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volcanic dust

volcanic dust Dust, ash, or other particulate matter that is commonly suspended in the atmosphere after volcanic eruptions. After explosive eruptions the dust may be thrown to heights of 20–30 km or more. The fall-out times of dust particles are quite short, a matter of days or weeks, depending on altitude and precipitation. Volcanogenic aerosols, usually sulphates, may linger for months, spreading as a long-lived veil in the stratosphere over much of the Earth.

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volcanic dust

volcanic dust Dust, ash, or other particulate matter commonly suspended in the atmosphere after volcanic eruptions. After explosive eruptions the dust may be thrown to heights of 20–30 km or more. The fall-out times of dust particles are quite short, a matter of days or weeks, depending on altitude and precipitation. Volcanogenic aerosols, usually sulphates, may linger for months, spreading as a long-lived veil in the stratosphere over much of the Earth.

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Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
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"volcanic dust." A Dictionary of Earth Sciences. . Encyclopedia.com. 23 Feb. 2018 <http://www.encyclopedia.com>.

"volcanic dust." A Dictionary of Earth Sciences. . Encyclopedia.com. (February 23, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/volcanic-dust

"volcanic dust." A Dictionary of Earth Sciences. . Retrieved February 23, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/volcanic-dust

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.