Mining - Wikipedia

Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, lode, vein, ... The science of extractive metallurgy is a specialized area in the science of metallurgy that studies the extraction of valuable metals ...

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Mining definition by Babylon's free dictionary

Mining Definition from Social Science Dictionaries & Glossaries Dream Dictionaries Dream Dictionary ... Mining is the extraction of valuable minerals or other geological materials from the earth from an orebody, lode, vein, seam, reef or placer deposits which ...

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What is LODE? definition of LODE (Science Dictionary)

Definition of LODE: 1 A mineral deposit composed of a zone of veins. 2 Steeply inclined fissure of non-alluvial mineral enclosed by walls of country rock of different origin.

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Spatiotemporal Analysis of Changes in Lode Mining Claims Around the McDermitt Caldera, Northern Nevada and Southern Oregon | SpringerLink

Spatiotemporal Analysis of Changes in Lode Mining Claims Around the McDermitt Caldera, Northern Nevada and Southern Oregon Authors Authors and affiliations ...

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EarthWord - Mother Lode - USGS.gov | Science for a changing world

EarthWords is an on-going series in which we shed some light on the complicated, often difficult-to-pronounce language of science. Think of us as your terminology ... The EarthWord: The Mother Lode Definition: The Mother Lode is a principal vein of a valuable ...

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Gold Mining Methods - Ground Truth Trekking

Hardrock (Lode) Mining The vast majority of current gold production comes from commercial hardrock mining operations. In these mines, the gold is extracted from the rock where it was originally deposited. Some hardrock mines are underground mines. A tunnel is ...

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Mining Claims and Sites on Federal Lands - Bureau of Land Management

Mining Claims and Sites on Federal Lands P-048 Online version revised 05/11 Cover photo: BLM historical database Inside photos: Ron Landberg ...

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What is shaft mining? | Socratic

There are overall, many different types of mining However, shaft mining or shaft sinking refers to the method of excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom. Other types of mining do not require as ...

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lode | Definition of lode in English by Oxford Dictionaries

Definition of lode in English: lode noun 1 A vein of metal ore in the earth. 'the tin oxide was very thinly scattered within the lode ... 'All was in readiness to start the mining of the copper lode. ' 'Copper also filled voids and occurred in thin fissure veins that cut the ...

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Nevada Silver Mining & the Comstock Lode - Video & Lesson Transcript | Study.com

This lesson will explore the mining history of Nevada. It will specifically highlight the Comstock Lode, the thriving area of Virginia City and the development of the ... As a member, you'll also get unlimited access to over 70,000 lessons in math, English, science ...

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Mother Lode | Definition of Mother Lode by Merriam-Webster

Mother lode definition is - the principal vein or lode of a region. How to use mother lode in a sentence. ... price for land near Nevada airport Area east of Reno has been booming thanks to Silicon Valley Long-struggling Comstock Mining Inc. may finally have its . ...

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lode - definition, etymology and usage, examples and related words

Definition of lode in the Fine Dictionary. Meaning of lode with illustrations and photos. Pronunciation of lode and it's etymology. Related words - lode synonyms, antonyms, hypernyms and hyponyms. Example sentences containing lode

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Lode | Definition of Lode by Merriam-Webster

Other Mining and Drilling Terms ore, trepan, wildcat LODE Defined for English Language Learners lode noun Definition of lode for English Language Learners ...

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Gold Industry - Dictionary definition of Gold Industry | Encyclopedia.com: FREE online dictionary

Definition of Gold Industry – Our online dictionary has Gold Industry information from International Encyclopedia of the Social Sciences dictionary. Encyclopedia.com: English, psychology and medical dictionaries ... Artisanal miners typically sell their gold in local ...

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mother lode definition | English definition dictionary | Reverso

n (Mining) the principal lode in a system English Collins Dictionary - English Definition & Thesaurus mother [1] n 1 a a female who has given birth to offspring ...

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Tailings.info What are tailings? - Their nature and production

What are tailings? The waste from the mining industry ... Figure 1: Multiple active spigot discharge (© Jon Engels) Introduction Tailings consist of ground rock and process effluents that are generated in a mine processing plant.

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Mother lode - Wikipedia

term common in old Mexican mining. Veta madre, for instance, is the name given to an 11-kilometre-long (6.8 mi) silver vein ... California Mother Lode In the United States, Mother Lode is most famously the name given to a long alignment of hard-rock gold ...

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Lode | Define Lode at Dictionary.com

Lode definition, a veinlike deposit, usually metalliferous. See more. Dictionary.com Word of the Day Crossword Solver Everything After Z Thesaurus.com Dictionary.com ...

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LODE - Definition and synonyms of lode in the English dictionary

The definition of lode in the dictionary is a deposit of valuable ore occurring between definite limits in the surrounding rock; vein. ... Striking the Mother Lode in Science: The Importance of Age, ... Clearly written, with many pointed anecdotes, this work will appeal ...

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Mother lode - definition of mother lode by The Free Dictionary

Define mother lode. mother lode synonyms, mother lode pronunciation, mother lode translation, English dictionary definition of mother lode. n. 1. The main vein of ore in a region. 2. An abundant or rich source: a mother lode of information. n mining the principal ...

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Gold Mines and Mining - Dictionary definition of Gold Mines and Mining | Encyclopedia.com: FREE online dictionary

Definition of Gold Mines and Mining – Our online dictionary has Gold Mines and Mining information from Dictionary of American History dictionary. Encyclopedia.com: English, psychology and medical dictionaries Skip to main content Search Research categories ...

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Gold Mining and its Environmental Impacts

Gold Mining and its Environmental Impacts ABSTRACT This paper examines the economical, agricultural, and environmental effects of ... Gold Rush included placer mining, hydraulic mining, and lode mining. The promise of gold brought thousands of people to ...

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Ore | mining | Britannica.com

Ore: Ore, a natural aggregation of one or more minerals that can be mined, processed, and sold at a profit. An older definition restricted usage of the word ore to metallic mineral deposits, but the term has expanded in some instances to include nonmetallics.

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Glossary of Mining Terms - Kentucky Coal Education - Online Since 1996

Glossary of Mining Terms Glossary of Mining Terms A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A ... Width - The thickness of a lode measured at right angles to the dip. Winning - The excavation, loading, and removal of coal or ore from the ground ...

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Lodes | Define Lodes at Dictionary.com

I shall now treat of preliminary mining on lodes or "reefs. " Getting Gold J. C. F. Johnson About 75,000 lodes have been discovered in Colorado, and numberless placers ...

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