Low-Titanium Lamproites of the Ryabinoviy Massif (Aldan Shield)

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Low-Titanium Lamproites of the Ryabinoviy Massif (Aldan Shield) : Crystallization Conditions and Lithospheric Source. / Chayka, I. F.; Izokh, A. E.; Sobolev, A. V. и др.

в: Doklady Earth Sciences, Том 481, № 2, 01.08.2018, стр. 1008-1012.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{3368ba3cdfcc40949271a5390155522a,

title = "Low-Titanium Lamproites of the Ryabinoviy Massif (Aldan Shield): Crystallization Conditions and Lithospheric Source",

abstract = "Obtained data shows that high-potassic dyke rocks of the Ryabinoviy massif (Central Aldan) belong to low-titanium lamproite series (Mediterranean type) and are distinct with “classic” high-titanium lamproites. Based on Al-in-olivine thermometer, temperature of olivine–chrome-spinel pair crystallization varies in range between 1100 and 1250°C. This suggests lithospheric mantle source for the parental melt and makes role of mantle plume insignificant. High-precision data on olivine composition and bulk rock traceelement composition imply mixed source for the parental melt, consisted of depleted peridotite and enriched domains, originated during ancient subduction.",

keywords = "TRACE-ELEMENT, CONSTRAINTS",

author = "Chayka, {I. F.} and Izokh, {A. E.} and Sobolev, {A. V.} and Batanova, {V. G.}",

note = "Publisher Copyright: {\textcopyright} 2018, Pleiades Publishing, Ltd.",

year = "2018",

month = aug,

day = "1",

doi = "10.1134/S1028334X18080020",

language = "English",

volume = "481",

pages = "1008--1012",

journal = "Doklady Earth Sciences",

issn = "1028-334X",

publisher = "PLEIADES PUBLISHING INC",

number = "2",

}

RIS

TY - JOUR

T1 - Low-Titanium Lamproites of the Ryabinoviy Massif (Aldan Shield)

T2 - Crystallization Conditions and Lithospheric Source

AU - Chayka, I. F.

AU - Izokh, A. E.

AU - Sobolev, A. V.

AU - Batanova, V. G.

PY - 2018/8/1

Y1 - 2018/8/1

N2 - Obtained data shows that high-potassic dyke rocks of the Ryabinoviy massif (Central Aldan) belong to low-titanium lamproite series (Mediterranean type) and are distinct with “classic” high-titanium lamproites. Based on Al-in-olivine thermometer, temperature of olivine–chrome-spinel pair crystallization varies in range between 1100 and 1250°C. This suggests lithospheric mantle source for the parental melt and makes role of mantle plume insignificant. High-precision data on olivine composition and bulk rock traceelement composition imply mixed source for the parental melt, consisted of depleted peridotite and enriched domains, originated during ancient subduction.

AB - Obtained data shows that high-potassic dyke rocks of the Ryabinoviy massif (Central Aldan) belong to low-titanium lamproite series (Mediterranean type) and are distinct with “classic” high-titanium lamproites. Based on Al-in-olivine thermometer, temperature of olivine–chrome-spinel pair crystallization varies in range between 1100 and 1250°C. This suggests lithospheric mantle source for the parental melt and makes role of mantle plume insignificant. High-precision data on olivine composition and bulk rock traceelement composition imply mixed source for the parental melt, consisted of depleted peridotite and enriched domains, originated during ancient subduction.

KW - TRACE-ELEMENT

KW - CONSTRAINTS

UR - http://www.scopus.com/inward/record.url?scp=85052836243&partnerID=8YFLogxK

U2 - 10.1134/S1028334X18080020

DO - 10.1134/S1028334X18080020

M3 - Article

AN - SCOPUS:85052836243

VL - 481

SP - 1008

EP - 1012

JO - Doklady Earth Sciences

JF - Doklady Earth Sciences

SN - 1028-334X

IS - 2

ER -

ID: 16358499

Low-Titanium Lamproites of the Ryabinoviy Massif (Aldan Shield): Crystallization Conditions and Lithospheric Source

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