?
What is the term used to describe the process of estimating mineral reserves?
What is the term used to describe the process of estimating mineral reserves?
What type of drilling is commonly used in exploration geology to collect core samples?
What type of drilling is commonly used in exploration geology to collect core samples?
What is the primary advantage of using diamond drilling in exploration geology?
What is the primary advantage of using diamond drilling in exploration geology?
What is the term used to describe the process of drilling using a thin steel cable passing through the drill rods?
What is the term used to describe the process of drilling using a thin steel cable passing through the drill rods?
What is the primary purpose of exploration geology?
What is the primary purpose of exploration geology?
What is geochemical prospecting used to trace?
What is geochemical prospecting used to trace?
What is the most important quality specification of coal?
What is the most important quality specification of coal?
What is the measure of coal expressed in terms of?
What is the measure of coal expressed in terms of?
What is necessary for accurate logging of diamond drill cores?
What is necessary for accurate logging of diamond drill cores?
What indicates a ferrogenous outcrop?
What indicates a ferrogenous outcrop?
Which exploration method is best and widely used in establishing area, depth, and thickness of mineralization?
Which exploration method is best and widely used in establishing area, depth, and thickness of mineralization?
What is the most effective method of exploration applied in developing or delineating an ore-body?
What is the most effective method of exploration applied in developing or delineating an ore-body?
What is a cylindrical chamber for receiving and retaining rock samples as diamond drilling progresses called?
What is a cylindrical chamber for receiving and retaining rock samples as diamond drilling progresses called?
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Study Notes
Diamond Drilling
- In diamond drilling, the method of recovering cores by pulling the core barrel to the surface using a thin steel cable passing through the drill rods is called wireline drilling.
Mineral Deposits
- In evaluating mineral deposits, a positive ore reserve is sometimes referred to as probable ore reserve.
- The best and most widely used exploration method in developing an established area of mineralization or anomaly is core drilling.
Coal Deposition
- In coal deposition, strata refer to beds or layers.
Exploration Methods
- The exploration method highly applicable in locating and determining the thickness of wet shears, clays, or gravels is called resistivity.
- Geochemical prospecting is used to trace metals usually contained in water or stream sediment samples.
Diamond Drilling Samples
- In diamond drilling, the very fine and slimey samples collected are called sludge samples.
Coal Quality
- The most important quality specification of coal is its heating value.
- The measure of coal is expressed in terms of BTU (British Thermal Units).
Cement Production
- Aside from limestone, silica is another raw material necessary in the production of cement.
Core Logging
- For accurate logging of diamond drill cores, the core must first be wetted with clean water.
Coal Bed
- A stratum of coal or coal bed is called a coal seam.
Ferrogenous Outcrop
- A gossan indicates a ferrogenous outcrop.
Exploration Methods
- Core drilling is the best and widely used method in establishing area, depth, and thickness of mineralization, and is also used to gather data for ore reserves estimation.
- Diamond drilling is the most effective, detailed, and widely used method of exploration applied in developing or delineating an ore-body for the purpose of defining ore reserves.
Reconnaissance Exploration
- Initial reconnaissance exploration is usually conducted on drainage systems and tributaries.
Core Barrel
- A cylindrical chamber for receiving and retaining rock samples as diamond drilling progresses is called a core barrel.
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