Dictionary - Definition of FELDSPATHIC


Part of Speech	Definition
Adjective	1. An alternative spelling for "Feldspathose": Pertaining to, or consisting of, feldspar.[Websters].
Source: Webster's Revised Unabridged Dictionary (1913)		Top

"Feldspathic" is a common misspelling or typo for: feldspahtic.

Date "Feldspathic" was first used in popular English literature: sometime before 1828. (references)

Specialty Definition: FELDSPATHIC

Domain	Definition
Noah Webster	[Adjective] Pertaining to feldspar, or consisting of it.. Source: Webster's 1828 American Dictionary.
Mining	Said of a rock or other mineral aggregate containing feldspar. (references)
Wiktionary	[Adjective] (mineralogy) Containing feldspar. (references)
Source: compiled by the editor from various references; see credits.		Top

Expressions	Domain	Definition
Feldspathic emery	Mining	Emery similar to spinel emery but contains in addition from 30% to 50% plagioclase feldspar. Pure magnetite often is found in streaks within this mass. (references)
Feldspathic graywacke	Mining	A graywacke characterized by abundant unstable materials; specif., a sandstone containing generally less than 75% of quartz and chert and 15% to 75% detrital clay matrix, and having feldspar grains (chiefly sodic plagioclase, indicating a plutonic provenance) in greater abundance than rock fragments (indicating a supracrustal provenance) (Pettijohn, 1954; 1957). Cf: lithic graywacke. (references)
Feldspathic sandstone	Mining	A feldspar-rich sandstone; specif., a sandstone intermediate in composition between an arkosic sandstone and a quartz sandstone, containing 10% to 25% feldspar and less than 20% matrix material of clay, sericite, and chlorite. See also: arkose. (references)
Source: compiled by the editor from various references; see credits.			Top


Part of Speech	Definition
Adjective	1. An alternative spelling for "Feldspathose": Pertaining to, or consisting of, feldspar.[Websters].
Source: Webster's Revised Unabridged Dictionary (1913)		Top

"FELDSPATHIC" is a common misspelling or typo for: feldspahtic.

Date "FELDSPATHIC" was first used in popular English literature: sometime before 1828. (references)

Domain	Definition
Noah Webster	[Adjective] Pertaining to feldspar, or consisting of it.. Source: Webster's 1828 American Dictionary.
Mining	Said of a rock or other mineral aggregate containing feldspar. (references)
Wiktionary	[Adjective] (mineralogy) Containing feldspar. (references)
Source: compiled by the editor from various references; see credits.		Top

Expressions	Domain	Definition
Feldspathic emery	Mining	Emery similar to spinel emery but contains in addition from 30% to 50% plagioclase feldspar. Pure magnetite often is found in streaks within this mass. (references)
Feldspathic graywacke	Mining	A graywacke characterized by abundant unstable materials; specif., a sandstone containing generally less than 75% of quartz and chert and 15% to 75% detrital clay matrix, and having feldspar grains (chiefly sodic plagioclase, indicating a plutonic provenance) in greater abundance than rock fragments (indicating a supracrustal provenance) (Pettijohn, 1954; 1957). Cf: lithic graywacke. (references)
Feldspathic sandstone	Mining	A feldspar-rich sandstone; specif., a sandstone intermediate in composition between an arkosic sandstone and a quartz sandstone, containing 10% to 25% feldspar and less than 20% matrix material of clay, sericite, and chlorite. See also: arkose. (references)
Source: compiled by the editor from various references; see credits.			Top