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中国地质大学科学技术发展院靳晓野, 李建威等, 资源学院/GPMR国家重点实验室. Economic Geology, 2021, Calcite U-Pb dating unravels the age and hydrothermal history of the giant Shuiyindong Carlin-type gold deposit in the Golden Triangle, South China
放射性；同位素；实验室；卡林型；金矿床
2021/10/14
近日，矿床学领域权威期刊《Economic Geology》刊发我校资源学院和GPMR国家重点实验室李建威教授团队和昆士兰大学放射性同位素实验室合作的研究成果——首次利用LA-(MC)-ICPMS方解石U-Pb测年法精确确定了卡林型金矿床的形成时代。这是该团队继卡林型金矿成矿流体来源与演化示踪研究“Noble gases fingerprint the source and evolution o...
World's oldest DNA reveals how ice age mammoths evolved（图）
World oldest DNA ice age mammoths evolved
2021/3/5
An international research team has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old. The results are published in the journal Nature.The analyses,...
Zircon U-Pb age, Trace Element, and Hf Isotopic Compositions of Nordmarkite in the Lizhuang Rare Earth Element Deposit in the Western Margin of the Yangtze Block
nordmarkite REE deposit Hf isotopic characteristics of zircon Lizhuang
2018/4/10
The Mianning–Dechang (MD) rare earth element (REE) belt, located in the northern Kangdian axis (KDA) in the western margin of the Yangtze platform, is one of the most economically significant REE mine...
Geochemistry and zircon U–Pb age of subvolcanic rocks in Dajing deposit, NE China: Geodynamic implications
Dajing deposit subvolcanic rocks U–Pb dating geochemistry
2017/4/11
The Dajing deposit is a large-scale vein-type polymetallic Sn deposit in the southern Great Xing’an Range of Northeast
China. This study presents new geochronological and geochemical data for subvolc...
Prized fossil find illuminates the lives of lizards in the Age of Dinosaurs
illuminates the lives lizards Age of Dinosaurs
2017/2/16
Paleontologists picking through a bounty of fossils from Montana have discovered something unexpected — a new species of lizard from the late dinosaur era, whose closest relatives roamed in faraw...
Shift in weaning age supports hunting-induced extinction of Siberian woolly mammoths（图）
weaning age hunting-induced extinction Siberian woolly mammoths
2015/11/12
Chemical clues about weaning age embedded in the tusks of juvenile Siberian woolly mammoths suggest that hunting, rather than climate change, was the primary cause of the elephant-like animal's extinc...
Petrological vestiges of the Late Jurassic–Early Cretaceous transition from rift to back-arc basin in southernmost Chile: New age and geochemical data from the Capitán Aracena, Carlos III, and Tortuga ophiolitic complexes
Rocas Verdes ophiolites rift to back-arc basin transition U–Pb dating geochemistry mineral chemistry microbes
2017/4/11
The ophiolitic remnants of the Upper Mesozoic Rocas Verdes basin in southernmost South America were studied from
the perspectives of petrography, chemistry of minerals, bulk-rock geochemistry, and U–...
U–Pb zircon age, geochemical, and Sr–Nd isotopic constraints on the age and origin of granodiorite porphyries in the Guilong area, southern Yunnan Province, South China
granodiorite porphyries U–Pb age-dating origin southern Yunnan Province South China
2017/4/11
Associated with several important polymetallic mineral deposits, the origin of the investigated Guilong area granodiorite
porphyries (southern Yunnan Province) are presently poorly understood. For th...
The Paleotopography Reconstruction of late Cretaceous Dabie Orogen by Low-Temperature Thermochronological Age-Elevation Relationships
Dabie Orogen Low-Temperature Thermochronology Paleotopography
2011/12/20
The paleotopography reconstruction of orogen has an important research value on the study of mountain building and the study of orogen’s regional control over the paleoclimate change. Considering the ...
Gleysols on sandy deposits of the Litorina Sea underlain by Histosol formations of Ancylus Lake age in western Estonia
Gleysols on aqueous deposits Holocene pedogenesis
2009/10/21
Two bisequal Gleysol profiles were studied in western Estonia to characterize pedogenetic features on aqueous sediments of the Litorina Sea and Ancylus Lake in similar topographical and geological sit...
Geochemistry and age of groundwater in a hydrochemically diversified aquifer (Permo-Carboniferous, the Intra-Sudetic Synclinorium, SW Poland) derived from geochemical modelling and isotopic studies
Groundwater geochemistry Geochemical modelling Dedolomitization Groundwater mixing
2009/10/20
Dobrzyński, D. 2009. Geochemistry and age of groundwater in a hydrochemically diversified aquifer (Permo-Carboniferous, the Intra-Sudetic Synclinorium, SW Poland) derived from geochemical modelling an...
Grain size effect on Sr and Nd isotopic compositions in eolian dust: Implications for tracing dust provenance and Nd model age
eolian dust Sr and Nd isotope Nd model age grain size effect isotopic tracing
2017/8/9
Strontium (Sr) and neodymium (Nd) isotopic compositions enable identification of dust sources and reconstruction of atmospheric dispersal pathways. The Sr and Nd isotopic compositions in eolian dust c...
Age and Thickness of the Lithosphere within the Western and Eastern Basins of the Black Sea according to Geophysical Data
Black Sea heat flow sea floor age surface waves lithosphere thickness
2009/7/8
The ages of the western and eastern basins of the Black Sea have been estimated on the basis of heat-flow data. The obtained ages (70-60 Ma) are in good accord with the time of basins' origin as deter...
Petrology and 40Ar-39Ar Age of the Bimodal Orduzu Volcanics (Malatya) from the Western end of the Eastern Anatolian Neogene Volcanism, Turkey
petrology Ar-Ar dating Neogene volcanism Malatya Eastern Anatolia Turkey
2009/7/7
The Orduzu volcanics, which are part of the Yamadağ volcanics in the Malatya region, include rhyolite, rhyolitic dykes, trachyandesite and basaltic trachyandesitic dykes. Mafic globular occurrenc...
Ankara Orogenic Phase, Its Age and Transition From Thrusting-dominated Paleotectonic Period to the Strike-slip Neotectonic Period, Ankara (Turkey)
fold imbricate reverse fault strike-slip fault suture zone Ankara orogenic phase Turkey
2009/7/7
The Ankara section of the İzmir-Ankara-Erzincan Suture Zone (IAESZ) is characterized by two major groups of contractional structures, namely the Ankara forced folds-monoclines and the southward-...