The Khairkhan dunite-troctolite-gabbro massif (Lake Zone of the Western Mongolia) - Example of syncollision Middle Cambrian mafic intrusion

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The Khairkhan dunite-troctolite-gabbro massif (Lake Zone of the Western Mongolia) - Example of syncollision Middle Cambrian mafic intrusion. / Izokh, A. E.; Vishnevskiy, A. V.; Shelepaev, R. A. et al.

In: IOP Conference Series: Earth and Environmental Science, Vol. 319, No. 1, 012009, 19.09.2019.

Research output: Contribution to journal › Conference article › peer-review

BibTeX

@article{ab4d5e98a30a45aaad1674905dfb2542,

title = "The Khairkhan dunite-troctolite-gabbro massif (Lake Zone of the Western Mongolia) - Example of syncollision Middle Cambrian mafic intrusion",

abstract = "Geological, mineralogical, petrochemical and geochronological data are considered for the Khairkhan dunite-troctolite-gabbro massif in the Lake zone of Western Mongolia. The massif intrude the Lower Cambrian molasse stratum and intruded by the Middle Cambrian diorite-plagiogranite bodies (507 Ma). Mineralogical, petrographic and geochemical data show typical suprasubduction characteristics: high An component of plagioclases with increased iron content of olivines, high whole-rock alumina content, low contents of titanium and alkalis, Ta, Nb, Zr and Hf minima. The layered series is characterized by a layers of orbicular gabbros, which can be considered as gabbro-gabbro mingling. At the same time, high-temperature viscous-plastic deformations are characteristic of the layered series, which cover the entire volume of the intrusion. These observations, together with geological and geochronological data related to the melting of the suprasubduction mantle in the Cambrian-Ordovician time, allow treating the Khairkhan massif as an example of syncollisional stratified gabbroids.",

keywords = "PALEOZOIC GRANITOID BATHOLITHS, GEODYNAMIC ENVIRONMENTS, AGE, MAGMATISM",

author = "Izokh, {A. E.} and Vishnevskiy, {A. V.} and Shelepaev, {R. A.} and Polyakov, {G. V.} and Gertner, {I. F.} and Vrublevskii, {V. V.} and Kurumshieva, {K. R.}",

year = "2019",

month = sep,

day = "19",

doi = "10.1088/1755-1315/319/1/012009",

language = "English",

volume = "319",

journal = "IOP Conference Series: Earth and Environmental Science",

issn = "1755-1307",

publisher = "IOP Publishing Ltd.",

number = "1",

note = "10th All Russian Petrographic Conference with International Participationon Petrology of Magnetic and Metamorphic Complexes ; Conference date: 27-11-2018 Through 28-11-2018",

}

RIS

TY - JOUR

T1 - The Khairkhan dunite-troctolite-gabbro massif (Lake Zone of the Western Mongolia) - Example of syncollision Middle Cambrian mafic intrusion

AU - Izokh, A. E.

AU - Vishnevskiy, A. V.

AU - Shelepaev, R. A.

AU - Polyakov, G. V.

AU - Gertner, I. F.

AU - Vrublevskii, V. V.

AU - Kurumshieva, K. R.

PY - 2019/9/19

Y1 - 2019/9/19

N2 - Geological, mineralogical, petrochemical and geochronological data are considered for the Khairkhan dunite-troctolite-gabbro massif in the Lake zone of Western Mongolia. The massif intrude the Lower Cambrian molasse stratum and intruded by the Middle Cambrian diorite-plagiogranite bodies (507 Ma). Mineralogical, petrographic and geochemical data show typical suprasubduction characteristics: high An component of plagioclases with increased iron content of olivines, high whole-rock alumina content, low contents of titanium and alkalis, Ta, Nb, Zr and Hf minima. The layered series is characterized by a layers of orbicular gabbros, which can be considered as gabbro-gabbro mingling. At the same time, high-temperature viscous-plastic deformations are characteristic of the layered series, which cover the entire volume of the intrusion. These observations, together with geological and geochronological data related to the melting of the suprasubduction mantle in the Cambrian-Ordovician time, allow treating the Khairkhan massif as an example of syncollisional stratified gabbroids.

AB - Geological, mineralogical, petrochemical and geochronological data are considered for the Khairkhan dunite-troctolite-gabbro massif in the Lake zone of Western Mongolia. The massif intrude the Lower Cambrian molasse stratum and intruded by the Middle Cambrian diorite-plagiogranite bodies (507 Ma). Mineralogical, petrographic and geochemical data show typical suprasubduction characteristics: high An component of plagioclases with increased iron content of olivines, high whole-rock alumina content, low contents of titanium and alkalis, Ta, Nb, Zr and Hf minima. The layered series is characterized by a layers of orbicular gabbros, which can be considered as gabbro-gabbro mingling. At the same time, high-temperature viscous-plastic deformations are characteristic of the layered series, which cover the entire volume of the intrusion. These observations, together with geological and geochronological data related to the melting of the suprasubduction mantle in the Cambrian-Ordovician time, allow treating the Khairkhan massif as an example of syncollisional stratified gabbroids.

KW - PALEOZOIC GRANITOID BATHOLITHS

KW - GEODYNAMIC ENVIRONMENTS

KW - AGE

KW - MAGMATISM

UR - http://www.scopus.com/inward/record.url?scp=85073068398&partnerID=8YFLogxK

U2 - 10.1088/1755-1315/319/1/012009

DO - 10.1088/1755-1315/319/1/012009

M3 - Conference article

AN - SCOPUS:85073068398

VL - 319

JO - IOP Conference Series: Earth and Environmental Science

JF - IOP Conference Series: Earth and Environmental Science

SN - 1755-1307

IS - 1

M1 - 012009

T2 - 10th All Russian Petrographic Conference with International Participationon Petrology of Magnetic and Metamorphic Complexes

Y2 - 27 November 2018 through 28 November 2018

ER -

ID: 21848050