A STUDY OF PETROLOGY, VARIETY AND ORIGIN OF LEUCOSOMES AND INTERPRETATION OF MELTING CONDITIONS IN MIGMATITIC COMPLEX OF SIMIN AREA (SOUTHEAST OF HAMADAN)

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RAZIE JAFARI S.; SEPAHI ALI A.

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Paper Information

Journal: RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE" Year:2008 | Volume:34 | Issue:5 (GEOLOGY) Page(s): 197-216

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Title

A STUDY OF PETROLOGY, VARIETY AND ORIGIN OF LEUCOSOMES AND INTERPRETATION OF MELTING CONDITIONS IN MIGMATITIC COMPLEX OF SIMIN AREA (SOUTHEAST OF HAMADAN)

Author(s)

RAZIE JAFARI S. | SEPAHI ALI A. | Issue Writer Certificate

Keywords

ALVANDQ3

PARTIAL MELTINGQ3

LEUCOSOMEQ3

SIMIN AREAQ3

MIGMATITEQ4

Abstract

In the eastern aureole of the ALVAND plutonic complex, a band of migmatitic rocks occur which have various structures such as stromatic, ptygmatic, dyctionitic, schollen, surreitic and nebulitic. In this migmatitic complex, separation of melanosome from mesosome is difficult in many cases, so that melanosome has not developed or is very thin. Three types of LEUCOSOMEs including trondjhemitic, granodioritic and alkali feldspar granitic types occur in MIGMATITEs. Field observations and microfabrics show that metamorphic segregation, PARTIAL MELTING and migmatitic injection have been important in migmatization. The PARTIAL MELTING due to ultrametamorphism has been very important. There is also a genetic link between migmatizaton and formation of S-type granites. Major migmatization due to regional metamorphism has been occurred syn-to pre- intrusion of granites, but contact metamorphism has been also occurred later. The PARTIAL MELTING has been precocious and occurred before the complete change of andalusite to sillimanite.Tectonic disturbances and alternation of thin layers of various rocks caused PARTIAL MELTING has been (not pervasive) and therefore separation of mineral zones is selective difficult, in the region.

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APA: Copy

RAZIE JAFARI, S., & SEPAHI, ALI A.. (2008). A STUDY OF PETROLOGY, VARIETY AND ORIGIN OF LEUCOSOMES AND INTERPRETATION OF MELTING CONDITIONS IN MIGMATITIC COMPLEX OF SIMIN AREA (SOUTHEAST OF HAMADAN). RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", 34(5 (GEOLOGY)), 197-216. SID. https://sid.ir/paper/55837/en

Vancouver: Copy

RAZIE JAFARI S., SEPAHI ALI A.. A STUDY OF PETROLOGY, VARIETY AND ORIGIN OF LEUCOSOMES AND INTERPRETATION OF MELTING CONDITIONS IN MIGMATITIC COMPLEX OF SIMIN AREA (SOUTHEAST OF HAMADAN). RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE"[Internet]. 2008;34(5 (GEOLOGY)):197-216. Available from: https://sid.ir/paper/55837/en

IEEE: Copy

S. RAZIE JAFARI, and ALI A. SEPAHI, “A STUDY OF PETROLOGY, VARIETY AND ORIGIN OF LEUCOSOMES AND INTERPRETATION OF MELTING CONDITIONS IN MIGMATITIC COMPLEX OF SIMIN AREA (SOUTHEAST OF HAMADAN),” RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", vol. 34, no. 5 (GEOLOGY), pp. 197–216, 2008, [Online]. Available: https://sid.ir/paper/55837/en

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