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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Namib Desert (1)
-
Southern Africa
-
Botswana (1)
-
Kaapvaal Craton (1)
-
Karoo Basin (2)
-
South Africa
-
Bushveld Complex (2)
-
Cape Province region (1)
-
Merensky Reef (2)
-
Northern Cape Province South Africa
-
Kimberley South Africa (1)
-
-
Vaal River (1)
-
Western Cape Province South Africa (1)
-
-
-
-
Alpine Fault (2)
-
American River (1)
-
Antarctica
-
Antarctic ice sheet (2)
-
Transantarctic Mountains (1)
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Victoria Land
-
Allan Hills (1)
-
-
-
Arctic Ocean
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Beaufort Sea (1)
-
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Asia
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Arabian Peninsula
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Saudi Arabia
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Jeddah Saudi Arabia (1)
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Brahmaputra River (1)
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Chukotka Russian Federation (1)
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Far East
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China
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Japan
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Atlantic Ocean
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Central America
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East Pacific Ocean Islands
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Europe
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Oceania
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Polynesia
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Pacific Ocean
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commodities
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placers (3)
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elements, isotopes
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isotope ratios (4)
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isotopes
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stable isotopes
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metals
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oxygen
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Mammalia
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Reptilia
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Synapsida
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ichnofossils (1)
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Invertebrata
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Cirripedia (2)
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Protista
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Foraminifera
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microfossils
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Conodonta (1)
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Plantae
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algae
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calcareous algae (1)
-
Chlorophyta
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Chlorophyceae
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geochronology methods
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(U-Th)/He (2)
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radiation damage (1)
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Th/U (1)
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thermochronology (1)
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U/Pb (4)
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uranium disequilibrium (1)
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geologic age
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Cenozoic
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Quaternary
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Pleistocene
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upper Quaternary (1)
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Tertiary
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lower Tertiary (1)
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middle Tertiary (1)
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lower Miocene
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Paleogene
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Upper Cretaceous
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-
upper Campanian (1)
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Jurassic
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Paleozoic
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Middle Cambrian
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Flathead Sandstone (1)
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Carboniferous
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Lower Mississippian
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-
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Mattoon Formation (1)
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Upper Carboniferous (2)
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middle Paleozoic (1)
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upper Paleozoic
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Precambrian
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upper Precambrian
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Proterozoic
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-
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Paleoproterozoic
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Ventersdorp Supergroup (1)
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igneous rocks
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igneous rocks
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kimberlite (3)
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volcanic rocks
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metamorphic rocks
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metaigneous rocks
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rutile (2)
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framework silicates
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silica minerals
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quartz (7)
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-
-
orthosilicates
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nesosilicates
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garnet group
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-
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olivine group
-
olivine (1)
-
-
zircon group
-
zircon (4)
-
-
-
-
sheet silicates
-
clay minerals
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halloysite (1)
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kaolinite (2)
-
smectite (1)
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illite (1)
-
-
-
sulfates (1)
-
sulfides
-
pyrite (1)
-
pyrrhotite (1)
-
-
-
Primary terms
-
absolute age (10)
-
Africa
-
Namib Desert (1)
-
Southern Africa
-
Botswana (1)
-
Kaapvaal Craton (1)
-
Karoo Basin (2)
-
South Africa
-
Bushveld Complex (2)
-
Cape Province region (1)
-
Merensky Reef (2)
-
Northern Cape Province South Africa
-
Kimberley South Africa (1)
-
-
Vaal River (1)
-
Western Cape Province South Africa (1)
-
-
-
-
Antarctica
-
Antarctic ice sheet (2)
-
Transantarctic Mountains (1)
-
Victoria Land
-
Allan Hills (1)
-
-
-
Arctic Ocean
-
Beaufort Sea (1)
-
-
Asia
-
Arabian Peninsula
-
Saudi Arabia
-
Hejaz Saudi Arabia
-
Jeddah Saudi Arabia (1)
-
-
-
-
Brahmaputra River (1)
-
Chukotka Russian Federation (1)
-
Far East
-
China
-
Sichuan China (1)
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Xizang China (1)
-
Yunnan China (1)
-
-
Japan
-
Honshu (1)
-
Ryukyu Islands
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-
-
-
Taiwan (1)
-
-
Himalayas (4)
-
Indian Peninsula
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-
Nepal (2)
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Pakistan (1)
-
-
Middle East
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Syria (1)
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-
Popigay Structure (1)
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Russian Far East (1)
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Siberian Platform (1)
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Siwalik Range (1)
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Yakutia Russian Federation (1)
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asteroids (1)
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Atlantic Ocean
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North Atlantic
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Caribbean Sea (2)
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South Atlantic
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atmosphere (1)
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Yukon Territory
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-
-
-
-
carbon
-
C-13/C-12 (2)
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C-14 (2)
-
organic carbon (1)
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
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Jamaica
-
Discovery Bay Jamaica (2)
-
-
-
-
Bahamas (4)
-
-
-
Cenozoic
-
Quaternary
-
Cordilleran ice sheet (1)
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Holocene
-
upper Holocene (2)
-
-
Pleistocene
-
upper Pleistocene (1)
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upper Quaternary (1)
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Tertiary
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Arikaree Group (1)
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lower Tertiary (1)
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middle Tertiary (1)
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Neogene
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Miocene
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lower Miocene
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upper Miocene (1)
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Paleogene
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Eocene (2)
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Paleocene (1)
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-
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Central America
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Belize (1)
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Costa Rica
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Nicoya Peninsula (1)
-
-
Guatemala (1)
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-
Chordata
-
Vertebrata
-
Pisces
-
Chondrichthyes
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Elasmobranchii (2)
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Holocephali (1)
-
-
Osteichthyes
-
Actinopterygii (1)
-
-
-
Tetrapoda
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Aves (1)
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Mammalia
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Theria
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Eutheria
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Artiodactyla (1)
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Carnivora (1)
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Perissodactyla
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Ceratomorpha
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Hippomorpha
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Equidae (1)
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Rodentia (1)
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Reptilia
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Diapsida
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Archosauria
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Crocodilia (1)
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abrasion
Reply to discussion on ‘Predicting tunnel-boring machine penetration rate utilizing geomechanical properties’ by Karrari et al. 2022 ( QJEGH , 55, qjegh2021-126)
High-Precision CA-ID-TIMS U-Pb Zircon Geochronology of Felsic Rocks in the Finlayson Lake VMS District, Yukon: Linking Paleozoic Basin-Scale Accumulation Rates to the Occurrence of Subseafloor Replacement-Style Mineralization
TAPHOGRAPH: A SPREADSHEET METHOD TO GRAPHICALLY CHARACTERIZE THE TAPHONOMY OF SKELETAL PARTICLES
(U-Th)/He chronology: Part 2. Considerations for evaluating, integrating, and interpreting conventional individual aliquot data
Taphonomy of a monodominant Gryposaurus sp. bonebed from the Oldman Formation (Campanian) of Alberta, Canada
TAPHONOMY AND DEPOSITIONAL SETTING OF THE SHRINGASAURUS INDICUS (ARCHOSAUROMORPHA: ALLOKOTOSAURIA) BONEBED FROM THE MIDDLE TRIASSIC DENWA FORMATION, SATPURA GONDWANA BASIN, INDIA
VERTEBRATE TAPHONOMY OF TWO UPPER MIOCENE BONEBEDS IN WESTERN PROTO-AMAZONIA (SOLIMÕES FORMATION, BRAZIL): INSIGHTS FROM MACROVERTEBRATE AND MICROVERTEBRATE FOSSILS
The relationship between strength and abrasion characterizations in granite building stones
Terreneuvian bio- and chemostratigraphy of the South Sichuan Region (South China)
Controls on subglacial bedrock erosion and morphology near Drumnadrochit, Scotland
Abrasion regimes in fluvial bedrock incision
Hybrid nanocomposites of elastomeric polyurethane containing halloysite nanotubes and POSS nanoparticles: tensile, hardness, damping and abrasion performance
COMPARATIVE TAPHONOMY OF DEEP-SEA AND SHALLOW-MARINE ECHINOIDS OF THE GENUS ECHINOCYAMUS
A test of the efficacy of sand saltation for silt production: Implications for the interpretation of loess
Experimental quantification of bedrock abrasion under oscillatory flow
Evaluation of the weatherability of andesite aggregates in road pavements
Conglomerate recycling in the Himalayan foreland basin: Implications for grain size and provenance
Entrainment and abrasion of megaclasts during submarine landsliding and their impact on flow behaviour
Abstract Many mass transport complexes (MTCs) contain up to kilometre-scale (mega)clasts encased in a debritic matrix. Although many megaclasts are sourced from the headwall areas, the irregular basal shear surfaces of many MTCs indicate that megaclast entrainment during the passage of flows into the deeper basin is also common. However, the mechanisms responsible for the entrainment of large blocks of substrate, and their influence on the longitudinal behaviour of the associated flows, have not been widely considered. We present examples of megaclasts from exhumed MTCs (the Neuquén Basin, Argentina and the Karoo Basin, South Africa) and MTCs imaged in three-dimensional seismic reflection data (Magdalena Fan, offshore Colombia and Santos Basin, offshore Brazil) to investigate these process–product interactions. We show that highly sheared basal surfaces are well developed in distal locations, sometimes extending beyond their associated deposit. This points to deformation and weakening of the substrate ahead of the flow, suggesting that preconditioning of the substrate by distributed shear ahead of, and to the side of, a mass flow could result in the entrainment of large fragments. An improved understanding of the interactions between flow evolution, seabed topography, and the entrainment and abrasion of megaclasts will help to refine estimates of run-out distances, and therefore the geohazard potential of submarine landslides.