Petrology and geochemistry of the lawsonite (pseudomorph)-bearing eclogite
in Yuka terrane, North Qaidam UHPM belt: An eclogite
facies metamorphosed oceanic slice.
Their topics include probing crustal thickness evolution and geodynamic processes in the past from magma records: an integrated approach, the exhumation of Western Alboran peridotites in an Oligocene-Miocene oblique continental rift system, crust-mantle boundary in eastern North America from the (oldest) craton to the (youngest) rift, the role of percolating melts in Antarctic subcontinental lithosphere mantle: new insights from Handler Ridge mantle xenoliths in northern Victoria Land, and detrital zircon evidence for eclogite
formation by basal subduction erosion: an example from the Yukon-Tanana composite arc in the Canadian Cordillera.
At the earliest, Adakite refers to the intermediate-acidic igneous rock with unique geochemical characteristics, which is formed by young subducting oceanic crust melting under eclogite
A sample of eclogite
(ARQ-359) from the Arquia Complex in the area of interest was selected for Lu-Hf garnet geochronology, with multiple garnet and whole-rock fractions, each consisting of 200-250 mg of material, which were dissolved in the radiogenic isotope clean laboratory at Washington State University according to the standard protocol described by Nesheim et al.
It is widely accepted that TTG magmas were created by the partial melting of hydrous metabasaltic rocks transformed into garnet-bearing amphibolite or eclogite
, under a variety of fluid conditions (Sen & Dunn 1994; Zamora 2000).
3-D X-ray tomography of diamondiferous mantle eclogite
xenoliths, Siberia: A review.
It may form carbonate eclogite
in the upper mantle and carbonate garnetite in the transition zone and uppermost lower mantle.
Thus, the Kaghan rocks may have undergone a history similar to that of the Swat rocks and may have already been buried, possibly to eclogite
facies, prior to India-Kohistan.
This recycled oceanic crust was present in the plume as eclogite
, a very dense rock that made the hot mantle plume less buoyant.
This increase in the 'orogenic' crust density can be related to the presence of eclogite
and is consistent with previous numerical modeling of orogens (e.
Further, Nordic Mining is undertaking large-scale project development at Engebo (Engebofjellet) in Sogn og Fjordane, western Norway, where it has rights to a substantial eclogite
deposit with rutile and garnet.
Early core drilling strongly suggested that the EJF Inner of ON-K120 was prospective for diamonds due to the abundance of eclogite
xenoliths and coarse kimberlite texture.