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单词 prospecting
释义

prospecting


pros·pect

P0608500 (prŏs′pĕkt′)n.1. Something expected; a possibility.2. prospectsa. Chances.b. Financial expectations, especially of success.3. a. A potential customer, client, or purchaser.b. A candidate deemed likely to succeed.4. The direction in which an object, such as a building, faces; an outlook.5. Something presented to the eye; a scene: a pleasant prospect.6. The act of surveying or examining.7. a. The location or probable location of a mineral deposit.b. An actual or probable mineral deposit.c. The mineral yield obtained by working an ore.v. pros·pect·ed, pros·pect·ing, pros·pects v.tr. To search for or explore (a region) for mineral deposits or oil.v.intr. To explore for mineral deposits or oil.
[Middle English prospecte, from Latin prōspectus, distant view, from past participle of prōspicere, to look out : prō-, forward; see pro-1 + specere, to look at; see spek- in Indo-European roots.]

prospecting

(prəˈspɛktɪŋ) n (Mining & Quarrying) the activity of exploring a region for gold or other valuable minerals
Translations

prospecting


prospecting,

search for mineral deposits suitable for miningmining,
extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as diamonds; building stones, such as granite; and solid fuels, such as coal and
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. Modern prospecting has replaced earlier methods based on chance or superstition (e.g., use of the divining rod) with others based on a scientific knowledge of modern geology and mineralogy. Surface indications of deposits are confirmed by extensive sampling, e.g., by examination and analysis of material taken from holes drilled at regular intervals. Modern geophysical methods of prospecting use instruments that measure variations in the earth's magnetic or gravitational field, or in the direction, nature, and velocity of waves set up in the ground by underground explosions. Electrical methods employ instruments that indicate relative electrical conductivity between points in the earth's surface or electromotive forces generated by large ore bodies. Geochemical prospecting involves the chemical or spectrographic analysis of soil, plant, and water samples. Scintillometers or Geiger counters are used to locate radioactive materials. A portable radioactive source is the basis of the berylometer, useful in locating beryl. Some minerals fluoresce in the presence of ultraviolet light; they are sought in the dark with portable ultraviolet lamps. Aerial and satellite photography and airborne instruments have proved useful for preliminary prospecting in unexplored territories.

Bibliography

See J. B. Chaussier and J. Morer, Mineral Prospecting Manual (1986); M. Kuzvart and M. Bohmer, Prospecting and Exploration of Mineral Deposits (2d ed. 1986).

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