Boninitic metavolcanic rocks and island arc tholeiites from the Older Metamorphic Group (OMG) of Singhbhum Craton, eastern India: Geochemical evidence for Archean subduction processes

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Boninitic metavolcanic rocks and island arc tholeiites from the Older Metamorphic Group (OMG) of Singhbhum Craton, eastern India: Geochemical evidence for Archean subduction processes

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作者：C. Manikyamba^a ; ^{cmaningri@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Jyotisankar Ray^b ; Sohini Ganguly^a ; ^c ; M. Rajanikanta Singh^a ; M. Santosh^d ; Abhishek Saha^a ; ^e ; M. Satyanarayanan^a
关键词：Boninites ; Geochemistry ; Fluid-fluxed metasomatism ; Paleo-Mesoarchean subduction ; Singhbhum Craton ; Older Metamorphic Group
刊名：Precambrian Research
出版年：2015
出版时间：December 2015
年：2015
卷：271
期：Complete
页码：138-159
全文大小：4692 K

文摘

class="label">•: First report of boninite-low Ti arc basalt from Singhbhum Craton.
class="label">•: Metasomatism of depleted mantle wedge by slab-dehydrated fluids during subduction initiation.
class="label">•: Magma generation by flux-induced wedge melting in spinel peridotite domain of intraoceanic arc.
class="label">•: Modern-style subduction processes during Paleo-Mesoarchean.