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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Congo Craton (1)
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East Africa
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Zambia (1)
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Southern Africa
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Kalahari Craton (1)
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Antarctica
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East Antarctica (1)
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Asia
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Far East
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China
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Fujian China (1)
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Zhejiang China (1)
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Indian Peninsula
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India
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Dharwar Craton (1)
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Ghats
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Eastern Ghats (1)
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Southern Granulite Terrain (1)
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Australasia
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Australia
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Broken Hill Block (1)
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Curnamona Province (2)
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New South Wales Australia (1)
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South Australia
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Olary Domain (1)
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Europe
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Western Europe
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Scandinavia
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Norway
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United Kingdom
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Great Britain
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elements, isotopes
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hydrogen
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D/H (1)
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isotope ratios (3)
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isotopes
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stable isotopes
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D/H (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (1)
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Sr-87/Sr-86 (1)
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Lu/Hf (1)
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metals
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (1)
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hafnium
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Hf-177/Hf-176 (1)
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lead (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (1)
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oxygen
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O-18/O-16 (1)
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geochronology methods
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Lu/Hf (1)
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Sm/Nd (1)
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geologic age
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Paleozoic
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Precambrian
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upper Precambrian
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Neoproterozoic (3)
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igneous rocks
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igneous rocks
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plutonic rocks
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granites
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monzogranite (1)
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volcanic rocks
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basalts
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mid-ocean ridge basalts (1)
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metamorphic rocks
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gneisses
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orthogneiss (2)
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minerals
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rutile (1)
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silicates
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orthosilicates
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nesosilicates
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garnet group (3)
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zircon group
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zircon (6)
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sorosilicates
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epidote group
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epidote (1)
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zoisite (1)
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sheet silicates
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mica group (1)
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Primary terms
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absolute age (7)
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Africa
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Congo Craton (1)
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East Africa
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Zambia (1)
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Southern Africa
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Kalahari Craton (1)
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-
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Antarctica
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East Antarctica (1)
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Asia
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Far East
-
China
-
Fujian China (1)
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Zhejiang China (1)
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-
-
Indian Peninsula
-
India
-
Dharwar Craton (1)
-
Ghats
-
Eastern Ghats (1)
-
-
Southern Granulite Terrain (1)
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-
-
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Australasia
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Australia
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Broken Hill Block (1)
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Curnamona Province (2)
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New South Wales Australia (1)
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South Australia
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Olary Domain (1)
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crust (3)
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deformation (2)
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Europe
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Western Europe
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Scandinavia
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Norway
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Bergen Norway (1)
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United Kingdom
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Great Britain
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Scotland (1)
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faults (3)
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geochemistry (3)
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geochronology (1)
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heat flow (1)
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hydrogen
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D/H (1)
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igneous rocks
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plutonic rocks
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granites
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monzogranite (1)
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-
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volcanic rocks
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basalts
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mid-ocean ridge basalts (1)
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-
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inclusions (1)
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isotopes
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stable isotopes
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D/H (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (1)
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Sr-87/Sr-86 (1)
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magmas (2)
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mantle (1)
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metals
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (1)
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-
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hafnium
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Hf-177/Hf-176 (1)
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lead (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (1)
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-
-
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metamorphic rocks
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gneisses
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orthogneiss (2)
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tonalite gneiss (1)
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granulites (1)
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metasedimentary rocks
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metapelite (1)
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quartzites (1)
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metamorphism (7)
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orogeny (1)
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oxygen
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O-18/O-16 (1)
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paleogeography (1)
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Paleozoic
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Cambrian (3)
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Devonian (1)
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lower Paleozoic (1)
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Ordovician (1)
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Silurian (1)
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phase equilibria (1)
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Precambrian
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Archean
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Napier Complex (1)
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Neoarchean (1)
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upper Precambrian
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Proterozoic
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Lewisian (1)
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Mesoproterozoic (2)
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Neoproterozoic (3)
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Paleoproterozoic (1)
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tectonics (3)
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Crystal plasticity enhances trace element mobility in garnet
Persistence of melt-bearing Archean lower crust for >200 m.y.—An example from the Lewisian Complex, northwest Scotland
Age, origin and palaeogeography of the Southern Irumide Belt, Zambia
Phase Relations, Reaction Sequences and Petrochronology
The Rauer–Rengali connection in the Indo-Antarctica amalgam: evidence from structure, metamorphism and geochronology
Abstract India and East Antarctica collided during assembly of the Rodinia supercontinent at around 1 Ga. Granulites related to this orogeny are exposed in the Eastern Ghats Province (EGP) in India, and these are believed to have been contiguous with granulites of the Rayner Province in East Antarctica at that time. In the Indian segment, we describe a shear zone between the EGP and the Rengali Province to its north along which strongly foliated bands of garnetiferous quartzofeldspathic gneisses, khondalites and charnockites are intercalated. The foliation is consistently east–west trending and subvertical, with downdip intersection lineations. Maximum asymmetry in horizontal sections and textural analysis using electron backscattered diffraction (EBSD) analysis confirm that the transport vector during shearing was horizontal. The shear zone is interpreted as a dextral strike-slip fault that operated under greenschist-facies conditions, juxtaposing 1 Ga EGP granulites with 2.8 Ga cratonic granulites to the north. The corresponding region in East Antarctica is represented by the Rauer Group, where intercalations between 2.8 and 1.0 Ga, vertically orientated lithologies, are observed alongside 0.5 Ga shear zones. These features in the Rauer Group can be correlated with those in the Rengali Province, further supporting existing palaeogeographical reconstructions of Gondwana.