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Granitoids are diverse; no classification system for granitoids can give a complete and unique characterization of the origin, compositional evolution, and geodynamic environment for the genesis of a granitoid. Accordingly, multiple granitoid classification systems have been developed such as those
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Streckeisen, A. (1974). "Classification and
Nomenclature of Plutonic Rocks: Recommendations of the IUGS Subcommission on the Systematics of Igneous Rocks".
77:. As only two of the three defining mineral groups (quartz, plagioclase, and alkali feldspar) need to be present for the rock to be called a granitoid,
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There are several generalizations that apply to the majority of granitoids. Typically, granitoids occur where
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requires a thermal disturbance to ascent though continental crust. Most granitoids are generated from
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81:-bearing rocks, which predominantly contain feldspars but no quartz, are also granitoids. The terms
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There are numerous exceptions to these generalizations. For example, granitoids can form in
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Clarke, D. B. (1992) Granitoid Rocks, Chapman & Hall, London.
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yielding continental collisions. Generally, the evolution to granitoid
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outcrop. Granitoids can form in all tectonic environments.
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Illustration of continental collision as a result of convergence
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Pitcher, W. S. 1982. Granite type and tectonic environment.
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210:"USGS: Mineral Resources On-Line Spatial Data: Granitoid"
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are often used interchangeably for granitoids; however,
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that have equivalent chemical composition (granite–
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282:Principles of igneous and metamorphic petrology
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169:etc.) however, these extrusive rocks are often
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93:is just one particular type of granitoid.
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61:. Granitoids range from plagioclase-rich
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426:. You can help Knowledge by
182:anorogenic environments
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345:Mountain Building Processes
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357:Barbarin, Bernard (1990).
280:Winter, John D. (2014).
483:Igneous petrology stubs
369:(3–4). Wiley: 227–238.
284:. Harlow. p. 402.
190:radiogenic crustal heat
422:-related article is a
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384:10.1002/gj.3350250306
228:Geologische Rundschau
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69:and from quartz-poor
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240:1974GeoRu..63..773S
363:Geological Journal
248:10.1007/BF01820841
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343:Hsu, K. J. (ed.)
291:978-1-292-02153-9
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139:convergence
133:yielding a
55:plagioclase
478:Rock stubs
467:Categories
196:References
157:, syenite–
131:subduction
129:either by
97:based on:
71:monzonites
393:0072-1050
308:cite book
300:890442947
256:130569261
125:thickens
63:tonalites
40:granitoid
186:hotspots
159:trachyte
155:rhyolite
67:syenites
18:Granitic
371:Bibcode
236:Bibcode
123:orogeny
91:granite
83:granite
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171:eroded
167:dacite
143:magmas
137:or by
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51:quartz
418:This
252:S2CID
424:stub
389:ISSN
314:link
296:OCLC
286:ISBN
85:and
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379:doi
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
