DOI: 10.1007/s00531-012-0809-9
Scopus记录号: 2-s2.0-84874018116
论文题名: High-K volcanism in the Afyon region, western Turkey: From Si-oversaturated to Si-undersaturated volcanism
作者: Akal C. ; Helvaci C. ; Prelević D. ; van den Bogaard P.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2013
卷: 102, 期: 2 起始页码: 435
结束页码: 453
语种: 英语
英文关键词: Afyon volcanic province
; High-K volcanism
; Lamproite
; Leucitite
; Western Anatolia
Scopus关键词: lamproite
; leucite
; melilite
; phonolite
; potassic rock
; silicon
; volcanic rock
; volcanism
; Afyon
; Turkey
英文摘要: Volcanic rocks of the Afyon province (eastern part of western Anatolia) make up a multistage potassic and ultrapotassic alkaline series dated from 14 to 12 Ma. The early-stage Si-oversaturated volcanic rocks around the Afyon city and further southward are trachyandesitic volcanic activity (14. 23 ± 0. 09 Ma). Late-stage Si-undersaturated volcanism in the southernmost part of the Afyon volcanic province took place in three episodes inferred from their stratigraphic relationships and ages. Melilite-leucitites (11. 50 ± 0. 03 Ma), spotted trachyandesites, tephryphonolites and lamproites (11. 91 ± 0. 13 Ma) formed in the first episode; trachyandesites in the second episode and finally phonotephrites, phonolite, basaltic trachyandesites and nosean-bearing trachyandesites during the last episode. The parameter Q [normative q-(ne + lc + kls + ol)] of western Anatolia volcanism clearly decreased southward with time becoming zero in the time interval 10-15 Ma. The magmatism experienced a sudden change in the extent of Si saturation after 14 Ma, during late-stage volcanic activity of Afyon volcanic province at around 12 Ma, though there was some coexistence of Si-oversaturated and Si-undersaturated magmas during the whole life of Afyon volcanic province. © 2012 The Author(s). URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84874018116&doi=10.1007%2fs00531-012-0809-9&partnerID=40&md5=61ef61c8da7103238daee7b64b33f3fc
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70585
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: Mühendislik Fakültesi Jeoloji Mühendisliǧi Bölümü, Dokuz Eylül Üniversitesi, 35160 Tinaztepe, Buca, Izmir, Turkey; Institute for Geosciences, Earth System Science Research Centre, University of Mainz, Becherweg 21, 55099 Mainz, Germany; IFM-GEOMAR, Wischhofstr. 1-3, 24148 Kiel, Germany
Recommended Citation:
Akal C.,Helvaci C.,Prelević D.,et al. High-K volcanism in the Afyon region, western Turkey: From Si-oversaturated to Si-undersaturated volcanism[J]. International Journal of Earth Sciences,2013-01-01,102(2)