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GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Congo (1)
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Congo Democratic Republic (1)
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Congo Craton (3)
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Southern Africa
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Orange River (2)
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South Africa
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Northern Cape Province South Africa (1)
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Asia
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Far East
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Japan
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Honshu
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Australasia
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oxygen
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Invertebrata
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Primary terms
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absolute age (11)
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Africa
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Central Africa
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Congo (1)
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Congo Craton (3)
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Southern Africa
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Botswana (1)
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Namibia
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Damara Belt (4)
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Kaoko Belt (5)
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Orange River (2)
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South Africa
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Cape Province region (2)
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Eastern Cape Province South Africa
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Cape Town South Africa (1)
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Northern Cape Province South Africa (1)
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Asia
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Far East
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Japan
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Honshu
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Hida metamorphic belt (1)
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Atlantic Ocean
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South Atlantic
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Walvis Ridge (1)
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Australasia
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Australia
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Lachlan fold belt (1)
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New South Wales Australia (1)
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Queensland Australia
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Mount Isa Inlier (1)
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New Zealand (1)
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barite deposits (1)
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carbon
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Cenozoic
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Tertiary (1)
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continental drift (3)
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crust (4)
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crystal chemistry (2)
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Deep Sea Drilling Project
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IPOD
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Leg 74
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DSDP Site 525 (1)
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deformation (7)
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economic geology (2)
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faults (10)
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igneous rocks
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carbonatites (1)
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plutonic rocks
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granites
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S-type granites (2)
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pegmatite (3)
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ultramafics
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peridotites
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harzburgite (2)
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lherzolite (2)
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volcanic rocks
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basalts
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flood basalts (1)
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nephelinite (1)
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pyroclastics
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ignimbrite (1)
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Invertebrata
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Jurassic
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Clarens Formation (1)
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metal ores
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base metals (2)
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copper ores (5)
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manganese ores (3)
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silver ores (4)
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zinc ores (7)
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metals
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alkali metals
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lithium (1)
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alkaline earth metals
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Sr-87/Sr-86 (3)
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rare earths
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cerium (1)
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neodymium
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Nd-144/Nd-143 (1)
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metamorphic rocks
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amphibolites (1)
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metaigneous rocks (1)
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palynomorphs
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Precambrian
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upper Precambrian
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Damara System (34)
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GeoRef Categories
Era and Period
Epoch and Age
Date
Availability
Damara System
On the kinematics and timing of Rodinia breakup: a possible rift–transform junction of Cryogenian age at the southwest cape of Congo Craton (northwest Namibia) Available to Purchase
Mineralogy and Geochemistry of the Erongo Sub-Volcanic Granite-Miarolitic-Pegmatite Complex, Erongo, Namibia Available to Purchase
Provenance of the Neoproterozoic deep-water Zerrissene Group of the Damara Orogen, Namibia, and paleogeographic implications for the closing of the Adamastor Ocean and assembly of the Gondwana supercontinent Available to Purchase
Sedimentology and chemostratigraphy of the late Neoproterozoic carbonate ramp sequences of the Hüttenberg Formation (northwestern Namibia) and the C5 Formation (western central Democratic Republic of Congo): Record of the late post-Marinoan marine transgression on the margin of the Congo Craton Available to Purchase
NEGATIVE CERIUM ANOMALY IN SPESSARTINE GARNET FROM A BARITE-RICH ROCK, OTJOSONDU FERROMANGANESE DEPOSIT, NAMIBIA: THE FINGERPRINT OF OXIC SEA WATER Available to Purchase
The Kalahari Copperbelt in Central Namibia: Controls on Copper Mineralization Available to Purchase
GEOCHEMICAL AND MINERALOGICAL CONSTRAINTS ON THE GENESIS OF THE OTJOSONDU FERROMANGANESE DEPOSIT, NAMIBIA: HYDROTHERMAL EXHALATIVE VERSUS HYDROGENETIC (INCLUDING SNOWBALL-EARTH) ORIGINS Available to Purchase
Micas of the muscovite – lepidolite series from Karibib pegmatites, Namibia Available to Purchase
Continental growth and recycling by accretion of deformed turbidite fans and remnant ocean basins: Examples from Neoproterozoic and Phanerozoic orogens Available to Purchase
Convergent margin tectonic settings involving accretion of large turbidite fans represent important sites of growth and regeneration of continental crust. The newly accreted continental crust consists of an upper crustal layer of recycled crustal detritus (turbidites) underlain by a lower crustal layer of tectonically imbricated oceanic crust, and/or rifted and thinned continental crust, along with underplated magmatic materials; the new lower crust represents additions to continental crustal volume differentiated from the mantle. This two-tiered crust is of average continental crustal thickness and is isostatically balanced near sea level, resulting in remarkable stability. The Paleozoic Tasman orogen of eastern Australia is the archetypal example of this style of orogeny, representing continental growth rates of cubic kilometers per year of material that does not return to the mantle by oceanic plate-tectonic recycling. The Neoproterozoic Pan-African Damara orogen of SW Africa is a similar orogen, whereas the Mesozoic Rangitatan orogen or Rakaia wedge of New Zealand illustrates the transition of the convergent margin from a Lachlan-type to more recognizable “ring of fire”-type orogen. These orogens illustrate continental growth from the shortening of deep marine successions and their oceanic crustal basement involving subduction-accretion. The spatial and temporal variations in deformation, metamorphism, and magmatism across these orogens illustrate how large volumes of monotonous turbidites and their relict oceanic basement eventually become stable continental crust. The timing of deformation and metamorphism reflect the crustal thickening phase, whereas the posttectonic granitoids and surficial volcanic deposits give the timing of cratonization. The turbidites represent fertile sources for crustal melting and are the main sources for the S-type granites.