Bottom Mine Definition Of Bottom Mine By The
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Bottom Mine Definition Of Bottom Mine By The

Bottom mine - definition of bottom mine by The Free Dictionary

Define bottom mine. bottom mine synonyms, bottom mine pronunciation, bottom mine translation, English dictionary definition of bottom mine. A mine with negative buoyancy which remains on the seabed. Also called ground mine. See also mine. Dictionary of Military and Associated Terms.

What does bottom mine mean? - definitions.net

Definition of bottom mine in the Definitions.net dictionary. Meaning of bottom mine. Information and translations of bottom mine in the most comprehensive dictionary definitions resource on the web.

Kettlebottoms in mine roofs, Coal Mining Geology, Kentucky ...

Definition and formation: “Kettlebottom” is a term used by miners to describe isolated rock masses in mine roofs, which tend to be semicircular when viewed from below and have a rounded or flat bottom like a kettle. Most kettlebottoms are in-place, fossil tree stumps.More precisely, they are hollowed-out trees filled with sediment. Kettlebottoms are tubular, conical, or

Bottom line - definition of bottom line by The Free Dictionary

Define bottom line. bottom line synonyms, bottom line pronunciation, bottom line translation, English dictionary definition of bottom line. n. 1. The line in a financial statement that shows net income or loss. 2. Financial matters, especially profit or loss. ... bottom mine; bottom moraine; bottom

2 Mine Warfare: An Overview | Oceanography and Mine ...

Once bottom composition, estimation of mine burial, bottom roughness, and NOMBO density data are acquired, they are combined to form a mine warfare bottom category in accordance with NWP 3–15. Bottom categories range from a best case "A" defined as an optimum minehunting seafloor, to the worst case "D" typified by a potential for high-mine ...

Glossary of Mining Terms - Coal Education

Kettle bottom - A smooth, rounded piece of rock, cylindrical in shape, which may drop out of the roof of a mine without warning. The origin of this feature is thought to be the remains of the stump of a tree that has been replaced by sediments so that the original form has been rather well preserved.

Glossary of Mining Terms - SEC

Dor bar - The final saleable product of a gold mine. Usually consisting of gold and silver. Drag fold - The result of the plastic deformation of a rock unit where it has been folded or bent back on itself. Drawpoint - An underground opening at the bottom of a stope through which broken ore from the stope is extracted.

Bottom line - definition of bottom line by The Free Dictionary

Define bottom line. bottom line synonyms, bottom line pronunciation, bottom line translation, English dictionary definition of bottom line. n. 1. The line in a financial statement that shows net income or loss. 2. Financial matters, especially profit or loss. ... bottom mine; bottom moraine; bottom

Chen bottom mine - Wikipedia

Chen-1. The Sinking-1 (沉-1, or Chen-1) naval mine is the fourth type of naval mine entering Chinese service in 1966. It is a bottom mine jointly developed by the 710th research institute, the 152nd Factory and Fengxi Machinery Factory (汾西机器厂), and it was the first Chinese naval mine using an acoustic fuze.It is useful for shallow water and port defence or blockading.

The Mines - Stardew Valley Wiki

Aug 31, 2021 · The Bottom of the Mines. On floor 120 of the Mines is the Skull Key. The skull key is used to open a door in a cave in The Desert, leading to the Skull Cavern. It is also used to unlock the Junimo Kart arcade machine for play in The Stardrop Saloon.

Bottom-line - definition of bottom-line by The Free Dictionary

Define bottom-line. bottom-line synonyms, bottom-line pronunciation, bottom-line translation, English dictionary definition of bottom-line. adj. 1. Concerned exclusively with costs and profits: bottom-line

Bottom Line Definition

Apr 18, 2021 · The bottom line refers to the net income of a company for a certain period. It is recorded on the bottom line of the net income financial statement. The bottom line is calculated by subtracting ...

Bottom-line | Definition of Bottom-line by Merriam-Webster

Bottom-line definition is - concerned only with cost or profits. How to use bottom-line in a sentence.

Goldbottom | Authentic Mining Experience

Visit an Operating Klondike Placer Gold Mine. If you’re planning a trip to the Yukon, Canada’s True North, we’d like to invite you to visit our operating placer gold mine located in the historic gold fields of the famous Klondike Gold Rush of 1898. Unique. We offer the only authentic operating placer gold mine tour in the Klondike ...

Bottoms - definition of bottoms by The Free Dictionary

bot·tom (bŏt′əm) n. 1. The deepest or lowest part: the bottom of a well; the bottom of the page. 2. The part closest to a reference point: was positioned at the bottom of the key for a rebound. 3. The underside: scraped the bottom of the car on a rock. 4. The supporting part; the base. 5. The far end or part: at the bottom of the bed. 6. a. The ...

pit-bottom - definition and meaning

pit-bottom: In coal-mining , the entrance to a mine and the underground roads in the immediate vicinity, whether at the bottom of the pit or at any point in it beneath the surface at which the cages are loaded. Also pit-eye.

Bottom line - Idioms by The Free Dictionary

Oct 08, 2017 · bottom line. The ultimate result, the upshot; also, the main point or crucial factor. For example, The bottom line is that the chairman wants to dictate all of the board's decisions, or Whether or not he obeyed the law is the bottom line. This is an accounting term that refers to the earnings figures that appear on the bottom (last) line of a ...

Bottom line financial definition of bottom line

Bottom Line An informal term for net income. That is, the bottom line is a company's total revenue less its operating expenses, interest paid, depreciation and taxes. For example, suppose a widget manufacturer earns $1,000,000 in total revenue. The widgets cost $200,000 to make and administrative and payroll expenses total $250,000. The manufacturer ...

7.2.3: Pit Terminology | ABC 123: Testing Site / Course

Figure 7.2.7: Key elements of an open pit mine. . Toe: Interior vertex formed by the intersection of the bench face and bench floor. Crest: Exterior vertex formed by the intersection of the bench floor and bench face. Bench width: The distance between the crest and the toe measured along the upper surface. There are two types of benches in each ...

Basics of an open pit mine - Mine Engineer.Com

In a open pit coal mine, the pit bottom would be the bottom mined coal seam elevation, since it is usually feasible to extract multiple seams when surface mining coal. In a hard rock mine, the bottom of the pit would be the lowest level (elevation) that mining

Underwater Weapons

Lastly, the mine may contain sonar equipment to detect the acoustic "signature" of the ship. This too allows the mine to distinguish between many different types of targets. Figure 7. Acoustic influence sensing. There are two main types of sea mines in use: bottom and moored. Bottom mines

Definition of kettle bottom - Mines, Minerals and More

Definition of kettle bottom. i. A smooth, rounded piece of rock, cylindrical in shape, which may drop out of the roof of a mine without warning, sometimes causing serious injuries to miners. The surface usually has a scratched, striated, or slickensided appearance and frequently has a slick, soapy, unctuous feel.

Glossary of Mining Terminology - Miners' Museum

Barrier - The coal left at a mine or mine working. Bearing In - Cutting a horizontal groove at the bottom or side of the coal face. Bed - A separate stratum of coal or other natural deposit such as clay, rock or shale. Bench - A horizontal section of coal seam included between parting of coal or shale.

Bottom | Definition of Bottom by Merriam-Webster

Bottom definition is - the underside of something. How to use bottom in a sentence.

The Components of a Mine Shaft: Mine Skips, Cages, Vents ...

A mine shaft is a is a vertical access hole that is several meters in diameter and stretches down to the location of the ore. It is where miners, supplies, equipment, water and air are conveyed to gain access to the ore. Ore is conveyed to the surface through mine skips that move up and down the shaft.

Chapter 8. Mine Ventilation Thermodynamics

Chapter 8. Mine Ventilation Thermodynamics Malcolm J. McPherson 3 Now, while the temperature of the mass of rock surrounding the shaft may change relatively slowly with time, the air temperature at the shaft entrance can change from hour to hour and, especially, between day and night.

Watch A Russian Navy Il-38N "Dolphin" Load A Superlarge ...

Apr 16, 2021 · The family of UDM (Universalnaya Donnaya Mina – “universal bottom mine”), designated MDM for export, are more recent and have been developed since 1961. The latest is the UDM-2-1500.

Searles Valley Mines | Trona on the Web

GOLD BOTTOM. About 9 miles northeast of Trona on the west slope of the Slate Range at an elevation of 2500 feet. The mine was discovered in the 1880 and operated until 1937. The mine is said to have produced $1,000,000 worth of ore. Other names for this mine were Copper Queen and Slate Range.

What does bottom hand mean? - definitions

Definition of bottom hand in the Definitions.net dictionary. Meaning of bottom hand. What does bottom hand mean? Information and translations of bottom hand in the most comprehensive dictionary definitions resource on the web.

e-WV | Kettle Bottom

Oct 07, 2010 · Kettle Bottom. The term kettle bottom, in miners’ jargon, refers to a dangerous geologic formation found in the roofs of underground coal mines. Kettle bottoms increase the risk of mine roof falls. Kettle bottoms were generated in ages long past when an underground mineral deposit formed inside of slate, or when the root mass of an ancient ...

How does mine drainage occur? - USGS

Mine drainage is formed when pyrite (an iron sulfide) is exposed and reacts with air and water to form sulfuric acid and dissolved iron. Some or all of this iron can precipitate to form the red, orange, or yellow sediments in the bottom of streams containing mine drainage. The acid runoff further dissolves heavy metals such as copper, lead, and mercury into groundwater or

Open-Pit Mining Definition | Anglo American

Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Open-pit mining is the most common method used throughout the world for mineral mining and does not require extractive methods or tunnels. This surface mining technique is used when mineral or ore deposits are ...

Definition of mine car - Mindat.org - Mines, Minerals and More

Definition of mine car. One of the cars that are loaded at production points and hauled to the pit bottom or surface in a train by locomotives or other power. They vary in capacity, and are either of wood or steel construction or combinations of both. Mine cars have been classified into six kinds: (1) the solid or box type, which requires a ...

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