Definition of Felsite

1. n. A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz.



Definition of Felsite

1. Noun. (minerology) A fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals. ¹

2. Noun. (geology) Any light-colored volcanic rock whose true mineralogy is not yet determined. ¹

¹ Source: wiktionary.com

Definition of Felsite

1. an igneous rock [n -S] : FELSITIC [adj]

Medical Definition of Felsite

1. A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz. Origin: Cf. Feldspar. Source: Websters Dictionary (01 Mar 1998)

Felsite Pictures

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Lexicographical Neighbors of Felsite

felodipine
felon
felonies
felonious
feloniously
feloniousness
feloniousnesses
felonous
felonries
felonry
felons
felonwort
felony
felos-de-se
felsic
felsite (current term)
felsites
felsitic
felspar
felspars
felspath
felspathic
felstone
felstones
felt
felt-tip
felt-tip pen
felt-tip pens
felt-tipped
felt-tipped pen

Literary usage of Felsite

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report by Tasmania Dept. of Mines (1897)
"In Germany the Tord felsite (or micro-felsite) is applied to the compact ... felsite is so differently used by different writers that its reputation as a. ..."

2. Bulletin (1884)
"The felsite which is so intimately associated with the ashes upon Break-heart ... A junction between the dark-colored felsite and a pale pink felsite may be ..."

3. Proceedings of the Academy of Natural Sciences of Philadelphia (1904)
"The quartz-felsite forms part of the same magma as the granite. Of two thin slides of the gneiss formed by schistose felsite intersected by numerous granite ..."

4. Engineering Geology: By Heinrich Ries and Thomas L. Watson by Heinrich Ries, Thomas Leonard Watson (1914)
"They sometimes show porphyritic texture, and may be designated felsite porphyry. Vesicular or cellular structure is less common in the ..."

5. Report of Progress for by Geological Survey of Canada (1879)
"On the old road between Belfry and Canoe Lakes, indian-red, compact and indistinctly granular felsite. spotted with quartz aiid veined with epidote, ..."

6. Petralogy. A Treatise on Rocks by John Pinkerton (1811)
"... and sometimes into the massive substance described under the Mode Slate. NOME VIII. felsite AND ... or felsite, trap, and roche de corne, or magnesian ..."

7. Report of the State Board of Geological Survey by Michigan Geological Survey, Alfred Church Lane (1907)
"The conglomerate may be well described as a felsite conglomerate in which ... 1, felsite: Reddish chocolate brown color. Verv fine grained ground mass with ..."

8. A Study of Ore Deposits for the Practical Miner: With Descriptions of Ore by James Philip Wallace (1908)
"felsite and Rhyolite. — These are composed chiefly of potash feldspar with some quartz. felsite and rhyolite are usually described as separate rocks, ..."

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