Difference between revisions of "Diabase"
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== Description == | == Description == | ||
| − | A dark-gray to black [[igneous]] rock composed of [[plagioclase]] [[feldspar]], [[augite]], and [[pyroxene]] with small quantities of [[magnetite]] and [[apatite]]. Diabase is found in Canada and along the east coast of the United States from New England to Virginia. It is used as a building and monument stone as well as for paving and cement aggregate. | + | A dark-gray to black [[igneous]] rock composed of [[plagioclase]], [[feldspar]], [[augite]], and [[pyroxene]] with small quantities of [[magnetite]] and [[apatite]]. Diabase is found in Canada and along the east coast of the United States from New England to Virginia. It is used as a building and monument stone as well as for paving and cement aggregate. |
[[File:Diabase.truncates.foliation.jpg|thumb|Diabase truncates foliation]] | [[File:Diabase.truncates.foliation.jpg|thumb|Diabase truncates foliation]] | ||
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dolerite; diabase (Port.); Diabas (Deut.); diabaas (Ned.) | dolerite; diabase (Port.); Diabas (Deut.); diabaas (Ned.) | ||
| − | == | + | == Risks == |
May contain free silica that can cause silicosis with inhalation. | May contain free silica that can cause silicosis with inhalation. | ||
| − | == | + | ==Resources and Citations== |
* Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 Comment: p. 273 | * Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 Comment: p. 273 | ||
Latest revision as of 14:02, 6 December 2022
Description
A dark-gray to black Igneous rock composed of Plagioclase, Feldspar, Augite, and Pyroxene with small quantities of Magnetite and Apatite. Diabase is found in Canada and along the east coast of the United States from New England to Virginia. It is used as a building and monument stone as well as for paving and cement aggregate.
Synonyms and Related Terms
dolerite; diabase (Port.); Diabas (Deut.); diabaas (Ned.)
Risks
May contain free silica that can cause silicosis with inhalation.
Resources and Citations
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942 Comment: p. 273
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998