31:
125:
804:
258:
Skewes, Milka
Alexandra; Stern, Charles R. (1979). "Petrology and geochemistry of alkali basalts and ultramafic inclusions from the palei-aike volcanic field in Southern Chile and the origin of the patagonian plateau lavas".
186:
Phenocrysts are ubiquitous in alkali basalt and, similarly to the groundmass, are usually made up of olivine and titanium-rich augite but can also have plagioclase and
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214:, etc.), continental rifts and volcanic fields. Continental alkali basalt can be found in every continent, with prominent examples being the
128:
Depiction of the total alkali-silica diagram. Alkali basalts are generally located in the upper left corner of the basalt region (region B).
443:
Hughes, D. J.; Brown, G. C. (1972). "Basalts from
Madeira: A petrochemical contribution to the genesis of oceanic alkali rock series".
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546:
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17:
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Irvine, T. N.; Baragar, W. R. A. (1971). "A Guide to the
Chemical Classification of the Common Volcanic Rocks".
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that contains nepheline in its CIPW norm. Basalts that do not contain normative nepheline are characterized as
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145:
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Le Maitre, R. W.; Streckeisen, A.; Zanettin, B.; Le Bas, M. J.; Bonin, B.; Bateman, P., eds. (2002).
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35:
703:
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Alkali basalt can be found in areas associated with volcanic activity, such as oceanic islands (
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419:
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Baker, Ian (1969). "Petrology of the
Volcanic Rocks of Saint Helena Island, South Atlantic".
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The groundmass of alkali basalt is mainly composed of olivine, titanium-rich augite and
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Alkali basalt is chemically classified as a rock in region B (basalt) of the
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usually found in oceanic and continental areas associated with
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10.1130/0016-7606(1969)80[1283:POTVRO]2.0.CO;2
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Igneous Rocks: A Classification and
Glossary of Terms
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76:. Alkali basalt is characterized by relatively high
34:Alkali basalt is one of the rocks comprising the
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295:"Basalt | Definition, Properties, & Facts"
261:Journal of Volcanology and Geothermal Research
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541:. Gulf Professional Publishing. p. 97.
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537:Farmer, G.L. (2005). Rudnick, R.L. (ed.).
445:Contributions to Mineralogy and Petrology
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134:total alkali versus silica (TAS) diagram
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562:Ulivi, Paolo; Harland, David M (2007).
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88:O) content relative to other
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120:Geochemical characterization
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591:Alkali basalt on Mindat.org
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666:Basalts by form and flow
321:. Elsevier. p. 45.
224:Pali-Aike volcanic field
36:Pali-Aike volcanic field
299:Encyclopedia Britannica
92:and by the presence of
647:Mid-ocean ridge basalt
317:Haldar, S. K. (2017).
231:gamma ray spectrometer
190:with lower frequency.
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229:The results from the
146:calc-alkaline basalts
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51:alkali olivine basalt
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27:Type of volcanic rock
709:Calc-alkaline basalt
697:Basalts by chemistry
657:Volcanic arc basalt
652:Ocean island basalt
508:1969GSAB...80.1283B
457:1972CoMP...37...91H
386:1971CaJES...8..523I
273:1979JVGR....6....3S
53:is a dark-colored,
809:Geology portal
743:Important minerals
465:10.1007/BF00371069
175:minerals, such as
142:tholeiitic basalts
138:sub-alkali basalts
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96:and titanium-rich
64:activity, such as
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220:East African Rift
70:continental rifts
16:(Redirected from
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760:Plagioclase
218:(USA), the
188:iron oxides
177:hypersthene
158:plagioclase
152:Petrography
106:phenocrysts
55:porphyritic
823:Categories
358:0132403420
245:References
102:groundmass
790:Tridymite
770:Magnetite
765:Amphibole
729:Mugearite
626:Types of
524:0016-7606
481:140549581
473:1432-0967
212:Ascension
114:CIPW norm
110:nepheline
40:Argentina
775:Ilmenite
755:Pyroxene
724:Hawaiite
235:Venera 8
222:and the
161:feldspar
62:volcanic
750:Olivine
683:Aa lava
628:basalts
504:Bibcode
453:Bibcode
382:Bibcode
269:Bibcode
204:Madeira
112:in its
100:in its
94:olivine
90:basalts
84:O and K
829:Basalt
780:Quartz
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200:Hawaii
181:quartz
173:silica
108:, and
98:augite
78:alkali
477:S2CID
422:–37.
239:Venus
38:, in
568:ISBN
543:ISBN
520:ISSN
469:ISSN
424:ISBN
353:ISBN
323:ISBN
179:and
144:and
104:and
72:and
512:doi
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390:doi
277:doi
237:on
233:on
167:or
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