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Lava lamp tectonics: Research suggests giant blobs of subducted sediment float up through deep Earth
lava lamp structure subduction sediment earthcrust
2021/8/6
Sand and mud subducted off the coast of California around 75 million years ago returned to the Earth's crust by rising up through the mantle as enormous diapirs, like blobs in a lava lamp, new researc...
中国地质大学科学技术发展院左仁广等 GPMR国家重点实验室. Earth-Science Reviews, May 2019, Deep learning and its application in geochemical mapping
多源；地学空间；数据；挖掘；研究热点；前沿
2021/10/20
近日，中国地质大学地质过程与矿产资源国家重点实验左仁广教授团队的最新研究成果在Earth-Science Reviews刊 发——Deep learning and its application in geochemical mapping。论文第一和通讯作者为左仁广教授。
Analysis of the Gouldsboro Pluton and the Fehr Granite: Understanding the Scales of Magmatic Processes and Partial Melt Generation from the Deep to Shallow Crust
anatexis bimodalism deep crust granite microprobe migmatites
2014/10/22
The heterogeneity of the continental crust has a first order control on the dynamics of plate tectonic processes and the compositions of the Earth in both time and space. Heterogeneity can be characte...
Imaging the Deep Structure of the Central DeathValley Basin Using Receiver Function, Gravity,and Magnetic Data
Bright Spot Crustal Models Data Incorporation Death Valley Magmatic Underplating
2013/3/7
We use receiver function, gravity, and magnetic data to image the deep structures of central Death Valley. Receiver function analysis suggests the Moho is 24 km deep in the central part of the basin a...
Deep-Sea Benthic Foraminiferal Distribution in South West Indian Ocean: Implications to Paleoecology
Paleoecology Benthicforaminifera Holocene Indian Ocean
2013/3/6
Five grab samples from the southwestern part of the Indian ocean were collected by ORV Sagar Kanya during the third expedition to the southern Indian ocean in June 2009. The sediment samples have been...
Synoptic and dynamic characteristics of selected deep depressions over Cyprus
Synoptic dynamic characteristics
2010/1/27
In this study, the spatial and temporal distributions of dynamic and synoptic characteristics of a selection of 32 deep baroclinic depressions have been investigated. The study covers the cold period ...
Dealing with uncertainty:turbulent parameterizations and grid-spacing effects in numerical modelling of deep moist convective processes
turbulent parameterizations grid-spacing effects deep moist convective processes
2009/12/10
Computer power has grown to the point that very-fine-mesh mesoscale modelling is now possible. Going down through scales is clumsily supposed to reduce uncertainty and to improve the predictive abilit...
From rifting to drifting:effects on the development of deep-water hydrocarbon reservoirs in a passive margin setting,Norwegian Sea
deep-water hydrocarbon reservoirs passive margin setting Norwegian Sea
2009/12/3
The Cretaceous to Eocene deep-water hydrocarbon reservoirs in the Norwegian Sea were deposited during four main tectonic stages from continental rifting to oceanic drift: 1) Late Jurassic/Early Cretac...
Deep-water sedimentary systems of Arctic and North Atlantic margins:An introduction
Deep-water sedimentary systems Arctic North Atlantic margins
2009/12/3
The conference "Deep-water sedimentary systems of Arctic and North Atlantic margins" held in Stavanger, Norway from October 18th - 20th 2004 illustrated the wide temporal and spatial variability of Up...
Multidisciplinary stratigraphy across the Permian-Triassic boundary in deep-water environment of the Dongpan section,south China
Multidisciplinary stratigraphy Permian-Triassic boundary deep-water environment
2009/12/3
Liuqiao area in south China is an ideal place for high-resolution definition of the deep-water Permian-Triassic boundary (PTB) and correlating deep-water and shallow marine PTB sequences. It contains ...
Depositional facies and reservoir quality of deep-marine sandstones in the Norwegian Sea
Depositional facies reservoir quality deep-marine sandstones Norwegian Sea
2009/12/3
During the Late Cretaceous and Early Paleocene, deep-water depositional systems deposited sandstones in the Norwegian Sea. The reservoir quality is variable and difficult to predict because of variati...
Aeromagnetic mapping of deep-weathered fracture zones in the Oslo Region–a new tool for improved planning of tunnels
Aeromagnetic mapping deep-weathered fracture zones Oslo Region planning of tunnels
2009/12/2
A new method referred to as the Amager Method (AeroMAgnetic and GEomorphological Relations) has been developed to map the occurrence of deep clay alteration in the bedrock of the Oslo Region. Rock ins...
Dealing with uncertainty: turbulent parameterizations and grid-spacing effects in numerical modelling of deep moist convective processes
turbulent parameterizations grid-spacing effects deep moist convective processes
2009/12/31
Computer power has grown to the point that very-fine-mesh mesoscale modelling is now possible. Going down through scales is clumsily supposed to reduce uncertainty and to improve the predictive abilit...
Oxygen penetration deep into the sediment of the South Pacific gyre
Oxygen penetration sediment South Pacific gyre
2010/1/20
Sediment oxygen concentration profiles and benthic microbial oxygen consumption rates were investigated during an IODP site survey in the South Pacific Gyre. Primary production, particle fluxes and se...
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologis...